SEC Info - Illumina, Inc. - ‘10-K’ for 1/2/22

SEC Info℠

Home

My Interests

Help

Please Sign In

Illumina, Inc. – ‘10-K’ for 1/2/22 – ‘JSON’

On: Friday, 2/18/22, at 3:11pm ET · For: 1/2/22 · Accession #: 1110803-22-13 · File #: 1-35406

Previous ‘10-K’: ‘10-K’ on 2/17/21 for 1/3/21 · Next: ‘10-K’ on 2/17/23 for 1/1/23 · Latest: ‘10-K’ on 2/16/24 for 12/31/23 · 46 References:

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/18/22  Illumina, Inc.                    10-K        1/02/22  108:15M

Annual Report — Form 10-K

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.59M 
 2: EX-21.1     Subsidiaries List                                   HTML     42K 
 3: EX-23.1     Consent of Expert or Counsel                        HTML     31K 
 4: EX-31.1     Certification -- §302 - SOA'02                      HTML     38K 
 5: EX-31.2     Certification -- §302 - SOA'02                      HTML     37K 
 6: EX-32.1     Certification -- §906 - SOA'02                      HTML     33K 
 7: EX-32.2     Certification -- §906 - SOA'02                      HTML     33K 
13: R1          Cover Page                                          HTML     95K 
14: R2          Audit Information                                   HTML     36K 
15: R3          Consolidated Balance Sheets                         HTML    138K 
16: R4          Consolidated Balance Sheets (Parenthetical)         HTML     51K 
17: R5          Consolidated Statements of Income                   HTML    143K 
18: R6          Consolidated Statements of Comprehensive Income     HTML     60K 
19: R7          Consolidated Statements of Stockholders' Equity     HTML     90K 
20: R8          Consolidated Statements of Cash Flows               HTML    156K 
21: R9          Organization and Significant Accounting Policies    HTML    106K 
22: R10         Revenue                                             HTML     81K 
23: R11         Investments and Fair Value Measurements             HTML    142K 
24: R12         Acquisitions, Goodwill and Intangible Assets        HTML    126K 
25: R13         Debt and Other Commitments                          HTML     95K 
26: R14         Stockholders' Equity                                HTML    137K 
27: R15         Supplemental Balance Sheet and Statement of Income  HTML     92K 
                Details                                                          
28: R16         Legal Proceedings                                   HTML     43K 
29: R17         Income Taxes                                        HTML    126K 
30: R18         Employee Benefit Plans                              HTML     36K 
31: R19         Segments and Geographic Data                        HTML     99K 
32: R20         Organization and Significant Accounting Policies    HTML    152K 
                (Policies)                                                       
33: R21         Organization and Significant Accounting Policies    HTML     59K 
                (Tables)                                                         
34: R22         Revenue (Tables)                                    HTML     75K 
35: R23         Investments and Fair Value Measurements (Tables)    HTML    128K 
36: R24         Acquisitions, Goodwill and Intangible Assets        HTML    123K 
                (Tables)                                                         
37: R25         Debt and Other Commitments (Tables)                 HTML     82K 
38: R26         Stockholders' Equity (Tables)                       HTML    188K 
39: R27         Supplemental Balance Sheet and Statement of Income  HTML    113K 
                Details (Tables)                                                 
40: R28         Income Taxes (Tables)                               HTML    127K 
41: R29         Segments and Geographic Data (Tables)               HTML     92K 
42: R30         Organization and Significant Accounting Policies -  HTML     50K 
                Narrative - Concentrations of Risk (Details)                     
43: R31         Organization and Significant Accounting Policies -  HTML     34K 
                Narrative - Revenue Recognition (Details)                        
44: R32         Organization and Significant Accounting Policies -  HTML     44K 
                Summary of Calculation of Weighted Average Shares                
                used to Calculate Basic and Diluted Earnings Per                 
                Share (Details)                                                  
45: R33         Organization and Significant Accounting Policies -  HTML     46K 
                Summary of Estimated Useful Lives of Major Classes               
                of Property and Equipment (Details)                              
46: R34         Organization and Significant Accounting Policies -  HTML     41K 
                Narrative - Leases (Details)                                     
47: R35         Organization and Significant Accounting Policies -  HTML     40K 
                Narrative - Derivatives (Details)                                
48: R36         Organization and Significant Accounting Policies -  HTML     39K 
                Narrative - Warranties (Details)                                 
49: R37         Organization and Significant Accounting Policies -  HTML     33K 
                Narrative - Share-Based Compensation (Details)                   
50: R38         Organization and Significant Accounting Policies -  HTML     33K 
                Narrative - Advertising Costs (Details)                          
51: R39         Organization and Significant Accounting Policies -  HTML     52K 
                Narrative - Recently Adopted Accounting Policies                 
                (Details)                                                        
52: R40         Revenue - Summary of Disaggregated Revenue          HTML     70K 
                (Details)                                                        
53: R41         Revenue - Remaining Performance Obligation          HTML     49K 
                (Details)                                                        
54: R42         Revenue - Narrative (Details)                       HTML     43K 
55: R43         Investments and Fair Value Measurements - Summary   HTML     47K 
                of Short-term Investments (Details)                              
56: R44         Investments and Fair Value Measurements -           HTML    182K 
                Narrative (Details)                                              
57: R45         Investments and Fair Value Measurements -           HTML     37K 
                Marketable Equity Securities (Details)                           
58: R46         Investments and Fair Value Measurements - Summary   HTML     97K 
                of Hierarchy??for Assets and Liabilities Measured                
                at Fair Value Recurring Basis (Details)                          
59: R47         Investments and Fair Value Measurements - Changes   HTML     53K 
                in Estimated Fair Value of Acquisition Related                   
                Contingent Consideration Liabilities (Details)                   
60: R48         Acquisitions, Goodwill and Intangible Assets -      HTML    153K 
                Narrative (Details)                                              
61: R49         Acquisitions, Goodwill and Intangible Assets -      HTML     46K 
                Summary of Total Purchase Price (Details)                        
62: R50         Acquisitions, Goodwill and Intangible Assets -      HTML     72K 
                Preliminary Fair Value of Assets Acquired and                    
                Liabilities Assumed (Details)                                    
63: R51         Acquisitions, Goodwill and Intangible Assets -      HTML     50K 
                Summary of Amount Assigned to Identifiable                       
                Intangible Assets (Details)                                      
64: R52         Acquisitions, Goodwill and Intangible Assets -      HTML     37K 
                Summary of Pro Forma Information (Details)                       
65: R53         Acquisitions, Goodwill and Intangible Assets -      HTML     39K 
                Summary of Changes in Goodwill (Details)                         
66: R54         Acquisitions, Goodwill and Intangible Assets -      HTML     68K 
                Summary of Identifiable Intangible Assets                        
                (Details)                                                        
67: R55         Acquisitions, Goodwill and Intangible Assets -      HTML     47K 
                Summary of Estimated Annual Amortization of                      
                Intangible Assets (Details)                                      
68: R56         Debt and Other Commitments - Summary of Debt        HTML     79K 
                Obligations (Details)                                            
69: R57         Debt and Other Commitments - Narrative (Details)    HTML    137K 
70: R58         Debt and Other Commitments - Summary of Debt        HTML     42K 
                Conversions (Details)                                            
71: R59         Debt and Other Commitments - Summary of Maturities  HTML     61K 
                of Operating Lease Liabilities (Details)                         
72: R60         Debt and Other Commitments - Summary of Lease       HTML     38K 
                Costs (Details)                                                  
73: R61         Stockholders' Equity - Narrative (Details)          HTML     35K 
74: R62         Stockholders' Equity - Narrative - Restricted       HTML     38K 
                Stock (Details)                                                  
75: R63         Stockholders' Equity - Summary of Restricted Stock  HTML     66K 
                Activity and Related Information (Details)                       
76: R64         Stockholders' Equity - Summary of Pre-tax           HTML     40K 
                Intrinsic Values and Total Fair Value of Vested                  
                Restricted Stock (Details)                                       
77: R65         Stockholders' Equity - Summary of Stock Option      HTML     61K 
                Activity Under all Stock Option Plans (Details)                  
78: R66         Stockholders' Equity - Narrative - Stock Options    HTML     47K 
                (Details)                                                        
79: R67         Stockholders' Equity - Narrative -                  HTML     55K 
                Liability-Classified Award (Details)                             
80: R68         Stockholders' Equity - Narrative - Employee Stock   HTML     43K 
                Purchase Plan (Details)                                          
81: R69         Stockholders' Equity - Narrative - Share            HTML     42K 
                Repurchases (Details)                                            
82: R70         Stockholders' Equity - Summary of Share-based       HTML     48K 
                Compensation Expense for all Stock Awards                        
                (Details)                                                        
83: R71         Stockholders' Equity - Narrative- Share-based       HTML     65K 
                Compensation (Details)                                           
84: R72         Stockholders' Equity - Summary of Assumptions used  HTML     60K 
                to Estimate the Weighted-Average Fair Value Per                  
                Share for Stock Purchase under the Employee Stock                
                Purchase Plan (Details)                                          
85: R73         Supplemental Balance Sheet and Statement of Income  HTML     39K 
                Details - Summary of Accounts Receivable (Details)               
86: R74         Supplemental Balance Sheet and Statement of Income  HTML     41K 
                Details - Summary of Inventory (Details)                         
87: R75         Supplemental Balance Sheet and Statement of Income  HTML     53K 
                Details - Summary of Property and Equipment                      
                (Details)                                                        
88: R76         Supplemental Balance Sheet and Statement of Income  HTML     34K 
                Details - Narrative - Property and Equipment                     
                (Details)                                                        
89: R77         Supplemental Balance Sheet and Statement of Income  HTML     50K 
                Details - Summary of Accrued Liabilities (Details)               
90: R78         Supplemental Balance Sheet and Statement of Income  HTML     39K 
                Details - Summary of Changes in Reserve for                      
                Product Warranties (Details)                                     
91: R79         Supplemental Balance Sheet and Statement of Income  HTML     47K 
                Details - Other Income, Net (Details)                            
92: R80         Legal Proceedings (Details)                         HTML     37K 
93: R81         Income Taxes - Summary of Income (Loss) Before      HTML     41K 
                Income Taxes by Region (Details)                                 
94: R82         Income Taxes - Summary of Provision for Income      HTML     59K 
                Taxes (Details)                                                  
95: R83         Income Taxes - Summary of Reconciliation of         HTML     62K 
                Provision for Income Taxes to Amount Computed by                 
                Applying the Federal Statutory Rate (Details)                    
96: R84         Income Taxes - Narrative (Details)                  HTML     68K 
97: R85         Income Taxes - Summary of Significant Components    HTML     74K 
                of Deferred Tax Assets and Liabilities (Details)                 
98: R86         Income Taxes - Summary of the Gross Amount of       HTML     43K 
                Uncertain Tax Positions (Details)                                
99: R87         Employee Benefit Plans (Details)                    HTML     51K 
100: R88         Segments and Geographic Data - Narrative (Details)  HTML     33K  
101: R89         Segments and Geographic Data - Summary of           HTML     70K  
                Operating Performance and Assets by Segment                      
                (Details)                                                        
102: R90         Segments and Geographic Data - Summary of Net       HTML     42K  
                Long-lived Assets Consisting of Property and                     
                Equipment (Details)                                              
103: R9999       Uncategorized Items - ilmn-20220102.htm             HTML     49K  
106: XML         IDEA XML File -- Filing Summary                      XML    203K  
104: XML         XBRL Instance -- ilmn-20220102_htm                   XML   3.58M  
105: EXCEL       IDEA Workbook of Financial Reports                  XLSX    154K  
 9: EX-101.CAL  XBRL Calculations -- ilmn-20220102_cal               XML    335K 
10: EX-101.DEF  XBRL Definitions -- ilmn-20220102_def                XML   1.07M 
11: EX-101.LAB  XBRL Labels -- ilmn-20220102_lab                     XML   2.55M 
12: EX-101.PRE  XBRL Presentations -- ilmn-20220102_pre              XML   1.60M 
 8: EX-101.SCH  XBRL Schema -- ilmn-20220102                         XSD    233K 
107: JSON        XBRL Instance as JSON Data -- MetaLinks              614±   933K  
108: ZIP         XBRL Zipped Folder -- 0001110803-22-000013-xbrl      Zip    912K

‘JSON’ — XBRL Instance as JSON Data — MetaLinks

This File is an XBRL Instance as JavaScript Object Notation (JSON) Data.

{
"instance":  {
    "ilmn-20220102.htm":  {
        "axisCustom":  1,
        "axisStandard":  41,
        "contextCount":  435,
        "dts":  {
            "calculationLink":  {
                "local":  [
                    "ilmn-20220102_cal.xml"
                    ]
                },
            "definitionLink":  {
                "local":  [
                    "ilmn-20220102_def.xml"
                    ]
                },
            "inline":  {
                "local":  [
                    "ilmn-20220102.htm"
                    ]
                },
            "labelLink":  {
                "local":  [
                    "ilmn-20220102_lab.xml"
                    ]
                },
            "presentationLink":  {
                "local":  [
                    "ilmn-20220102_pre.xml"
                    ]
                },
            "schema":  {
                "local":  [
                    "ilmn-20220102.xsd"
                    ],
                "remote":  [
                    "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
                    "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
                    "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
                    "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
                    "http://www.xbrl.org/2005/xbrldt-2005.xsd",
                    "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
                    "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
                    "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
                    "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
                    "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
                    "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
                    "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd",
                    "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd",
                    "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd",
                    "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd",
                    "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd",
                    "https://xbrl.fasb.org/us-gaap/2021/elts/us-types-2021-01-31.xsd",
                    "https://xbrl.sec.gov/country/2021/country-2021.xsd",
                    "https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd"
                    ]
                }
            },
        "elementCount":  847,
        "entityCount":  1,
        "hidden":  {
            "http://fasb.org/us-gaap/2021-01-31":  4,
            "http://www.illumina.com/20220102":  2,
            "http://xbrl.sec.gov/dei/2021q4":  4,
            "total":  10
            },
        "keyCustom":  75,
        "keyStandard":  553,
        "memberCustom":  44,
        "memberStandard":  77,
        "nsprefix":  "ilmn",
        "nsuri":  "http://www.illumina.com/20220102",
        "report":  {
            "R1":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:DocumentType",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "document",
                "isDefault":  "true",
                "longName":  "0001001 - Document - Cover Page",
                "role":  "http://www.illumina.com/role/CoverPage",
                "shortName":  "Cover Page",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:DocumentType",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R10":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2114102 - Disclosure - Revenue",
                "role":  "http://www.illumina.com/role/Revenue",
                "shortName":  "Revenue",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R11":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FairValueDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2119103 - Disclosure - Investments and Fair Value Measurements",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurements",
                "shortName":  "Investments and Fair Value Measurements",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FairValueDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R12":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2126104 - Disclosure - Acquisitions, Goodwill and Intangible Assets",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssets",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R13":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2136105 - Disclosure - Debt and Other Commitments",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitments",
                "shortName":  "Debt and Other Commitments",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R14":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2143106 - Disclosure - Stockholders' Equity",
                "role":  "http://www.illumina.com/role/StockholdersEquity",
                "shortName":  "Stockholders' Equity",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R15":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2157107 - Disclosure - Supplemental Balance Sheet and Statement of Income Details",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R16":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LegalMattersAndContingenciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2166108 - Disclosure - Legal Proceedings",
                "role":  "http://www.illumina.com/role/LegalProceedings",
                "shortName":  "Legal Proceedings",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LegalMattersAndContingenciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R17":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2168109 - Disclosure - Income Taxes",
                "role":  "http://www.illumina.com/role/IncomeTaxes",
                "shortName":  "Income Taxes",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R18":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2176110 - Disclosure - Employee Benefit Plans",
                "role":  "http://www.illumina.com/role/EmployeeBenefitPlans",
                "shortName":  "Employee Benefit Plans",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R19":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SegmentReportingDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2178111 - Disclosure - Segments and Geographic Data",
                "role":  "http://www.illumina.com/role/SegmentsandGeographicData",
                "shortName":  "Segments and Geographic Data",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SegmentReportingDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R2":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:AuditorName",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "document",
                "isDefault":  "false",
                "longName":  "0002002 - Document - Audit Information",
                "role":  "http://www.illumina.com/role/AuditInformation",
                "shortName":  "Audit Information",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:AuditorName",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R20":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "div",
                        "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ConsolidationPolicyTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2202201 - Disclosure - Organization and Significant Accounting Policies (Policies)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies",
                "shortName":  "Organization and Significant Accounting Policies (Policies)",
                "subGroupType":  "policies",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "div",
                        "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ConsolidationPolicyTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R21":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2303301 - Disclosure - Organization and Significant Accounting Policies (Tables)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesTables",
                "shortName":  "Organization and Significant Accounting Policies (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R22":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DisaggregationOfRevenueTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2315302 - Disclosure - Revenue (Tables)",
                "role":  "http://www.illumina.com/role/RevenueTables",
                "shortName":  "Revenue (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DisaggregationOfRevenueTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R23":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2320303 - Disclosure - Investments and Fair Value Measurements (Tables)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsTables",
                "shortName":  "Investments and Fair Value Measurements (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R24":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2327304 - Disclosure - Acquisitions, Goodwill and Intangible Assets (Tables)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R25":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:DebtDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfDebtTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2337305 - Disclosure - Debt and Other Commitments (Tables)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsTables",
                "shortName":  "Debt and Other Commitments (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:DebtDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfDebtTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R26":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2344306 - Disclosure - Stockholders' Equity (Tables)",
                "role":  "http://www.illumina.com/role/StockholdersEquityTables",
                "shortName":  "Stockholders' Equity (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R27":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2358307 - Disclosure - Supplemental Balance Sheet and Statement of Income Details (Tables)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R28":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2369308 - Disclosure - Income Taxes (Tables)",
                "role":  "http://www.illumina.com/role/IncomeTaxesTables",
                "shortName":  "Income Taxes (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R29":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2379309 - Disclosure - Segments and Geographic Data (Tables)",
                "role":  "http://www.illumina.com/role/SegmentsandGeographicDataTables",
                "shortName":  "Segments and Geographic Data (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R3":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1001003 - Statement - Consolidated Balance Sheets",
                "role":  "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                "shortName":  "Consolidated Balance Sheets",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:ShortTermInvestments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R30":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ConcentrationRiskCreditRisk",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "idfd651ececf24159a335edde11d3d37d_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:ConcentrationRiskThreshold",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "number",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2404401 - Disclosure - Organization and Significant Accounting Policies - Narrative - Concentrations of Risk (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Concentrations of Risk (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ConcentrationRiskCreditRisk",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "idfd651ececf24159a335edde11d3d37d_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:ConcentrationRiskThreshold",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "number",
                    "xsiNil":  "false"
                    }
                },
            "R31":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:RevenueFromContractWithCustomerPolicyTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i62729ccbbfe541a0b1cd669082f42c03_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:RevenueFromContractWithCustomerPaymentTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2405402 - Disclosure - Organization and Significant Accounting Policies - Narrative - Revenue Recognition (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Revenue Recognition (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:RevenueFromContractWithCustomerPolicyTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i62729ccbbfe541a0b1cd669082f42c03_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:RevenueFromContractWithCustomerPaymentTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R32":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:WeightedAverageNumberOfSharesOutstandingBasic",
                    "reportCount":  1,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2406403 - Disclosure - Organization and Significant Accounting Policies - Summary of Calculation of Weighted Average Shares used to Calculate Basic and Diluted Earnings Per Share (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails",
                "shortName":  "Organization and Significant Accounting Policies - Summary of Calculation of Weighted Average Shares used to Calculate Basic and Diluted Earnings Per Share (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R33":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:PropertyPlantAndEquipmentTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i2a18c56b85e74b06911c9f4d12e30d3f_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentUsefulLife",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2407404 - Disclosure - Organization and Significant Accounting Policies - Summary of Estimated Useful Lives of Major Classes of Property and Equipment (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                "shortName":  "Organization and Significant Accounting Policies - Summary of Estimated Useful Lives of Major Classes of Property and Equipment (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:PropertyPlantAndEquipmentTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i2a18c56b85e74b06911c9f4d12e30d3f_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentUsefulLife",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R34":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:LesseeLeasesPolicyTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:LesseeOperatingLeaseArea",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "sqft",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2408405 - Disclosure - Organization and Significant Accounting Policies - Narrative - Leases (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Leases (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:LesseeLeasesPolicyTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:LesseeOperatingLeaseArea",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "sqft",
                    "xsiNil":  "false"
                    }
                },
            "R35":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DerivativeTermOfContract",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2409406 - Disclosure - Organization and Significant Accounting Policies - Narrative - Derivatives (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Derivatives (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DerivativeTermOfContract",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R36":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:StandardProductWarrantyPolicy",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "id31db8415abf408fb7c0a4c32e5160a7_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:StandardProductWarrantyDescriptionTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2410407 - Disclosure - Organization and Significant Accounting Policies - Narrative - Warranties (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Warranties (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:StandardProductWarrantyPolicy",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "id31db8415abf408fb7c0a4c32e5160a7_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:StandardProductWarrantyDescriptionTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R37":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
                    "reportCount":  1,
                    "unitRef":  "number",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2411408 - Disclosure - Organization and Significant Accounting Policies - Narrative - Share-Based Compensation (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeShareBasedCompensationDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Share-Based Compensation (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  null
                },
            "R38":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AdvertisingExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2412409 - Disclosure - Organization and Significant Accounting Policies - Narrative - Advertising Costs (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeAdvertisingCostsDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Advertising Costs (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AdvertisingExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R39":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RetainedEarningsAccumulatedDeficit",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2413410 - Disclosure - Organization and Significant Accounting Policies - Narrative - Recently Adopted Accounting Policies (Details)",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails",
                "shortName":  "Organization and Significant Accounting Policies - Narrative - Recently Adopted Accounting Policies (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i868fcad3954c46cbabe34bfbcb62b08c_I20181231",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:RetainedEarningsAccumulatedDeficit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R4":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:PreferredStockParOrStatedValuePerShare",
                        "span",
                        "div",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PreferredStockParOrStatedValuePerShare",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usdPerShare",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1002004 - Statement - Consolidated Balance Sheets (Parenthetical)",
                "role":  "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical",
                "shortName":  "Consolidated Balance Sheets (Parenthetical)",
                "subGroupType":  "parenthetical",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:PreferredStockParOrStatedValuePerShare",
                        "span",
                        "div",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PreferredStockParOrStatedValuePerShare",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usdPerShare",
                    "xsiNil":  "false"
                    }
                },
            "R40":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisaggregationOfRevenueTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2416411 - Disclosure - Revenue - Summary of Disaggregated Revenue (Details)",
                "role":  "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                "shortName":  "Revenue - Summary of Disaggregated Revenue (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisaggregationOfRevenueTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ifab5b7e1b64b413b9f24113c0e416c76_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R41":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueRemainingPerformanceObligation",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2417412 - Disclosure - Revenue - Remaining Performance Obligation (Details)",
                "role":  "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails",
                "shortName":  "Revenue - Remaining Performance Obligation (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueRemainingPerformanceObligation",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R42":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ContractWithCustomerAssetNet",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2418413 - Disclosure - Revenue - Narrative (Details)",
                "role":  "http://www.illumina.com/role/RevenueNarrativeDetails",
                "shortName":  "Revenue - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ContractWithCustomerAssetNet",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R43":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2421414 - Disclosure - Investments and Fair Value Measurements - Summary of Short-term Investments (Details)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails",
                "shortName":  "Investments and Fair Value Measurements - Summary of Short-term Investments (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R44":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:EquitySecuritiesFvNi",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2422415 - Disclosure - Investments and Fair Value Measurements - Narrative (Details)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                "shortName":  "Investments and Fair Value Measurements - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R45":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:MarketableSecuritiesTextBlock",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:MarketableSecuritiesGainLoss",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2423416 - Disclosure - Investments and Fair Value Measurements - Marketable Equity Securities (Details)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsMarketableEquitySecuritiesDetails",
                "shortName":  "Investments and Fair Value Measurements - Marketable Equity Securities (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:MarketableSecuritiesTextBlock",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:MarketableSecuritiesGainLoss",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R46":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                        "div",
                        "us-gaap:FairValueDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AvailableForSaleSecuritiesDebtSecurities",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2424417 - Disclosure - Investments and Fair Value Measurements - Summary of Hierarchy\u00a0for Assets and Liabilities Measured at Fair Value Recurring Basis (Details)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                "shortName":  "Investments and Fair Value Measurements - Summary of Hierarchy\u00a0for Assets and Liabilities Measured at Fair Value Recurring Basis (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "if7809f0d6c72493a80a35c209af51c50_I20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:EquitySecuritiesFvNi",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R47":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2425418 - Disclosure - Investments and Fair Value Measurements - Changes in Estimated Fair Value of Acquisition Related Contingent Consideration Liabilities (Details)",
                "role":  "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                "shortName":  "Investments and Fair Value Measurements - Changes in Estimated Fair Value of Acquisition Related Contingent Consideration Liabilities (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i9abc696f1ff44a508ffc7ad7293840fc_I20210103",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R48":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2428419 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Narrative (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ifc7cbfda5381483cadfcb82213a1a05f_D20210405-20210704",
                    "decimals":  "INF",
                    "lang":  "en-US",
                    "name":  "us-gaap:GoodwillImpairmentLoss",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R49":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i8a42d6877a9843678f9c0680915d6160_D20210818-20210818",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PaymentsToAcquireBusinessesGross",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2429420 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Total Purchase Price (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Total Purchase Price (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i8a42d6877a9843678f9c0680915d6160_D20210818-20210818",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R5":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisaggregationOfRevenueTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1003005 - Statement - Consolidated Statements of Income",
                "role":  "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                "shortName":  "Consolidated Statements of Income",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:CostOfGoodsAndServicesSoldAmortization",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R50":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:Goodwill",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2430421 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Preliminary Fair Value of Assets Acquired and Liabilities Assumed (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Preliminary Fair Value of Assets Acquired and Liabilities Assumed (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i2995ef0ab6614b30bfc02e0c6339acd9_I20210818",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R51":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i33bd9cdc8be4487bab34480705a5efc8_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife",
                    "reportCount":  1,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2431422 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Amount Assigned to Identifiable Intangible Assets (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Amount Assigned to Identifiable Intangible Assets (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "icdaa6a23adc5405387a77300857f51bb_D20210104-20220102",
                    "decimals":  null,
                    "lang":  "en-US",
                    "name":  "us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R52":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:BusinessAcquisitionProFormaInformationTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i7e63f06b9830424e8f6c54db89d08686_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessAcquisitionsProFormaRevenue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2432423 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Pro Forma Information (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Pro Forma Information (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:BusinessAcquisitionProFormaInformationTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i7e63f06b9830424e8f6c54db89d08686_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessAcquisitionsProFormaRevenue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R53":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:Goodwill",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2433424 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Changes in Goodwill (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofChangesinGoodwillDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Changes in Goodwill (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfGoodwillTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:GoodwillAcquiredDuringPeriod",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R54":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2434425 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Identifiable Intangible Assets (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Identifiable Intangible Assets (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R55":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2435426 - Disclosure - Acquisitions, Goodwill and Intangible Assets - Summary of Estimated Annual Amortization of Intangible Assets (Details)",
                "role":  "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails",
                "shortName":  "Acquisitions, Goodwill and Intangible Assets - Summary of Estimated Annual Amortization of Intangible Assets (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R56":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDebtTableTextBlock",
                        "us-gaap:DebtDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i996e4e58819e46fea6359325a9efdc81_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2438427 - Disclosure - Debt and Other Commitments - Summary of Debt Obligations (Details)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                "shortName":  "Debt and Other Commitments - Summary of Debt Obligations (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDebtTableTextBlock",
                        "us-gaap:DebtDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i996e4e58819e46fea6359325a9efdc81_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R57":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AdditionalPaidInCapital",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2439428 - Disclosure - Debt and Other Commitments - Narrative (Details)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                "shortName":  "Debt and Other Commitments - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i9631df5335fe4a0e9da95b68be62bb95_D20200920-20200920",
                    "decimals":  null,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtInstrumentTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R58":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfDebtConversionsTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i081c8988825b44909a16fca2e13ee511_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtConversionOriginalDebtAmount1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2440429 - Disclosure - Debt and Other Commitments - Summary of Debt Conversions (Details)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails",
                "shortName":  "Debt and Other Commitments - Summary of Debt Conversions (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfDebtConversionsTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i081c8988825b44909a16fca2e13ee511_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtConversionOriginalDebtAmount1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R59":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2441430 - Disclosure - Debt and Other Commitments - Summary of Maturities of Operating Lease Liabilities (Details)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails",
                "shortName":  "Debt and Other Commitments - Summary of Maturities of Operating Lease Liabilities (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R6":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ProfitLoss",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1004006 - Statement - Consolidated Statements of Comprehensive Income",
                "role":  "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome",
                "shortName":  "Consolidated Statements of Comprehensive Income",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R60":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LeaseCostTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OperatingLeaseCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2442431 - Disclosure - Debt and Other Commitments - Summary of Lease Costs (Details)",
                "role":  "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails",
                "shortName":  "Debt and Other Commitments - Summary of Lease Costs (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LeaseCostTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OperatingLeaseCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R61":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "if3b6621bad43422a830c4bafed0a4449_I20220102",
                    "decimals":  "-5",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2445432 - Disclosure - Stockholders' Equity - Narrative (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                "shortName":  "Stockholders' Equity - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "if3b6621bad43422a830c4bafed0a4449_I20220102",
                    "decimals":  "-5",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R62":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i67da5823586d4c11b5c9d10cdf7b2cdd_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2446433 - Disclosure - Stockholders' Equity - Narrative - Restricted Stock (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                "shortName":  "Stockholders' Equity - Narrative - Restricted Stock (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i67da5823586d4c11b5c9d10cdf7b2cdd_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R63":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
                        "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "iadf5bc0c1c1e4565bc2d2c1cf0be14ca_I20210103",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
                    "reportCount":  1,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2447434 - Disclosure - Stockholders' Equity - Summary of Restricted Stock Activity and Related Information (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                "shortName":  "Stockholders' Equity - Summary of Restricted Stock Activity and Related Information (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
                        "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i4995f046c5ee481287a70df7c2e20fdd_I20181230",
                    "decimals":  "-3",
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R64":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock",
                        "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i3e160c6e022f4da3afe71ec799ba3cf6_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2448435 - Disclosure - Stockholders' Equity - Summary of Pre-tax Intrinsic Values and Total Fair Value of Vested Restricted Stock (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                "shortName":  "Stockholders' Equity - Summary of Pre-tax Intrinsic Values and Total Fair Value of Vested Restricted Stock (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock",
                        "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i3e160c6e022f4da3afe71ec799ba3cf6_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R65":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i381294424ed2416ca51133f30e1203f5_I20210103",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
                    "reportCount":  1,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2449436 - Disclosure - Stockholders' Equity - Summary of Stock Option Activity Under all Stock Option Plans (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails",
                "shortName":  "Stockholders' Equity - Summary of Stock Option Activity Under all Stock Option Plans (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "iaba85b5170b9459692c2401ea4f0729e_I20181230",
                    "decimals":  "-3",
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R66":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2450437 - Disclosure - Stockholders' Equity - Narrative - Stock Options (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                "shortName":  "Stockholders' Equity - Narrative - Stock Options (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R67":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2451438 - Disclosure - Stockholders' Equity - Narrative - Liability-Classified Award (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                "shortName":  "Stockholders' Equity - Narrative - Liability-Classified Award (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ib0dfe36c6d4a44c98dfe19597cb742bd_D20210104-20220102",
                    "decimals":  null,
                    "lang":  "en-US",
                    "name":  "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R68":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ia91a7ce6f62842f2ac1c94774cf0094d_I20220102",
                    "decimals":  "-5",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2452439 - Disclosure - Stockholders' Equity - Narrative - Employee Stock Purchase Plan (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                "shortName":  "Stockholders' Equity - Narrative - Employee Stock Purchase Plan (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ia91a7ce6f62842f2ac1c94774cf0094d_I20220102",
                    "decimals":  "-5",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R69":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PaymentsForRepurchaseOfCommonStock",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2453440 - Disclosure - Stockholders' Equity - Narrative - Share Repurchases (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails",
                "shortName":  "Stockholders' Equity - Narrative - Share Repurchases (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i732043d8c1334388bb622eed29cc829f_D20210104-20220102",
                    "decimals":  "-5",
                    "lang":  "en-US",
                    "name":  "us-gaap:TreasuryStockSharesAcquired",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R7":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ic89fb74371c34deb8d5d07b583bd85e5_I20181230",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SharesIssued",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1005007 - Statement - Consolidated Statements of Stockholders' Equity",
                "role":  "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity",
                "shortName":  "Consolidated Statements of Stockholders' Equity",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ic89fb74371c34deb8d5d07b583bd85e5_I20181230",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SharesIssued",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "shares",
                    "xsiNil":  "false"
                    }
                },
            "R70":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AllocatedShareBasedCompensationExpense",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2454441 - Disclosure - Stockholders' Equity - Summary of Share-based Compensation Expense for all Stock Awards (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails",
                "shortName":  "Stockholders' Equity - Summary of Share-based Compensation Expense for all Stock Awards (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R71":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AllocatedShareBasedCompensationExpense",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2455442 - Disclosure - Stockholders' Equity - Narrative- Share-based Compensation (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                "shortName":  "Stockholders' Equity - Narrative- Share-based Compensation (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "if6694145d5af4ed8b25492d02d1a799c_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R72":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
                    "reportCount":  1,
                    "unitRef":  "number",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2456443 - Disclosure - Stockholders' Equity - Summary of Assumptions used to Estimate the Weighted-Average Fair Value Per Share for Stock Purchase under the Employee Stock Purchase Plan (Details)",
                "role":  "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                "shortName":  "Stockholders' Equity - Summary of Assumptions used to Estimate the Weighted-Average Fair Value Per Share for Stock Purchase under the Employee Stock Purchase Plan (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "ic2f557f99781478ca0c323643c5a9d7c_D20210104-20220102",
                    "decimals":  "4",
                    "lang":  "en-US",
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "number",
                    "xsiNil":  "false"
                    }
                },
            "R73":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AccountsReceivableGrossCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2459444 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Summary of Accounts Receivable (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Summary of Accounts Receivable (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AccountsReceivableGrossCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R74":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InventoryRawMaterialsNetOfReserves",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2460445 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Summary of Inventory (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Summary of Inventory (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InventoryRawMaterialsNetOfReserves",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R75":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2461446 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Summary of Property and Equipment (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Summary of Property and Equipment (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R76":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CapitalExpendituresIncurredButNotYetPaid",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2462447 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Narrative - Property and Equipment (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsNarrativePropertyandEquipmentDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Narrative - Property and Equipment (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ilmn:SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CapitalExpendituresIncurredButNotYetPaid",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R77":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:EmployeeRelatedLiabilitiesCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2463448 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Summary of Accrued Liabilities (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Summary of Accrued Liabilities (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:EmployeeRelatedLiabilitiesCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R78":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ProductWarrantyAccrual",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2464449 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Summary of Changes in Reserve for Product Warranties (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofChangesinReserveforProductWarrantiesDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Summary of Changes in Reserve for Product Warranties (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i772bb5a223714478b1aa20e7a14da636_I20181230",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:ProductWarrantyAccrual",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R79":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2465450 - Disclosure - Supplemental Balance Sheet and Statement of Income Details - Other Income, Net (Details)",
                "role":  "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails",
                "shortName":  "Supplemental Balance Sheet and Statement of Income Details - Other Income, Net (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "ilmn:OtherNonoperatingIncomeExpenseMiscellaneous",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R8":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ProfitLoss",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "1006008 - Statement - Consolidated Statements of Cash Flows",
                "role":  "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                "shortName":  "Consolidated Statements of Cash Flows",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:Depreciation",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R80":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i411b585e1bc84e48a6db36b7c67244ce_D20210512-20210512",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LossContingencyDamagesSoughtValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2467451 - Disclosure - Legal Proceedings (Details)",
                "role":  "http://www.illumina.com/role/LegalProceedingsDetails",
                "shortName":  "Legal Proceedings (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i411b585e1bc84e48a6db36b7c67244ce_D20210512-20210512",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LossContingencyDamagesSoughtValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R81":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2470452 - Disclosure - Income Taxes - Summary of Income (Loss) Before Income Taxes by Region (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails",
                "shortName":  "Income Taxes - Summary of Income (Loss) Before Income Taxes by Region (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R82":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CurrentFederalTaxExpenseBenefit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2471453 - Disclosure - Income Taxes - Summary of Provision for Income Taxes (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails",
                "shortName":  "Income Taxes - Summary of Provision for Income Taxes (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                        "us-gaap:IncomeTaxDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CurrentFederalTaxExpenseBenefit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R83":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2472454 - Disclosure - Income Taxes - Summary of Reconciliation of Provision for Income Taxes to Amount Computed by Applying the Federal Statutory Rate (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails",
                "shortName":  "Income Taxes - Summary of Reconciliation of Provision for Income Taxes to Amount Computed by Applying the Federal Statutory Rate (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R84":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i2325c14da3c7453cb61561acaf4bdd15_D20191230-20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:IncomeTaxExpenseBenefitFinalizationOfCourtCase",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2473455 - Disclosure - Income Taxes - Narrative (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesNarrativeDetails",
                "shortName":  "Income Taxes - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i2325c14da3c7453cb61561acaf4bdd15_D20191230-20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:IncomeTaxExpenseBenefitFinalizationOfCourtCase",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R85":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2474456 - Disclosure - Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails",
                "shortName":  "Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R86":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:SummaryOfIncomeTaxContingenciesTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i83351f7f89c84951a77036dbe80c54d5_I20210103",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:UnrecognizedTaxBenefits",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2475457 - Disclosure - Income Taxes - Summary of the Gross Amount of Uncertain Tax Positions (Details)",
                "role":  "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails",
                "shortName":  "Income Taxes - Summary of the Gross Amount of Uncertain Tax Positions (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:SummaryOfIncomeTaxContingenciesTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i772bb5a223714478b1aa20e7a14da636_I20181230",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:UnrecognizedTaxBenefits",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R87":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2477458 - Disclosure - Employee Benefit Plans (Details)",
                "role":  "http://www.illumina.com/role/EmployeeBenefitPlansDetails",
                "shortName":  "Employee Benefit Plans (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R88":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:SegmentReportingDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NumberOfReportableSegments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "segment",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2480459 - Disclosure - Segments and Geographic Data - Narrative (Details)",
                "role":  "http://www.illumina.com/role/SegmentsandGeographicDataNarrativeDetails",
                "shortName":  "Segments and Geographic Data - Narrative (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "div",
                        "us-gaap:SegmentReportingDisclosureTextBlock",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NumberOfReportableSegments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "segment",
                    "xsiNil":  "false"
                    }
                },
            "R89":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:DisaggregationOfRevenueTableTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2481460 - Disclosure - Segments and Geographic Data - Summary of Operating Performance and Assets by Segment (Details)",
                "role":  "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails",
                "shortName":  "Segments and Geographic Data - Summary of Operating Performance and Assets by Segment (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  "-6",
                    "lang":  "en-US",
                    "name":  "us-gaap:DepreciationDepletionAndAmortization",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R9":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2101101 - Disclosure - Organization and Significant Accounting Policies",
                "role":  "http://www.illumina.com/role/OrganizationandSignificantAccountingPolicies",
                "shortName":  "Organization and Significant Accounting Policies",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i185d09c6f5db4599bbe1de6c183a2031_D20210104-20220102",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R90":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "2482461 - Disclosure - Segments and Geographic Data - Summary of Net Long-lived Assets Consisting of Property and Equipment (Details)",
                "role":  "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails",
                "shortName":  "Segments and Geographic Data - Summary of Net Long-lived Assets Consisting of Property and Equipment (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "td",
                        "tr",
                        "table",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "ilmn-20220102.htm",
                    "contextRef":  "i1ca67556254f4475b73fe2c2fd029497_I20220102",
                    "decimals":  "-6",
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "ilmn:PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "usd",
                    "xsiNil":  "false"
                    }
                },
            "R9999":  {
                "firstAnchor":  null,
                "groupType":  "",
                "isDefault":  "false",
                "longName":  "Uncategorized Items - ilmn-20220102.htm",
                "role":  "http://xbrl.sec.gov/role/uncategorizedFacts",
                "shortName":  "Uncategorized Items - ilmn-20220102.htm",
                "subGroupType":  "",
                "uniqueAnchor":  null
                }
            },
        "segmentCount":  126,
        "tag":  {
            "country_CN":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "CHINA",
                            "terseLabel":  "Greater China"
                            }
                        }
                    },
                "localname":  "CN",
                "nsuri":  "http://xbrl.sec.gov/country/2021",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "country_GB":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "UNITED KINGDOM",
                            "terseLabel":  "United Kingdom"
                            }
                        }
                    },
                "localname":  "GB",
                "nsuri":  "http://xbrl.sec.gov/country/2021",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "country_SG":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "SINGAPORE",
                            "verboseLabel":  "Singapore"
                            }
                        }
                    },
                "localname":  "SG",
                "nsuri":  "http://xbrl.sec.gov/country/2021",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "country_US":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "UNITED STATES",
                            "terseLabel":  "United States"
                            }
                        }
                    },
                "localname":  "US",
                "nsuri":  "http://xbrl.sec.gov/country/2021",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "dei_AmendmentFlag":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
                            "label":  "Amendment Flag",
                            "terseLabel":  "Amendment Flag"
                            }
                        }
                    },
                "localname":  "AmendmentFlag",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_AuditorFirmId":  {
                "auth_ref":  [
                    "r871",
                    "r872",
                    "r873"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "PCAOB issued Audit Firm Identifier",
                            "label":  "Auditor Firm ID",
                            "terseLabel":  "Auditor Firm ID"
                            }
                        }
                    },
                "localname":  "AuditorFirmId",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/AuditInformation"
                    ],
                "xbrltype":  "nonemptySequenceNumberItemType"
                },
            "dei_AuditorLocation":  {
                "auth_ref":  [
                    "r871",
                    "r872",
                    "r873"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Auditor Location",
                            "terseLabel":  "Auditor Location"
                            }
                        }
                    },
                "localname":  "AuditorLocation",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/AuditInformation"
                    ],
                "xbrltype":  "internationalNameItemType"
                },
            "dei_AuditorName":  {
                "auth_ref":  [
                    "r871",
                    "r872",
                    "r873"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Auditor Name",
                            "terseLabel":  "Auditor Name"
                            }
                        }
                    },
                "localname":  "AuditorName",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/AuditInformation"
                    ],
                "xbrltype":  "internationalNameItemType"
                },
            "dei_CityAreaCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Area code of city",
                            "label":  "City Area Code",
                            "terseLabel":  "City Area Code"
                            }
                        }
                    },
                "localname":  "CityAreaCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_CoverAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Cover page.",
                            "label":  "Cover [Abstract]",
                            "terseLabel":  "Cover [Abstract]"
                            }
                        }
                    },
                "localname":  "CoverAbstract",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "xbrltype":  "stringItemType"
                },
            "dei_CurrentFiscalYearEndDate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "End date of current fiscal year in the format --MM-DD.",
                            "label":  "Current Fiscal Year End Date",
                            "terseLabel":  "Current Fiscal Year End Date"
                            }
                        }
                    },
                "localname":  "CurrentFiscalYearEndDate",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "gMonthDayItemType"
                },
            "dei_DocumentAnnualReport":  {
                "auth_ref":  [
                    "r871",
                    "r872",
                    "r873"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true only for a form used as an annual report.",
                            "label":  "Document Annual Report",
                            "terseLabel":  "Document Annual Report"
                            }
                        }
                    },
                "localname":  "DocumentAnnualReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_DocumentFiscalPeriodFocus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fiscal period values are FY, Q1, Q2, and Q3.   1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
                            "label":  "Document Fiscal Period Focus",
                            "terseLabel":  "Document Fiscal Period Focus"
                            }
                        }
                    },
                "localname":  "DocumentFiscalPeriodFocus",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "fiscalPeriodItemType"
                },
            "dei_DocumentFiscalYearFocus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This is focus fiscal year of the document report in YYYY format.  For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus.  Example: 2006.",
                            "label":  "Document Fiscal Year Focus",
                            "terseLabel":  "Document Fiscal Year Focus"
                            }
                        }
                    },
                "localname":  "DocumentFiscalYearFocus",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "dei_DocumentPeriodEndDate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
                            "label":  "Document Period End Date",
                            "terseLabel":  "Document Period End Date"
                            }
                        }
                    },
                "localname":  "DocumentPeriodEndDate",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "dateItemType"
                },
            "dei_DocumentTransitionReport":  {
                "auth_ref":  [
                    "r874"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true only for a form used as a transition report.",
                            "label":  "Document Transition Report",
                            "terseLabel":  "Document Transition Report"
                            }
                        }
                    },
                "localname":  "DocumentTransitionReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_DocumentType":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc).  The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
                            "label":  "Document Type",
                            "terseLabel":  "Document Type"
                            }
                        }
                    },
                "localname":  "DocumentType",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "submissionTypeItemType"
                },
            "dei_DocumentsIncorporatedByReferenceTextBlock":  {
                "auth_ref":  [
                    "r869"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Documents incorporated by reference.",
                            "label":  "Documents Incorporated by Reference [Text Block]",
                            "terseLabel":  "Documents Incorporated by Reference"
                            }
                        }
                    },
                "localname":  "DocumentsIncorporatedByReferenceTextBlock",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "dei_EntityAddressAddressLine1":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Address Line 1 such as Attn, Building Name, Street Name",
                            "label":  "Entity Address, Address Line One",
                            "terseLabel":  "Entity Address, Address Line One"
                            }
                        }
                    },
                "localname":  "EntityAddressAddressLine1",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressCityOrTown":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the City or Town",
                            "label":  "Entity Address, City or Town",
                            "terseLabel":  "Entity Address, City or Town"
                            }
                        }
                    },
                "localname":  "EntityAddressCityOrTown",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressPostalZipCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Code for the postal or zip code",
                            "label":  "Entity Address, Postal Zip Code",
                            "terseLabel":  "Entity Address, Postal Zip Code"
                            }
                        }
                    },
                "localname":  "EntityAddressPostalZipCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressStateOrProvince":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the state or province.",
                            "label":  "Entity Address, State or Province",
                            "terseLabel":  "Entity Address, State or Province"
                            }
                        }
                    },
                "localname":  "EntityAddressStateOrProvince",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "stateOrProvinceItemType"
                },
            "dei_EntityCentralIndexKey":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC.  It is commonly abbreviated as CIK.",
                            "label":  "Entity Central Index Key",
                            "terseLabel":  "Entity Central Index Key"
                            }
                        }
                    },
                "localname":  "EntityCentralIndexKey",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "centralIndexKeyItemType"
                },
            "dei_EntityCommonStockSharesOutstanding":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report.  Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
                            "label":  "Entity Common Stock, Shares Outstanding",
                            "terseLabel":  "Entity Common Stock, Shares Outstanding"
                            }
                        }
                    },
                "localname":  "EntityCommonStockSharesOutstanding",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "dei_EntityCurrentReportingStatus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Current Reporting Status",
                            "terseLabel":  "Entity Current Reporting Status"
                            }
                        }
                    },
                "localname":  "EntityCurrentReportingStatus",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "All the names of the entities being reported upon in a document.  Any legal structure used to conduct activities or to hold assets.  Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts.  This item does not include business and geographical segments which are included in the geographical or business segments domains.",
                            "label":  "Entity [Domain]",
                            "terseLabel":  "Entity [Domain]"
                            }
                        }
                    },
                "localname":  "EntityDomain",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "dei_EntityEmergingGrowthCompany":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate if registrant meets the emerging growth company criteria.",
                            "label":  "Entity Emerging Growth Company",
                            "terseLabel":  "Entity Emerging Growth Company"
                            }
                        }
                    },
                "localname":  "EntityEmergingGrowthCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityFileNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Commission file number.  The field allows up to 17 characters.  The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
                            "label":  "Entity File Number",
                            "terseLabel":  "Entity File Number"
                            }
                        }
                    },
                "localname":  "EntityFileNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "fileNumberItemType"
                },
            "dei_EntityFilerCategory":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate whether the registrant is one of the following:  Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer.  Definitions of these categories are stated in Rule 12b-2 of the Exchange Act.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Filer Category",
                            "terseLabel":  "Entity Filer Category"
                            }
                        }
                    },
                "localname":  "EntityFilerCategory",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "filerCategoryItemType"
                },
            "dei_EntityIncorporationStateCountryCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Two-character EDGAR code representing the state or country of incorporation.",
                            "label":  "Entity Incorporation, State or Country Code",
                            "terseLabel":  "Entity Incorporation, State or Country Code"
                            }
                        }
                    },
                "localname":  "EntityIncorporationStateCountryCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "edgarStateCountryItemType"
                },
            "dei_EntityInteractiveDataCurrent":  {
                "auth_ref":  [
                    "r882"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
                            "label":  "Entity Interactive Data Current",
                            "terseLabel":  "Entity Interactive Data Current"
                            }
                        }
                    },
                "localname":  "EntityInteractiveDataCurrent",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityPublicFloat":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.",
                            "label":  "Entity Public Float",
                            "terseLabel":  "Entity Public Float"
                            }
                        }
                    },
                "localname":  "EntityPublicFloat",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "dei_EntityRegistrantName":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
                            "label":  "Entity Registrant Name",
                            "terseLabel":  "Entity Registrant Name"
                            }
                        }
                    },
                "localname":  "EntityRegistrantName",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityShellCompany":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
                            "label":  "Entity Shell Company",
                            "terseLabel":  "Entity Shell Company"
                            }
                        }
                    },
                "localname":  "EntityShellCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntitySmallBusiness":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicates that the company is a Smaller Reporting Company (SRC).",
                            "label":  "Entity Small Business",
                            "terseLabel":  "Entity Small Business"
                            }
                        }
                    },
                "localname":  "EntitySmallBusiness",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityTaxIdentificationNumber":  {
                "auth_ref":  [
                    "r868"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
                            "label":  "Entity Tax Identification Number",
                            "terseLabel":  "Entity Tax Identification Number"
                            }
                        }
                    },
                "localname":  "EntityTaxIdentificationNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "employerIdItemType"
                },
            "dei_EntityVoluntaryFilers":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
                            "label":  "Entity Voluntary Filers",
                            "terseLabel":  "Entity Voluntary Filers"
                            }
                        }
                    },
                "localname":  "EntityVoluntaryFilers",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityWellKnownSeasonedIssuer":  {
                "auth_ref":  [
                    "r883"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
                            "label":  "Entity Well-known Seasoned Issuer",
                            "terseLabel":  "Entity Well-known Seasoned Issuer"
                            }
                        }
                    },
                "localname":  "EntityWellKnownSeasonedIssuer",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_IcfrAuditorAttestationFlag":  {
                "auth_ref":  [
                    "r871",
                    "r872",
                    "r873"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "ICFR Auditor Attestation Flag",
                            "terseLabel":  "ICFR Auditor Attestation Flag"
                            }
                        }
                    },
                "localname":  "IcfrAuditorAttestationFlag",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_LegalEntityAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The set of legal entities associated with a report.",
                            "label":  "Legal Entity [Axis]",
                            "terseLabel":  "Legal Entity [Axis]"
                            }
                        }
                    },
                "localname":  "LegalEntityAxis",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "dei_LocalPhoneNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Local phone number for entity.",
                            "label":  "Local Phone Number",
                            "terseLabel":  "Local Phone Number"
                            }
                        }
                    },
                "localname":  "LocalPhoneNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_Security12bTitle":  {
                "auth_ref":  [
                    "r867"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Title of a 12(b) registered security.",
                            "label":  "Title of 12(b) Security",
                            "terseLabel":  "Title of 12(b) Security"
                            }
                        }
                    },
                "localname":  "Security12bTitle",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "securityTitleItemType"
                },
            "dei_SecurityExchangeName":  {
                "auth_ref":  [
                    "r870"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the Exchange on which a security is registered.",
                            "label":  "Security Exchange Name",
                            "terseLabel":  "Security Exchange Name"
                            }
                        }
                    },
                "localname":  "SecurityExchangeName",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "edgarExchangeCodeItemType"
                },
            "dei_TradingSymbol":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Trading symbol of an instrument as listed on an exchange.",
                            "label":  "Trading Symbol",
                            "terseLabel":  "Trading Symbol"
                            }
                        }
                    },
                "localname":  "TradingSymbol",
                "nsuri":  "http://xbrl.sec.gov/dei/2021q4",
                "presentation":  [
                    "http://www.illumina.com/role/CoverPage"
                    ],
                "xbrltype":  "tradingSymbolItemType"
                },
            "ilmn_A2000EmployeeStockPurchasePlanMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "2000 Employee Stock Purchase Plan [Member]",
                            "label":  "2000 Employee Stock Purchase Plan [Member]",
                            "terseLabel":  "ESPP"
                            }
                        }
                    },
                "localname":  "A2000EmployeeStockPurchasePlanMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_A2015StockAndIncentiveCompensationPlanMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "2015 Stock and Incentive Compensation Plan",
                            "label":  "2015 Stock and Incentive Compensation Plan [Member]",
                            "terseLabel":  "2015 Stock Plan"
                            }
                        }
                    },
                "localname":  "A2015StockAndIncentiveCompensationPlanMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_AdditionalPaidInCapitalBeforeTax":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Additional Paid In Capital Before Tax",
                            "label":  "Additional Paid In Capital Before Tax",
                            "terseLabel":  "Additional paid in capital, before tax"
                            }
                        }
                    },
                "localname":  "AdditionalPaidInCapitalBeforeTax",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_AdjustmentsToAdditionalPaidInCapitalExchangeOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Adjustments To Additional Paid In Capital, Exchange Of Contingent Consideration",
                            "label":  "Adjustments To Additional Paid In Capital, Exchange Of Contingent Consideration",
                            "terseLabel":  "Exchange of GRAIL contingent value rights"
                            }
                        }
                    },
                "localname":  "AdjustmentsToAdditionalPaidInCapitalExchangeOfContingentConsideration",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_AuditInformationAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Audit Information",
                            "label":  "Audit Information [Abstract]"
                            }
                        }
                    },
                "localname":  "AuditInformationAbstract",
                "nsuri":  "http://www.illumina.com/20220102",
                "xbrltype":  "stringItemType"
                },
            "ilmn_BridgeFacilityMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Bridge Facility",
                            "label":  "Bridge Facility [Member]",
                            "terseLabel":  "Bridge facility"
                            }
                        }
                    },
                "localname":  "BridgeFacilityMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_BuildingandLeaseholdImprovementsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Building and Leasehold Improvements [Member]",
                            "label":  "Building and Leasehold Improvements [Member]",
                            "terseLabel":  "Buildings and leasehold improvements"
                            }
                        }
                    },
                "localname":  "BuildingandLeaseholdImprovementsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_BusinessAcquisitionContingentValueRightsProRataOnePercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Contingent Value Rights, Pro Rata One, Percentage",
                            "label":  "Business Acquisition, Contingent Value Rights, Pro Rata One, Percentage",
                            "terseLabel":  "Contingent payment rights, first percentage"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionContingentValueRightsProRataOnePercentage",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_BusinessAcquisitionContingentValueRightsProRataTwoPercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Contingent Value Rights, Pro Rata Two, Percentage",
                            "label":  "Business Acquisition, Contingent Value Rights, Pro Rata Two, Percentage",
                            "terseLabel":  "Contingent payment rights, second percentage"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionContingentValueRightsProRataTwoPercentage",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_BusinessAcquisitionContingentValueRightsRevenueThreshold":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Contingent Value Rights, Revenue Threshold",
                            "label":  "Business Acquisition, Contingent Value Rights, Revenue Threshold",
                            "terseLabel":  "Business acquisition, contingent value rights, revenue threshold"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionContingentValueRightsRevenueThreshold",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessAcquisitionContingentValueRightsTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Contingent Value Rights, Term",
                            "label":  "Business Acquisition, Contingent Value Rights, Term",
                            "terseLabel":  "Contingent value right, terms"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionContingentValueRightsTerm",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_BusinessAcquisitionEquityOrDebtFinancingThreshold":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Equity Or Debt Financing Threshold",
                            "label":  "Business Acquisition, Equity Or Debt Financing Threshold",
                            "terseLabel":  "Equity or debt financing to be raised"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionEquityOrDebtFinancingThreshold",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessAcquisitionPeriodForContingentConsiderationToBeRepayable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition, Period For Contingent Consideration To Be Repayable",
                            "label":  "Business Acquisition, Period For Contingent Consideration To Be Repayable",
                            "terseLabel":  "Period for contingent consideration to be repayable"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionPeriodForContingentConsiderationToBeRepayable",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_BusinessCombinationAndGoodwillAndIntangibleAssetsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination And Goodwill And Intangible Assets",
                            "label":  "Business Combination And Goodwill And Intangible Assets [Abstract]"
                            }
                        }
                    },
                "localname":  "BusinessCombinationAndGoodwillAndIntangibleAssetsAbstract",
                "nsuri":  "http://www.illumina.com/20220102",
                "xbrltype":  "stringItemType"
                },
            "ilmn_BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination And Goodwill And Intangible Assets Disclosure",
                            "label":  "Business Combination And Goodwill And Intangible Assets Disclosure [Text Block]",
                            "terseLabel":  "Acquisitions, Goodwill and Intangible Assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssets"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "ilmn_BusinessCombinationConsiderationTransferredFairValueOfAcceleratedAwardsAttributableToPreCombinationService":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Consideration Transferred, Fair Value Of Accelerated Awards Attributable To Pre-Combination Service",
                            "label":  "Business Combination, Consideration Transferred, Fair Value Of Accelerated Awards Attributable To Pre-Combination Service",
                            "terseLabel":  "Purchase price related to fair value of equity awards attributable to pre-combination service"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredFairValueOfAcceleratedAwardsAttributableToPreCombinationService",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationConsiderationTransferredInvestmentHeldPreviously":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Consideration Transferred, Investment Held Previously",
                            "label":  "Business Combination, Consideration Transferred, Investment Held Previously",
                            "terseLabel":  "Fair value of previously held investment"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredInvestmentHeldPreviously",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationships":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Consideration Transferred, Settlement Of Preexisting Relationships",
                            "label":  "Business Combination, Consideration Transferred, Settlement Of Preexisting Relationships",
                            "terseLabel":  "Settlement of preexisting relationships"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationships",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationContingentConsiderationConsiderationTransferred":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration, Consideration Transferred",
                            "label":  "Business Combination, Contingent Consideration, Consideration Transferred",
                            "terseLabel":  "Business combination, consideration transferred for contingent consideration transferred"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationConsiderationTransferred",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationContingentConsiderationLiabilityMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration, Liability",
                            "label":  "Business Combination, Contingent Consideration, Liability [Member]",
                            "terseLabel":  "Business Combination, Contingent Consideration, Liability"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiabilityMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_BusinessCombinationContingentConsiderationNumberOfSharesIssued":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration, Number Of Shares Issued",
                            "label":  "Business Combination, Contingent Consideration, Number Of Shares Issued",
                            "terseLabel":  "Number of shares issued in exchange for contingent consideration"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationNumberOfSharesIssued",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "ilmn_BusinessCombinationContingentValueRightsExchanged":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Value Rights, Exchanged",
                            "label":  "Business Combination, Contingent Value Rights, Exchanged",
                            "terseLabel":  "Contingent value rights exchanged"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentValueRightsExchanged",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "ilmn_BusinessCombinationContinuationPayments":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Continuation Payments",
                            "label":  "Business Combination, Continuation Payments",
                            "terseLabel":  "Business combination, continuation payments"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContinuationPayments",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiability":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability",
                            "label":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability",
                            "negatedLabel":  "Measurement period adjustments, deferred tax liability"
                            }
                        }
                    },
                "localname":  "BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiability",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherCurrentAndNoncurrentLiabilities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current and Noncurrent Liabilities",
                            "label":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current and Noncurrent Liabilities",
                            "negatedLabel":  "Measurement period adjustments, other current and noncurrent liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherCurrentAndNoncurrentLiabilities",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationProvisionalInformationInitialIncompleteAccountingAdjustmentsConsiderationTransferredInvestmentHeldPreviously":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Provisional Information, Initial Incomplete Accounting, Adjustments, Consideration Transferred, Investment Held Previously",
                            "label":  "Business Combination, Provisional Information, Initial Incomplete Accounting, Adjustments, Consideration Transferred, Investment Held Previously",
                            "terseLabel":  "Increase (decrease) in previously held investment in GRAIL"
                            }
                        }
                    },
                "localname":  "BusinessCombinationProvisionalInformationInitialIncompleteAccountingAdjustmentsConsiderationTransferredInvestmentHeldPreviously",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Liability, Noncurrent",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Liability, Noncurrent",
                            "negatedTerseLabel":  "Long-term lease liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Right-Of-Use Assets",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Right-Of-Use Assets",
                            "terseLabel":  "Operating lease right-of-use assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Current And Noncurrent Assets",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Current And Noncurrent Assets",
                            "terseLabel":  "Other current and noncurrent assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Current And Noncurrent Liabilities",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Current And Noncurrent Liabilities",
                            "negatedTerseLabel":  "Other current and noncurrent liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ConcentrationRiskThreshold":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Concentration Risk, Threshold",
                            "label":  "Concentration Risk, Threshold",
                            "terseLabel":  "Maximum investment portfolio credit exposure"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskThreshold",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_ConsolidatedVariableInterestEntitiesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Consolidated Variable Interest Entities [Member]",
                            "label":  "Consolidated Variable Interest Entities [Member]",
                            "terseLabel":  "Helix"
                            }
                        }
                    },
                "localname":  "ConsolidatedVariableInterestEntitiesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ConsumablesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Consumables [Member]",
                            "label":  "Consumables [Member]",
                            "terseLabel":  "Consumables",
                            "verboseLabel":  "Consumables"
                            }
                        }
                    },
                "localname":  "ConsumablesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ContingentPaymentRightsAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contingent Payment Rights",
                            "label":  "Contingent Payment Rights [Axis]",
                            "terseLabel":  "Contingent Payment Rights [Axis]"
                            }
                        }
                    },
                "localname":  "ContingentPaymentRightsAxis",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "ilmn_ContingentPaymentRightsDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contingent Payment Rights",
                            "label":  "Contingent Payment Rights [Domain]",
                            "terseLabel":  "Contingent Payment Rights [Domain]"
                            }
                        }
                    },
                "localname":  "ContingentPaymentRightsDomain",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ContingentValueRightFairValueDisclosure":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contingent Value Right, Fair Value Disclosure",
                            "label":  "Contingent Value Right, Fair Value Disclosure",
                            "terseLabel":  "Helix contingent value right",
                            "verboseLabel":  "Contingent value right"
                            }
                        }
                    },
                "localname":  "ContingentValueRightFairValueDisclosure",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ContingentValueRightUnrealizedGainLossNoncash":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contingent Value Right, Unrealized Gain (Loss), Noncash",
                            "label":  "Contingent Value Right, Unrealized Gain (Loss), Noncash",
                            "negatedTerseLabel":  "(Gain) loss on Helix contingent value right"
                            }
                        }
                    },
                "localname":  "ContingentValueRightUnrealizedGainLossNoncash",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ContingentValueUnrealizedGainLoss":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contingent Value, Unrealized Gain (Loss)",
                            "label":  "Contingent Value, Unrealized Gain (Loss)",
                            "terseLabel":  "Gain (loss) on Helix contingent value right"
                            }
                        }
                    },
                "localname":  "ContingentValueUnrealizedGainLoss",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ContinuationAdvancesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Continuation Advances",
                            "label":  "Continuation Advances [Member]",
                            "terseLabel":  "Continuation Advances"
                            }
                        }
                    },
                "localname":  "ContinuationAdvancesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ConvertibleSeniorNotesDue2021Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Convertible Senior Notes due 2021",
                            "label":  "Convertible Senior Notes Due 2021 [Member]",
                            "verboseLabel":  "2021 Notes"
                            }
                        }
                    },
                "localname":  "ConvertibleSeniorNotesDue2021Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ConvertibleSeniorNotesDue2023Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Convertible Senior Notes Due 2023 [Member]",
                            "label":  "Convertible Senior Notes Due 2023 [Member]",
                            "terseLabel":  "2023 Notes"
                            }
                        }
                    },
                "localname":  "ConvertibleSeniorNotesDue2023Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_CoreIlluminaMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Core Illumina [Member]",
                            "label":  "Core Illumina [Member]",
                            "terseLabel":  "Core Illumina"
                            }
                        }
                    },
                "localname":  "CoreIlluminaMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_CostOfGoodsSoldMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Cost Of Goods Sold [Member]",
                            "label":  "Cost Of Goods Sold [Member]",
                            "verboseLabel":  "Cost of product revenue"
                            }
                        }
                    },
                "localname":  "CostOfGoodsSoldMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_CostOfServicesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Cost Of Services",
                            "label":  "Cost Of Services [Member]",
                            "terseLabel":  "Cost of service and other revenue"
                            }
                        }
                    },
                "localname":  "CostOfServicesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_DebtInstrumentConvertibleEffectiveConversionRatePeriod":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Convertible, Effective Conversion Rate Period",
                            "label":  "Debt Instrument, Convertible, Effective Conversion Rate Period",
                            "terseLabel":  "Effective conversion rate divided period"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleEffectiveConversionRatePeriod",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_DebtInstrumentConvertibleObservationPeriod":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument Convertible Observation Period",
                            "label":  "Debt Instrument Convertible Observation Period",
                            "terseLabel":  "Observation period"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleObservationPeriod",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_DebtInstrumentConvertibleThresholdConsecutiveNoteTradingDays":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Threshold period of specified consecutive trading days within which note price to conversion value of convertible debt instruments must not exceed threshold percentage for a specified number of trading days to trigger conversion feature.",
                            "label":  "Debt Instrument, Convertible, Threshold Consecutive Note Trading Days",
                            "terseLabel":  "Threshold consecutive note trading days"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdConsecutiveNoteTradingDays",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "ilmn_DebtInstrumentConvertibleThresholdNoteTradingDays":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Threshold number of specified trading days that note price to conversion value of convertible debt instruments must not exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.",
                            "label":  "Debt Instrument, Convertible, Threshold Note Trading Days",
                            "terseLabel":  "Threshold note trading days"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdNoteTradingDays",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "ilmn_DebtInstrumentConvertibleThresholdPercentageOfNotePriceTrigger":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Maximum percentage of note price to conversion value of convertible debt instruments to determine eligibility of conversion.",
                            "label":  "Debt Instrument, Convertible, Threshold Percentage Of Note Price Trigger",
                            "terseLabel":  "Threshold percentage of note price trigger"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdPercentageOfNotePriceTrigger",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_DebtInstrumentCovenantMinimumDebtToEBITDARatio":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Covenant, Minimum Debt to EBITDA Ratio",
                            "label":  "Debt Instrument, Covenant, Minimum Debt to EBITDA Ratio",
                            "terseLabel":  "Debt instrument, covenant, minimum debt to EBITDA ratio"
                            }
                        }
                    },
                "localname":  "DebtInstrumentCovenantMinimumDebtToEBITDARatio",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "pureItemType"
                },
            "ilmn_DebtInstrumentCovenantMinimumDebtToEBITDARatioUponConsummationOfAcquisition":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Covenant, Minimum Debt To EBITDA Ratio Upon Consummation Of Acquisition",
                            "label":  "Debt Instrument, Covenant, Minimum Debt To EBITDA Ratio Upon Consummation Of Acquisition",
                            "terseLabel":  "Debt instrument, covenant, minimum debt to EBITDA ratio upon consummation of acquisition"
                            }
                        }
                    },
                "localname":  "DebtInstrumentCovenantMinimumDebtToEBITDARatioUponConsummationOfAcquisition",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "pureItemType"
                },
            "ilmn_DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Face Amount, Optional Increase In Additional Borrowings",
                            "label":  "Debt Instrument, Face Amount, Optional Increase In Additional Borrowings",
                            "terseLabel":  "Debt instrument, face amount, optional increase in additional borrowings"
                            }
                        }
                    },
                "localname":  "DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_DebtInstrumentNumberOfRenewals":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Number Of Renewals",
                            "label":  "Debt Instrument, Number Of Renewals",
                            "terseLabel":  "Debt instrument term, number of renewal"
                            }
                        }
                    },
                "localname":  "DebtInstrumentNumberOfRenewals",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "ilmn_DebtInstrumentRenewalTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt Instrument, Renewal Term",
                            "label":  "Debt Instrument, Renewal Term",
                            "terseLabel":  "Debt instrument, renewal term"
                            }
                        }
                    },
                "localname":  "DebtInstrumentRenewalTerm",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_DeferredCompensationArrangementWithIndividualVestingPercentSpecifiedEvents":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred Compensation Arrangement With Individual, Vesting Percent, Specified Events",
                            "label":  "Deferred Compensation Arrangement With Individual, Vesting Percent, Specified Events",
                            "terseLabel":  "Employer contribution vesting percent upon the occurrence of participant's disability, death or retirement or change in control of the Company"
                            }
                        }
                    },
                "localname":  "DeferredCompensationArrangementWithIndividualVestingPercentSpecifiedEvents",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeBaseSalaryPercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred Compensation Plan, Maximum Annual Contributions Per Employee, Base Salary, Percent",
                            "label":  "Deferred Compensation Plan, Maximum Annual Contributions Per Employee, Base Salary, Percent",
                            "terseLabel":  "Percent of base salary available for contribution to the deferred compensation plan"
                            }
                        }
                    },
                "localname":  "DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeBaseSalaryPercent",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeOtherCompensationPercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred Compensation Plan, Maximum Annual Contributions Per Employee, Other Compensation, Percent",
                            "label":  "Deferred Compensation Plan, Maximum Annual Contributions Per Employee, Other Compensation, Percent",
                            "terseLabel":  "Percent of all other forms of compensation available for contribution to the deferred compensation plan"
                            }
                        }
                    },
                "localname":  "DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeOtherCompensationPercent",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_DeferredTaxAssetsOperatingLeaseLiabilities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred Tax Assets, Operating Lease Liabilities",
                            "label":  "Deferred Tax Assets, Operating Lease Liabilities",
                            "terseLabel":  "Operating lease liabilities"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOperatingLeaseLiabilities",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred Tax Liabilities, Operating Lease Right-of-use Assets",
                            "label":  "Deferred Tax Liabilities, Operating Lease Right-Of-Use Assets",
                            "negatedTerseLabel":  "Operating lease right-of-use assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_DerivativeGainLossOnDerivativeNetNoncash":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  19.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Derivative, Gain (Loss) On Derivative, Net, Noncash",
                            "label":  "Derivative, Gain (Loss) On Derivative, Net, Noncash",
                            "negatedTerseLabel":  "(Gain) loss on derivative assets related to terminated acquisition"
                            }
                        }
                    },
                "localname":  "DerivativeGainLossOnDerivativeNetNoncash",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_EffectiveIncomeTaxRateReconciliationAcquisitionsRelatedItemsAmount":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  12.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Effective Income Tax Rate Reconciliation, Acquisitions Related Items, Amount",
                            "label":  "Effective Income Tax Rate Reconciliation, Acquisitions Related Items, Amount",
                            "negatedTerseLabel":  "Impact of acquisition related items"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationAcquisitionsRelatedItemsAmount",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_EffectiveIncomeTaxRateReconciliationCostSharingAdjustments":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Effective Income Tax Rate Reconciliation, Cost Sharing Adjustments",
                            "label":  "Effective Income Tax Rate Reconciliation, Cost Sharing Adjustments",
                            "terseLabel":  "Cost sharing adjustment"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationCostSharingAdjustments",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_EffectiveIncomeTaxRateReconciliationOfficerCompensationAmount":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  11.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Effective Income Tax Rate Reconciliation, Officer Compensation, Amount",
                            "label":  "Effective Income Tax Rate Reconciliation, Officer Compensation, Amount",
                            "terseLabel":  "Officer compensation"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationOfficerCompensationAmount",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Exchanges",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Exchanges",
                            "negatedTerseLabel":  "Exchange of GRAIL contingent value rights"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Period Adjustments",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Period Adjustments",
                            "terseLabel":  "Measurement period adjustment"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFive":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Finite-Lived Intangible Asset, Expected Amortization, After Year Five",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, After Year Five",
                            "terseLabel":  "Thereafter"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFive",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_GRAILInc.Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "GRAIL, Inc. [Member]",
                            "label":  "GRAIL, Inc. [Member]",
                            "terseLabel":  "GRAIL",
                            "verboseLabel":  "GRAIL, Inc."
                            }
                        }
                    },
                "localname":  "GRAILInc.Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_GRAILIncMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "GRAIL Inc",
                            "label":  "GRAIL Inc [Member]",
                            "terseLabel":  "GRAIL Inc"
                            }
                        }
                    },
                "localname":  "GRAILIncMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_GainLossOnExchangeOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  22.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Gain (Loss) on Exchange Of Contingent Consideration",
                            "label":  "Gain (Loss) on Exchange Of Contingent Consideration",
                            "negatedTerseLabel":  "Gain on exchange of GRAIL contingent value rights",
                            "terseLabel":  "Gain on exchange of GRAIL contingent value rights"
                            }
                        }
                    },
                "localname":  "GainLossOnExchangeOfContingentConsideration",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_GainLossOnStrategicInvestmentsNoncash":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Gain (Loss) On Strategic Investments, Noncash",
                            "label":  "Gain (Loss) On Strategic Investments, Noncash",
                            "negatedTerseLabel":  "Gains on strategic investments, net",
                            "terseLabel":  "Gains on strategic investments, net"
                            }
                        }
                    },
                "localname":  "GainLossOnStrategicInvestmentsNoncash",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_HelixHoldingsILLCMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Helix Holdings I, LLC [Member]",
                            "label":  "Helix Holdings I, LLC [Member]",
                            "terseLabel":  "Helix Holdings I, LLC"
                            }
                        }
                    },
                "localname":  "HelixHoldingsILLCMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_IncomeTaxExpenseBenefitFinalizationOfCourtCase":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Income Tax Expense (Benefit), Finalization Of Court Case",
                            "label":  "Income Tax Expense (Benefit), Finalization Of Court Case",
                            "terseLabel":  "Tax expense related to the finalization of court case"
                            }
                        }
                    },
                "localname":  "IncomeTaxExpenseBenefitFinalizationOfCourtCase",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_IncreaseDecreaseOfOperatingLeasesNet":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Increase (Decrease) Of Operating Leases, Net",
                            "label":  "Increase (Decrease) Of Operating Leases, Net",
                            "negatedTerseLabel":  "Operating lease right-of-use assets and liabilities, net"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseOfOperatingLeasesNet",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_IndustryCreditConcentrationRiskMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Industry Credit Concentration Risk [Member]",
                            "label":  "Industry Credit Concentration Risk [Member]",
                            "terseLabel":  "Industry Credit Concentration Risk"
                            }
                        }
                    },
                "localname":  "IndustryCreditConcentrationRiskMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_InstrumentsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Instruments [Member]",
                            "label":  "Instruments [Member]",
                            "terseLabel":  "Instruments",
                            "verboseLabel":  "Instruments"
                            }
                        }
                    },
                "localname":  "InstrumentsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_InvestmentPortfolioMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Investment Portfolio [Member]",
                            "label":  "Investment Portfolio [Member]",
                            "terseLabel":  "Investment Portfolio"
                            }
                        }
                    },
                "localname":  "InvestmentPortfolioMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_IssueSizeMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Issue Size [Member]",
                            "label":  "Issue Size [Member]",
                            "terseLabel":  "Issue Size"
                            }
                        }
                    },
                "localname":  "IssueSizeMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_LesseeOperatingLeaseArea":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Lessee Operating Lease, Area",
                            "label":  "Lessee Operating Lease, Area",
                            "terseLabel":  "Lessee operating lease, area"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseArea",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails"
                    ],
                "xbrltype":  "areaItemType"
                },
            "ilmn_LesseeOperatingLeaseLeaseNotYetCommencedLiability":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Lessee, Operating Lease, Lease Not Yet Commenced, Liability",
                            "label":  "Lessee, Operating Lease, Lease Not Yet Commenced, Liability",
                            "terseLabel":  "Lease payments for leases not yet commenced"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLeaseNotYetCommencedLiability",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_LiabilityBasedAwardsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Liability-Based Awards",
                            "label":  "Liability-Based Awards [Member]",
                            "terseLabel":  "Liability-Based Awards"
                            }
                        }
                    },
                "localname":  "LiabilityBasedAwardsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_LicensedTechnologyMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Licensed Technology [Member]",
                            "label":  "Licensed Technology [Member]",
                            "terseLabel":  "Licensed technologies"
                            }
                        }
                    },
                "localname":  "LicensedTechnologyMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_LossContingencyRoyaltyOnInvolvedProductsPercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Loss Contingency, Royalty On Involved Products, Percentage",
                            "label":  "Loss Contingency, Royalty On Involved Products, Percentage",
                            "terseLabel":  "Loss contingency, royalty on sales of accused products, percentage"
                            }
                        }
                    },
                "localname":  "LossContingencyRoyaltyOnInvolvedProductsPercentage",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/LegalProceedingsDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_MicroarrayMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Microarray [Member]",
                            "label":  "Microarray [Member]",
                            "terseLabel":  "Microarray"
                            }
                        }
                    },
                "localname":  "MicroarrayMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_NoncontrollingInterestLossPercentageAttributableToParent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Noncontrolling Interest, Loss Percentage Attributable to Parent",
                            "label":  "Noncontrolling Interest, Loss Percentage Attributable to Parent",
                            "terseLabel":  "Absorbed Helix's losses percentage"
                            }
                        }
                    },
                "localname":  "NoncontrollingInterestLossPercentageAttributableToParent",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "ilmn_NumberOfInvestmentFunds":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number Of Investment Funds",
                            "label":  "Number Of Investment Funds",
                            "terseLabel":  "Number of venture capital investment funds"
                            }
                        }
                    },
                "localname":  "NumberOfInvestmentFunds",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "ilmn_OtherAcquisitionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other Acquisition",
                            "label":  "Other Acquisition [Member]",
                            "terseLabel":  "Other Acquisition"
                            }
                        }
                    },
                "localname":  "OtherAcquisitionMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_OtherCountriesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other Countries [Member]",
                            "label":  "Other Countries [Member]",
                            "verboseLabel":  "Other countries"
                            }
                        }
                    },
                "localname":  "OtherCountriesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_OtherNonoperatingIncomeExpenseMiscellaneous":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other Nonoperating Income (Expense), Miscellaneous",
                            "label":  "Other Nonoperating Income (Expense), Miscellaneous",
                            "terseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "OtherNonoperatingIncomeExpenseMiscellaneous",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_PacificBiosciencesofCaliforniaIncPacBioMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Pacific Biosciences of California, Inc (PacBio) [Member]",
                            "label":  "Pacific Biosciences of California, Inc (PacBio) [Member]",
                            "terseLabel":  "PacBio"
                            }
                        }
                    },
                "localname":  "PacificBiosciencesofCaliforniaIncPacBioMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_PaymentOfAccretedDebtDiscount":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Payment Of Accreted Debt Discount",
                            "label":  "Payment Of Accreted Debt Discount",
                            "negatedTerseLabel":  "Payment of accreted debt discount on convertible senior notes"
                            }
                        }
                    },
                "localname":  "PaymentOfAccretedDebtDiscount",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_PaymentRightsOfAboveOneBillionEachTwelveYearsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Payment Rights Of Above One Billion Each Twelve Years",
                            "label":  "Payment Rights Of Above One Billion Each Twelve Years [Member]",
                            "terseLabel":  "Payment Rights Of Above One Billion Each Twelve Years"
                            }
                        }
                    },
                "localname":  "PaymentRightsOfAboveOneBillionEachTwelveYearsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_PaymentRightsOfOneBillionEachTwelveYearsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Payment Rights Of One Billion Each Twelve Years",
                            "label":  "Payment Rights Of One Billion Each Twelve Years [Member]",
                            "terseLabel":  "Payment Rights Of One Billion Each Twelve Years"
                            }
                        }
                    },
                "localname":  "PaymentRightsOfOneBillionEachTwelveYearsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_PaymentsForStrategicInvestments":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  10.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Payments For Strategic Investments",
                            "label":  "Payments For Strategic Investments",
                            "negatedTerseLabel":  "Purchases of strategic investments"
                            }
                        }
                    },
                "localname":  "PaymentsForStrategicInvestments",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_PerformanceSharesGrantedIn2019Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Performance Shares, Granted In 2019",
                            "label":  "Performance Shares, Granted In 2019 [Member]",
                            "terseLabel":  "Performance Shares, Granted In 2019"
                            }
                        }
                    },
                "localname":  "PerformanceSharesGrantedIn2019Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_PerformanceSharesGrantedIn2020Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Performance Shares, Granted In 2020",
                            "label":  "Performance Shares, Granted In 2020 [Member]",
                            "terseLabel":  "Performance Shares, Granted In 2020"
                            }
                        }
                    },
                "localname":  "PerformanceSharesGrantedIn2020Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ProceedsFromStrategicInvestments":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Proceeds From Strategic Investments",
                            "label":  "Proceeds From Strategic Investments",
                            "terseLabel":  "Sales of strategic investments"
                            }
                        }
                    },
                "localname":  "ProceedsFromStrategicInvestments",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Property, Plant And Equipment, Net And Operating Lease, Right-Of-Use Assets",
                            "label":  "Property, Plant And Equipment, Net And Operating Lease, Right-Of-Use Assets",
                            "terseLabel":  "Total net long-lived assets"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_RemainingCapitalCommitment":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Remaining Capital Commitment",
                            "label":  "Remaining Capital Commitment",
                            "terseLabel":  "Remaining capital commitment"
                            }
                        }
                    },
                "localname":  "RemainingCapitalCommitment",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ReplacementAwardsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Replacement Awards",
                            "label":  "Replacement Awards [Member]",
                            "terseLabel":  "Replacement Awards"
                            }
                        }
                    },
                "localname":  "ReplacementAwardsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_RevenueFromContractWithCustomerPaymentTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Revenue From Contract With Customer, Payment Term",
                            "label":  "Revenue From Contract With Customer, Payment Term",
                            "terseLabel":  "Payment period from invoice"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerPaymentTerm",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_RevenueRecognitionMultipleDeliverableArrangementsDeliveryTimeFrame":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Revenue Recognition, Multiple-Deliverable Arrangements, Delivery Time Frame",
                            "label":  "Revenue Recognition, Multiple-Deliverable Arrangements, Delivery Time Frame",
                            "terseLabel":  "Product or service delivery period"
                            }
                        }
                    },
                "localname":  "RevenueRecognitionMultipleDeliverableArrangementsDeliveryTimeFrame",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_ReverseTerminationFeeMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reverse Termination Fee",
                            "label":  "Reverse Termination Fee [Member]",
                            "terseLabel":  "Reverse Termination Fee"
                            }
                        }
                    },
                "localname":  "ReverseTerminationFeeMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_SBNorthstarLPMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "SB Northstar LP",
                            "label":  "SB Northstar LP [Member]",
                            "terseLabel":  "SB Northstar LP"
                            }
                        }
                    },
                "localname":  "SBNorthstarLPMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_SeniorLevelEmployeeMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Senior Level Employee [Member]",
                            "label":  "Senior Level Employee [Member]",
                            "terseLabel":  "Senior Level Employee"
                            }
                        }
                    },
                "localname":  "SeniorLevelEmployeeMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_SequencingMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sequencing [Member]",
                            "label":  "Sequencing [Member]",
                            "terseLabel":  "Sequencing"
                            }
                        }
                    },
                "localname":  "SequencingMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardAggregateIntrinsicValueNonvested":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Award, Aggregate Intrinsic Value, Nonvested",
                            "label":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Award, Aggregate Intrinsic Value, Nonvested",
                            "terseLabel":  "Aggregated potential value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardAggregateIntrinsicValueNonvested",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsForfeitedValue":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Forfeited, Value",
                            "label":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Forfeited, Value",
                            "terseLabel":  "Award forfeited value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsForfeitedValue",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesAffectedByModification":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Employees Affected By Modification",
                            "label":  "Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Employees Affected By Modification",
                            "terseLabel":  "Number of employees effected by modification"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesAffectedByModification",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "ilmn_ShareBasedPaymentArrangementCashIncentiveAwardTargetAwardAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Payment Arrangement, Cash Incentive Award, Target Award Amount",
                            "label":  "Share-Based Payment Arrangement, Cash Incentive Award, Target Award Amount",
                            "terseLabel":  "Cash incentive award, target award amount"
                            }
                        }
                    },
                "localname":  "ShareBasedPaymentArrangementCashIncentiveAwardTargetAwardAmount",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ShareBasedPaymentArrangementLiabilityClassifiedAward":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Payment Arrangement, Liability-Classified Award",
                            "label":  "Share-Based Payment Arrangement, Liability-Classified Award",
                            "terseLabel":  "Share-based payment arrangement, liability-classified award"
                            }
                        }
                    },
                "localname":  "ShareBasedPaymentArrangementLiabilityClassifiedAward",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_ShareBasedPaymentArrangementPerformanceStockOptionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-Based Payment Arrangement, Performance Stock Option",
                            "label":  "Share-Based Payment Arrangement, Performance Stock Option [Member]",
                            "terseLabel":  "Performance stock options"
                            }
                        }
                    },
                "localname":  "ShareBasedPaymentArrangementPerformanceStockOptionMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_StandardProductWarrantyDescriptionTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Describes the approximate term of the product warranty.",
                            "label":  "Standard Product Warranty Description, Term",
                            "terseLabel":  "Warranty period"
                            }
                        }
                    },
                "localname":  "StandardProductWarrantyDescriptionTerm",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "ilmn_StockIssuedDuringPeriodNetOfRepurchasesShares":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock Issued During Period, Net Of Repurchases, Shares",
                            "label":  "Stock Issued During Period, Net Of Repurchases, Shares",
                            "terseLabel":  "Issuance of common stock, net of repurchases (in shares)"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodNetOfRepurchasesShares",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "ilmn_StockIssuedDuringPeriodNetOfRepurchasesValue":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock Issued During Period, Net Of Repurchases, Value",
                            "label":  "Stock Issued During Period, Net Of Repurchases, Value",
                            "terseLabel":  "Issuance of common stock, net of repurchases"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodNetOfRepurchasesValue",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "ilmn_SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Supplemental Balance Sheet And Income Statement Disclosures",
                            "label":  "Supplemental Balance Sheet And Income Statement Disclosures [Text Block]",
                            "terseLabel":  "Supplemental Balance Sheet and Statement of Income Details"
                            }
                        }
                    },
                "localname":  "SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetails"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "ilmn_SwinglineBorrowingsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Swingline Borrowings",
                            "label":  "Swingline Borrowings [Member]",
                            "terseLabel":  "Swingline Borrowings"
                            }
                        }
                    },
                "localname":  "SwinglineBorrowingsMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_TermNotesDue2023Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Term Notes Due 2023",
                            "label":  "Term Notes Due 2023 [Member]",
                            "terseLabel":  "Term Notes Due 2023"
                            }
                        }
                    },
                "localname":  "TermNotesDue2023Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_TermNotesDue2031Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Term Notes Due 2031",
                            "label":  "Term Notes Due 2031 [Member]",
                            "terseLabel":  "Term Notes Due 2031"
                            }
                        }
                    },
                "localname":  "TermNotesDue2031Member",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_TermNotesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Term Notes",
                            "label":  "Term Notes [Member]",
                            "terseLabel":  "Term Notes"
                            }
                        }
                    },
                "localname":  "TermNotesMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_TheCreditAgreementMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The Credit Agreement",
                            "label":  "The Credit Agreement [Member]",
                            "terseLabel":  "The Credit Agreement"
                            }
                        }
                    },
                "localname":  "TheCreditAgreementMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_VentureCapitalInvestmentFundTheFundOneMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Venture Capital Investment Fund (the Fund) [Member]",
                            "label":  "Venture Capital Investment Fund (the Fund), One [Member]",
                            "terseLabel":  "Venture Capital Investment Fund (the Fund), One"
                            }
                        }
                    },
                "localname":  "VentureCapitalInvestmentFundTheFundOneMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_VentureCapitalInvestmentFundTheFundTwoMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Venture Capital Investment Fund (the Fund), Two [Member]",
                            "label":  "Venture Capital Investment Fund (the Fund), Two [Member]",
                            "terseLabel":  "Venture Capital Investment Fund (the Fund), Two"
                            }
                        }
                    },
                "localname":  "VentureCapitalInvestmentFundTheFundTwoMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "ilmn_VentureCapitalInvestmentFundtheFundMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Venture Capital Investment Fund (the Fund) [Member]",
                            "label":  "Venture Capital Investment Fund (the Fund) [Member]",
                            "terseLabel":  "Venture Capital Investment Fund (the Fund)"
                            }
                        }
                    },
                "localname":  "VentureCapitalInvestmentFundtheFundMember",
                "nsuri":  "http://www.illumina.com/20220102",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_AmericasMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Americas [Member]",
                            "terseLabel":  "Americas"
                            }
                        }
                    },
                "localname":  "AmericasMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_AsiaPacificMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Asia Pacific [Member]",
                            "terseLabel":  "Asia-Pacific"
                            }
                        }
                    },
                "localname":  "AsiaPacificMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ConsolidatedEntitiesAxis":  {
                "auth_ref":  [
                    "r144",
                    "r349",
                    "r354",
                    "r362",
                    "r613",
                    "r614",
                    "r623",
                    "r624",
                    "r723",
                    "r863"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Entities [Axis]",
                            "terseLabel":  "Consolidated Entities [Axis]"
                            }
                        }
                    },
                "localname":  "ConsolidatedEntitiesAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ConsolidatedEntitiesDomain":  {
                "auth_ref":  [
                    "r144",
                    "r349",
                    "r354",
                    "r362",
                    "r613",
                    "r614",
                    "r623",
                    "r624",
                    "r723",
                    "r863"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Entities [Domain]",
                            "terseLabel":  "Consolidated Entities [Domain]"
                            }
                        }
                    },
                "localname":  "ConsolidatedEntitiesDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ConsolidationItemsAxis":  {
                "auth_ref":  [
                    "r144",
                    "r207",
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r233",
                    "r237",
                    "r349",
                    "r350",
                    "r351",
                    "r352",
                    "r353",
                    "r354",
                    "r356",
                    "r357",
                    "r359",
                    "r361",
                    "r362"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidation Items [Axis]",
                            "terseLabel":  "Consolidation Items [Axis]"
                            }
                        }
                    },
                "localname":  "ConsolidationItemsAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ConsolidationItemsDomain":  {
                "auth_ref":  [
                    "r144",
                    "r207",
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r233",
                    "r237",
                    "r349",
                    "r350",
                    "r351",
                    "r352",
                    "r353",
                    "r354",
                    "r356",
                    "r357",
                    "r359",
                    "r361",
                    "r362"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidation Items [Domain]",
                            "terseLabel":  "Consolidation Items [Domain]"
                            }
                        }
                    },
                "localname":  "ConsolidationItemsDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember":  {
                "auth_ref":  [
                    "r2",
                    "r149",
                    "r157",
                    "r163",
                    "r284",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r652",
                    "r655",
                    "r657",
                    "r658",
                    "r886"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Cumulative Effect, Period of Adoption, Adjustment [Member]",
                            "terseLabel":  "Cumulative Effect, Period of Adoption, Adjustment"
                            }
                        }
                    },
                "localname":  "CumulativeEffectPeriodOfAdoptionAdjustmentMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_CumulativeEffectPeriodOfAdoptionAxis":  {
                "auth_ref":  [
                    "r2",
                    "r149",
                    "r157",
                    "r163",
                    "r284",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r652",
                    "r655",
                    "r657",
                    "r658",
                    "r886"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Cumulative Effect, Period of Adoption [Axis]",
                            "terseLabel":  "Cumulative Effect, Period of Adoption [Axis]"
                            }
                        }
                    },
                "localname":  "CumulativeEffectPeriodOfAdoptionAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_CumulativeEffectPeriodOfAdoptionDomain":  {
                "auth_ref":  [
                    "r2",
                    "r149",
                    "r157",
                    "r163",
                    "r284",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r652",
                    "r655",
                    "r657",
                    "r658",
                    "r886"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Cumulative Effect, Period of Adoption [Domain]",
                            "terseLabel":  "Cumulative Effect, Period of Adoption [Domain]"
                            }
                        }
                    },
                "localname":  "CumulativeEffectPeriodOfAdoptionDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_DirectorMember":  {
                "auth_ref":  [
                    "r246"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Director [Member]",
                            "terseLabel":  "Director"
                            }
                        }
                    },
                "localname":  "DirectorMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_EquityMethodInvesteeNameDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Investment, Name [Domain]",
                            "terseLabel":  "Investment, Name [Domain]"
                            }
                        }
                    },
                "localname":  "EquityMethodInvesteeNameDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_MaximumMember":  {
                "auth_ref":  [
                    "r368",
                    "r414",
                    "r476",
                    "r478",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r758",
                    "r826",
                    "r829",
                    "r864",
                    "r865"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Maximum [Member]",
                            "terseLabel":  "Maximum"
                            }
                        }
                    },
                "localname":  "MaximumMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_MinimumMember":  {
                "auth_ref":  [
                    "r368",
                    "r414",
                    "r476",
                    "r478",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r758",
                    "r826",
                    "r829",
                    "r864",
                    "r865"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Minimum [Member]",
                            "terseLabel":  "Minimum"
                            }
                        }
                    },
                "localname":  "MinimumMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_OwnershipAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Ownership [Axis]",
                            "terseLabel":  "Ownership [Axis]"
                            }
                        }
                    },
                "localname":  "OwnershipAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_OwnershipDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Ownership [Domain]",
                            "terseLabel":  "Ownership [Domain]"
                            }
                        }
                    },
                "localname":  "OwnershipDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ProductOrServiceAxis":  {
                "auth_ref":  [
                    "r239",
                    "r453",
                    "r457",
                    "r761",
                    "r825",
                    "r827"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Product and Service [Axis]",
                            "terseLabel":  "Product and Service [Axis]"
                            }
                        }
                    },
                "localname":  "ProductOrServiceAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ProductsAndServicesDomain":  {
                "auth_ref":  [
                    "r239",
                    "r453",
                    "r457",
                    "r761",
                    "r825",
                    "r827"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Product and Service [Domain]",
                            "terseLabel":  "Product and Service [Domain]"
                            }
                        }
                    },
                "localname":  "ProductsAndServicesDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_RangeAxis":  {
                "auth_ref":  [
                    "r368",
                    "r414",
                    "r465",
                    "r476",
                    "r478",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r758",
                    "r826",
                    "r829",
                    "r864",
                    "r865"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statistical Measurement [Axis]",
                            "terseLabel":  "Statistical Measurement [Axis]"
                            }
                        }
                    },
                "localname":  "RangeAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_RangeMember":  {
                "auth_ref":  [
                    "r368",
                    "r414",
                    "r465",
                    "r476",
                    "r478",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r758",
                    "r826",
                    "r829",
                    "r864",
                    "r865"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statistical Measurement [Domain]",
                            "terseLabel":  "Statistical Measurement [Domain]"
                            }
                        }
                    },
                "localname":  "RangeMember",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis":  {
                "auth_ref":  [
                    "r278"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Investment, Name [Axis]",
                            "terseLabel":  "Investment, Name [Axis]"
                            }
                        }
                    },
                "localname":  "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_SegmentGeographicalDomain":  {
                "auth_ref":  [
                    "r240",
                    "r241",
                    "r453",
                    "r458",
                    "r828",
                    "r854",
                    "r855",
                    "r856",
                    "r857",
                    "r858",
                    "r859",
                    "r860",
                    "r861",
                    "r862"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Geographical [Domain]",
                            "terseLabel":  "Geographical [Domain]"
                            }
                        }
                    },
                "localname":  "SegmentGeographicalDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_StatementGeographicalAxis":  {
                "auth_ref":  [
                    "r240",
                    "r241",
                    "r453",
                    "r458",
                    "r828",
                    "r850",
                    "r854",
                    "r855",
                    "r856",
                    "r857",
                    "r858",
                    "r859",
                    "r860",
                    "r861",
                    "r862"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Geographical [Axis]",
                            "terseLabel":  "Geographical [Axis]"
                            }
                        }
                    },
                "localname":  "StatementGeographicalAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_TitleOfIndividualAxis":  {
                "auth_ref":  [
                    "r246",
                    "r721"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Title of Individual [Axis]",
                            "terseLabel":  "Title of Individual [Axis]"
                            }
                        }
                    },
                "localname":  "TitleOfIndividualAxis",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_TitleOfIndividualWithRelationshipToEntityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Title of Individual [Domain]",
                            "terseLabel":  "Title of Individual [Domain]"
                            }
                        }
                    },
                "localname":  "TitleOfIndividualWithRelationshipToEntityDomain",
                "nsuri":  "http://fasb.org/srt/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountingPoliciesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Accounting Policies [Abstract]",
                            "terseLabel":  "Accounting Policies [Abstract]"
                            }
                        }
                    },
                "localname":  "AccountingPoliciesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AccountingStandardsUpdate201602Member":  {
                "auth_ref":  [
                    "r702"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accounting Standards Update 2016-02 Leases (Topic 842).",
                            "label":  "Accounting Standards Update 2016-02 [Member]",
                            "terseLabel":  "Accounting Standards Update 2016-02"
                            }
                        }
                    },
                "localname":  "AccountingStandardsUpdate201602Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountingStandardsUpdate202006Member":  {
                "auth_ref":  [
                    "r649",
                    "r650",
                    "r651",
                    "r652",
                    "r653",
                    "r654",
                    "r655",
                    "r656",
                    "r657",
                    "r658",
                    "r659"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accounting Standards Update 2020-06 Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40):  Accounting for Convertible Instruments and Contracts in an Entity's Own Equity.",
                            "label":  "Accounting Standards Update 2020-06 [Member]",
                            "terseLabel":  "ASU 2020-06"
                            }
                        }
                    },
                "localname":  "AccountingStandardsUpdate202006Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountingStandardsUpdateExtensibleList":  {
                "auth_ref":  [
                    "r0",
                    "r1",
                    "r2",
                    "r3",
                    "r4",
                    "r150",
                    "r151",
                    "r152",
                    "r153",
                    "r256",
                    "r257",
                    "r281",
                    "r282",
                    "r283",
                    "r284",
                    "r285",
                    "r286",
                    "r348",
                    "r513",
                    "r514",
                    "r515",
                    "r516",
                    "r517",
                    "r518",
                    "r519",
                    "r520",
                    "r563",
                    "r564",
                    "r649",
                    "r650",
                    "r651",
                    "r652",
                    "r653",
                    "r654",
                    "r655",
                    "r656",
                    "r657",
                    "r658",
                    "r659",
                    "r679",
                    "r680",
                    "r681",
                    "r682",
                    "r683",
                    "r684",
                    "r685",
                    "r686",
                    "r718",
                    "r830",
                    "r831",
                    "r832",
                    "r833",
                    "r834",
                    "r835",
                    "r836",
                    "r837",
                    "r838",
                    "r839",
                    "r840",
                    "r841",
                    "r884",
                    "r885",
                    "r886",
                    "r887",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicates amendment to accounting standards.",
                            "label":  "Accounting Standards Update [Extensible Enumeration]",
                            "terseLabel":  "Accounting Standards Update [Extensible List]"
                            }
                        }
                    },
                "localname":  "AccountingStandardsUpdateExtensibleList",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "enumerationSetItemType"
                },
            "us-gaap_AccountsPayableCurrent":  {
                "auth_ref":  [
                    "r48",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accounts Payable, Current",
                            "verboseLabel":  "Accounts payable"
                            }
                        }
                    },
                "localname":  "AccountsPayableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccountsReceivableGrossCurrent":  {
                "auth_ref":  [
                    "r247",
                    "r248"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AccountsReceivableNetCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.",
                            "label":  "Accounts Receivable, before Allowance for Credit Loss, Current",
                            "terseLabel":  "Trade accounts receivable, gross"
                            }
                        }
                    },
                "localname":  "AccountsReceivableGrossCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccountsReceivableMember":  {
                "auth_ref":  [
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Due from customers or clients for goods or services that have been delivered or sold.",
                            "label":  "Accounts Receivable [Member]",
                            "terseLabel":  "Accounts Receivable"
                            }
                        }
                    },
                "localname":  "AccountsReceivableMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountsReceivableNetCurrent":  {
                "auth_ref":  [
                    "r10",
                    "r29",
                    "r247",
                    "r248"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.",
                            "label":  "Accounts Receivable, after Allowance for Credit Loss, Current",
                            "totalLabel":  "Total accounts receivable, net",
                            "verboseLabel":  "Accounts receivable, net"
                            }
                        }
                    },
                "localname":  "AccountsReceivableNetCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccruedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r52"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.  Examples include taxes, interest, rent and utilities.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Liabilities, Current",
                            "totalLabel":  "Total accrued liabilities",
                            "verboseLabel":  "Accrued liabilities"
                            }
                        }
                    },
                "localname":  "AccruedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r46",
                    "r330"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
                            "label":  "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
                            "negatedTerseLabel":  "Accumulated depreciation"
                            }
                        }
                    },
                "localname":  "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax":  {
                "auth_ref":  [
                    "r32",
                    "r70",
                    "r71",
                    "r72",
                    "r813",
                    "r837",
                    "r841"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end.  Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.  Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
                            "label":  "Accumulated Other Comprehensive Income (Loss), Net of Tax",
                            "verboseLabel":  "Accumulated other comprehensive income"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeMember":  {
                "auth_ref":  [
                    "r69",
                    "r72",
                    "r79",
                    "r80",
                    "r81",
                    "r146",
                    "r147",
                    "r148",
                    "r620",
                    "r832",
                    "r833",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent.  Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
                            "label":  "AOCI Attributable to Parent [Member]",
                            "terseLabel":  "Accumulated Other Comprehensive (Loss) Income"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife":  {
                "auth_ref":  [
                    "r316"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Acquired Finite-lived Intangible Assets, Weighted Average Useful Life",
                            "netLabel":  "Weighted-average useful lives (in years)",
                            "terseLabel":  "Useful life (in years)"
                            }
                        }
                    },
                "localname":  "AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_AdditionalPaidInCapital":  {
                "auth_ref":  [
                    "r30",
                    "r520",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder.  Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.",
                            "label":  "Additional Paid in Capital",
                            "negatedTerseLabel":  "Additional paid-in capital",
                            "terseLabel":  "Additional paid-in capital",
                            "verboseLabel":  "Additional paid in capital, net of tax"
                            }
                        }
                    },
                "localname":  "AdditionalPaidInCapital",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AdditionalPaidInCapitalMember":  {
                "auth_ref":  [
                    "r146",
                    "r147",
                    "r148",
                    "r517",
                    "r518",
                    "r519",
                    "r657"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
                            "label":  "Additional Paid-in Capital [Member]",
                            "terseLabel":  "Additional Paid-In Capital"
                            }
                        }
                    },
                "localname":  "AdditionalPaidInCapitalMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis":  {
                "auth_ref":  [
                    "r0",
                    "r1",
                    "r2",
                    "r3",
                    "r4",
                    "r150",
                    "r151",
                    "r152",
                    "r153",
                    "r163",
                    "r256",
                    "r257",
                    "r281",
                    "r282",
                    "r283",
                    "r284",
                    "r285",
                    "r286",
                    "r348",
                    "r513",
                    "r514",
                    "r515",
                    "r516",
                    "r517",
                    "r518",
                    "r519",
                    "r520",
                    "r561",
                    "r562",
                    "r563",
                    "r564",
                    "r649",
                    "r650",
                    "r651",
                    "r652",
                    "r653",
                    "r654",
                    "r655",
                    "r656",
                    "r657",
                    "r658",
                    "r659",
                    "r679",
                    "r680",
                    "r681",
                    "r682",
                    "r683",
                    "r684",
                    "r685",
                    "r686",
                    "r718",
                    "r763",
                    "r764",
                    "r765",
                    "r830",
                    "r831",
                    "r832",
                    "r833",
                    "r834",
                    "r835",
                    "r836",
                    "r837",
                    "r838",
                    "r839",
                    "r840",
                    "r841",
                    "r884",
                    "r885",
                    "r886",
                    "r887",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by amendment to accounting standards.",
                            "label":  "Accounting Standards Update [Axis]",
                            "terseLabel":  "Adjustments for New Accounting Pronouncements [Axis]"
                            }
                        }
                    },
                "localname":  "AdjustmentsForNewAccountingPronouncementsAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock":  {
                "auth_ref":  [
                    "r407",
                    "r419",
                    "r426"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease (increase) in additional paid in capital (APIC) for the increase in carrying amount of redeemable preferred stock.",
                            "label":  "Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock",
                            "negatedLabel":  "Adjustment to the carrying value of redeemable noncontrolling interests"
                            }
                        }
                    },
                "localname":  "AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":  {
                "auth_ref":  [
                    "r480",
                    "r482",
                    "r523",
                    "r524"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.",
                            "label":  "APIC, Share-based Payment Arrangement, Increase for Cost Recognition",
                            "terseLabel":  "Share-based compensation"
                            }
                        }
                    },
                "localname":  "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
                            "verboseLabel":  "Adjustments to reconcile net income to net cash provided by operating activities:"
                            }
                        }
                    },
                "localname":  "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AdvertisingCostsPolicyTextBlock":  {
                "auth_ref":  [
                    "r526"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for advertising cost.",
                            "label":  "Advertising Cost [Policy Text Block]",
                            "terseLabel":  "Advertising Costs"
                            }
                        }
                    },
                "localname":  "AdvertisingCostsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_AdvertisingExpense":  {
                "auth_ref":  [
                    "r527"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.",
                            "label":  "Advertising Expense",
                            "terseLabel":  "Advertising costs"
                            }
                        }
                    },
                "localname":  "AdvertisingExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeAdvertisingCostsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AllocatedShareBasedCompensationExpense":  {
                "auth_ref":  [
                    "r482",
                    "r509",
                    "r522"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expense for award under share-based payment arrangement.  Excludes amount capitalized.",
                            "label":  "Share-based Payment Arrangement, Expense",
                            "terseLabel":  "Share-based compensation expense",
                            "verboseLabel":  "Share-based compensation expense, before taxes"
                            }
                        }
                    },
                "localname":  "AllocatedShareBasedCompensationExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after tax, of expense for award under share-based payment arrangement.",
                            "label":  "Share-based Payment Arrangement, Expense, after Tax",
                            "totalLabel":  "Share-based compensation expense, net of taxes"
                            }
                        }
                    },
                "localname":  "AllocatedShareBasedCompensationExpenseNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent":  {
                "auth_ref":  [
                    "r34",
                    "r253",
                    "r287"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AccountsReceivableNetCurrent",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of allowance for credit loss on accounts receivable, classified as current.",
                            "label":  "Accounts Receivable, Allowance for Credit Loss, Current",
                            "negatedTerseLabel":  "Allowance for credit losses"
                            }
                        }
                    },
                "localname":  "AllowanceForDoubtfulAccountsReceivableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccountsReceivableDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AmortizationOfDebtDiscountPremium":  {
                "auth_ref":  [
                    "r100",
                    "r122",
                    "r388",
                    "r697"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  12.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments.  Excludes amortization of financing costs.  Alternate captions include noncash interest expense.",
                            "label":  "Amortization of Debt Discount (Premium)",
                            "verboseLabel":  "Accretion of debt discount on convertible senior notes"
                            }
                        }
                    },
                "localname":  "AmortizationOfDebtDiscountPremium",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AmortizationOfIntangibleAssets":  {
                "auth_ref":  [
                    "r122",
                    "r313",
                    "r323"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.  As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.",
                            "label":  "Amortization of Intangible Assets",
                            "verboseLabel":  "Amortization of intangible assets"
                            }
                        }
                    },
                "localname":  "AmortizationOfIntangibleAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_Assets":  {
                "auth_ref":  [
                    "r137",
                    "r215",
                    "r228",
                    "r235",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r353",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r613",
                    "r623",
                    "r678",
                    "r724",
                    "r726",
                    "r781",
                    "r811"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized.  Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
                            "label":  "Assets",
                            "terseLabel":  "Consolidated total assets",
                            "totalLabel":  "Total assets"
                            }
                        }
                    },
                "localname":  "Assets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AssetsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Assets [Abstract]",
                            "verboseLabel":  "ASSETS"
                            }
                        }
                    },
                "localname":  "AssetsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AssetsCurrent":  {
                "auth_ref":  [
                    "r11",
                    "r12",
                    "r64",
                    "r137",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r353",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r613",
                    "r623",
                    "r678",
                    "r724",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer).  Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
                            "label":  "Assets, Current",
                            "totalLabel":  "Total current assets"
                            }
                        }
                    },
                "localname":  "AssetsCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AssetsCurrentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Assets, Current [Abstract]",
                            "verboseLabel":  "Current assets:"
                            }
                        }
                    },
                "localname":  "AssetsCurrentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AssetsFairValueDisclosure":  {
                "auth_ref":  [
                    "r660"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
                            "label":  "Assets, Fair Value Disclosure",
                            "totalLabel":  "Total assets measured at fair value"
                            }
                        }
                    },
                "localname":  "AssetsFairValueDisclosure",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AssetsFairValueDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Assets, Fair Value Disclosure [Abstract]",
                            "verboseLabel":  "Assets:"
                            }
                        }
                    },
                "localname":  "AssetsFairValueDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AssetsNet":  {
                "auth_ref":  [
                    "r7",
                    "r845",
                    "r846",
                    "r848",
                    "r849"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of net assets (liabilities).",
                            "label":  "Net Assets",
                            "terseLabel":  "Net assets"
                            }
                        }
                    },
                "localname":  "AssetsNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":  {
                "auth_ref":  [
                    "r263"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax",
                            "terseLabel":  "Gross Unrealized Gains"
                            }
                        }
                    },
                "localname":  "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis":  {
                "auth_ref":  [
                    "r261",
                    "r293"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Debt Securities, Available-for-sale, Amortized Cost",
                            "totalLabel":  "Amortized Cost"
                            }
                        }
                    },
                "localname":  "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AvailableForSaleSecuritiesDebtSecurities":  {
                "auth_ref":  [
                    "r258",
                    "r262",
                    "r293",
                    "r788"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Debt Securities, Available-for-sale",
                            "terseLabel":  "Estimated Fair Value",
                            "verboseLabel":  "Available-for-sale securities"
                            }
                        }
                    },
                "localname":  "AvailableForSaleSecuritiesDebtSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AwardTypeAxis":  {
                "auth_ref":  [
                    "r483",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of award under share-based payment arrangement.",
                            "label":  "Award Type [Axis]",
                            "terseLabel":  "Award Type [Axis]"
                            }
                        }
                    },
                "localname":  "AwardTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BuildingMember":  {
                "auth_ref":  [
                    "r329"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities.",
                            "label":  "Building [Member]",
                            "terseLabel":  "Buildings"
                            }
                        }
                    },
                "localname":  "BuildingMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_BusinessAcquisitionAcquireeDomain":  {
                "auth_ref":  [
                    "r475",
                    "r477"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.",
                            "label":  "Business Acquisition, Acquiree [Domain]",
                            "terseLabel":  "Business Acquisition, Acquiree [Domain]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionAcquireeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_BusinessAcquisitionAxis":  {
                "auth_ref":  [
                    "r475",
                    "r477",
                    "r584",
                    "r585"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by business combination or series of individually immaterial business combinations.",
                            "label":  "Business Acquisition [Axis]",
                            "terseLabel":  "Business Acquisition [Axis]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued":  {
                "auth_ref":  [
                    "r603"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of equity interests issued or issuable to acquire entity.",
                            "label":  "Business Acquisition, Equity Interest Issued or Issuable, Number of Shares",
                            "terseLabel":  "Business acquisition, common stock issued (in shares)"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_BusinessAcquisitionProFormaInformationTextBlock":  {
                "auth_ref":  [
                    "r582",
                    "r583"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.",
                            "label":  "Business Acquisition, Pro Forma Information [Table Text Block]",
                            "terseLabel":  "Schedule of Unaudited Pro Forma Information"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionProFormaInformationTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_BusinessAcquisitionSharePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.",
                            "label":  "Business Acquisition, Share Price",
                            "terseLabel":  "Share price (in dollars per share)"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionSharePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss":  {
                "auth_ref":  [
                    "r582",
                    "r583"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.",
                            "label":  "Business Acquisition, Pro Forma Net Income (Loss)",
                            "terseLabel":  "Net income"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionsProFormaNetIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessAcquisitionsProFormaRevenue":  {
                "auth_ref":  [
                    "r582",
                    "r583"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.",
                            "label":  "Business Acquisition, Pro Forma Revenue",
                            "terseLabel":  "Revenue"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionsProFormaRevenue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationAcquisitionRelatedCosts":  {
                "auth_ref":  [
                    "r579"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period.  Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.",
                            "label":  "Business Combination, Acquisition Related Costs",
                            "terseLabel":  "Acquisition related costs"
                            }
                        }
                    },
                "localname":  "BusinessCombinationAcquisitionRelatedCosts",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationConsiderationTransferred1":  {
                "auth_ref":  [
                    "r596",
                    "r597",
                    "r600"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.",
                            "label":  "Business Combination, Consideration Transferred",
                            "totalLabel":  "Total purchase price"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferred1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable":  {
                "auth_ref":  [
                    "r596",
                    "r597"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.",
                            "label":  "Business Combination, Consideration Transferred, Equity Interests Issued and Issuable",
                            "terseLabel":  "Fair value of common stock issued"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred":  {
                "auth_ref":  [
                    "r594",
                    "r596",
                    "r597",
                    "r602"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.",
                            "label":  "Business Combination, Consideration Transferred, Liabilities Incurred",
                            "terseLabel":  "Fair value of contingent consideration"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredLiabilitiesIncurred",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1":  {
                "auth_ref":  [
                    "r121",
                    "r606"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  14.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability",
                            "negatedLabel":  "Change in fair value of contingent consideration liabilities",
                            "terseLabel":  "Change in fair value of contingent consideration liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh":  {
                "auth_ref":  [
                    "r605"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High",
                            "terseLabel":  "Maximum amount payable to PacBio"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationLiability":  {
                "auth_ref":  [
                    "r595",
                    "r598",
                    "r604"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LiabilitiesFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liability recognized arising from contingent consideration in a business combination.",
                            "label":  "Business Combination, Contingent Consideration, Liability",
                            "terseLabel":  "Contingent consideration liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiability",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent":  {
                "auth_ref":  [
                    "r595",
                    "r599"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.",
                            "label":  "Business Combination, Contingent Consideration, Liability, Current",
                            "terseLabel":  "Contingent consideration liabilities, current portion"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiabilityCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent":  {
                "auth_ref":  [
                    "r595",
                    "r599"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.",
                            "label":  "Business Combination, Contingent Consideration, Liability, Noncurrent",
                            "terseLabel":  "Contingent consideration, noncurrent"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiabilityNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred":  {
                "auth_ref":  [
                    "r589"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete.",
                            "label":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred",
                            "negatedTotalLabel":  "Measurement period adjustments, Total net assets acquired"
                            }
                        }
                    },
                "localname":  "BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles":  {
                "auth_ref":  [
                    "r589"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.",
                            "label":  "Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles",
                            "terseLabel":  "Measurement period adjustments, intangibles"
                            }
                        }
                    },
                "localname":  "BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents":  {
                "auth_ref":  [
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date.  Includes other kinds of accounts that have the general characteristics of demand deposits.  Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents",
                            "terseLabel":  "Cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities":  {
                "auth_ref":  [
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities",
                            "negatedTerseLabel":  "Deferred tax liability"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets":  {
                "auth_ref":  [
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets",
                            "terseLabel":  "Indefinite lived intangible assets acquired"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill":  {
                "auth_ref":  [
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of intangible assets, excluding goodwill, acquired at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill",
                            "terseLabel":  "Intangible assets",
                            "totalLabel":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles":  {
                "auth_ref":  [
                    "r586",
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of identifiable intangible assets recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles",
                            "terseLabel":  "Finite-lived intangible assets acquired"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r586",
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of property, plant, and equipment recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment",
                            "terseLabel":  "Property and equipment"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet":  {
                "auth_ref":  [
                    "r587"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net",
                            "totalLabel":  "Total net assets acquired"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1":  {
                "auth_ref":  [
                    "r580"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.",
                            "label":  "Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value",
                            "terseLabel":  "Equity investment"
                            }
                        }
                    },
                "localname":  "BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.",
                            "label":  "Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage",
                            "terseLabel":  "Equity ownership percentage"
                            }
                        }
                    },
                "localname":  "BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain":  {
                "auth_ref":  [
                    "r581"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.",
                            "label":  "Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain",
                            "terseLabel":  "Gain on previously held investment in GRAIL"
                            }
                        }
                    },
                "localname":  "BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationsPolicy":  {
                "auth_ref":  [
                    "r577"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for completed business combinations (purchase method, acquisition method or combination of entities under common control).  This accounting policy may include a general discussion of the purchase method or acquisition method of accounting (including for example, the treatment accorded contingent consideration, the identification of assets and liabilities, the purchase price allocation process, how the fair values of acquired assets and liabilities are determined) and the entity's specific application thereof.  An entity that acquires another entity in a leveraged buyout transaction generally discloses the accounting policy followed by the acquiring entity in determining the basis used to value its interest in the acquired entity, and the rationale for that accounting policy.",
                            "label":  "Business Combinations Policy [Policy Text Block]",
                            "terseLabel":  "Business Combinations"
                            }
                        }
                    },
                "localname":  "BusinessCombinationsPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_CapitalExpendituresIncurredButNotYetPaid":  {
                "auth_ref":  [
                    "r127",
                    "r128",
                    "r129"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Future cash outflow to pay for purchases of fixed assets that have occurred.",
                            "label":  "Capital Expenditures Incurred but Not yet Paid",
                            "terseLabel":  "Non-cash expenditures included in property and equipment, net"
                            }
                        }
                    },
                "localname":  "CapitalExpendituresIncurredButNotYetPaid",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsNarrativePropertyandEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashAndCashEquivalentsFairValueDisclosure":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value portion of currency on hand as well as demand deposits with banks or financial institutions.  Includes other kinds of accounts that have the general characteristics of demand deposits.  Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Cash and Cash Equivalents, Fair Value Disclosure",
                            "terseLabel":  "Money market funds (cash equivalents)"
                            }
                        }
                    },
                "localname":  "CashAndCashEquivalentsFairValueDisclosure",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashAndCashEquivalentsPolicyTextBlock":  {
                "auth_ref":  [
                    "r17",
                    "r125"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents.  Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.",
                            "label":  "Cash and Cash Equivalents, Policy [Policy Text Block]",
                            "terseLabel":  "Cash Equivalents"
                            }
                        }
                    },
                "localname":  "CashAndCashEquivalentsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":  {
                "auth_ref":  [
                    "r119",
                    "r124",
                    "r130"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage.  Excludes amount for disposal group and discontinued operations.  Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.  Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
                            "periodEndLabel":  "Cash and cash equivalents at end of year",
                            "periodStartLabel":  "Cash and cash equivalents at beginning of year",
                            "terseLabel":  "Cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":  {
                "auth_ref":  [
                    "r119",
                    "r687"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change.  Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.  Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
                            "totalLabel":  "Net (decrease) increase in cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashDivestedFromDeconsolidation":  {
                "auth_ref":  [
                    "r109"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reduction in cash due to no longer including the former subsidiary's cash in the consolidated entity's cash.",
                            "label":  "Cash Divested from Deconsolidation",
                            "negatedTerseLabel":  "Deconsolidation of Helix cash"
                            }
                        }
                    },
                "localname":  "CashDivestedFromDeconsolidation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ClassOfStockDomain":  {
                "auth_ref":  [
                    "r135",
                    "r137",
                    "r166",
                    "r170",
                    "r173",
                    "r175",
                    "r177",
                    "r185",
                    "r186",
                    "r187",
                    "r280",
                    "r349",
                    "r354",
                    "r355",
                    "r356",
                    "r362",
                    "r363",
                    "r412",
                    "r413",
                    "r416",
                    "r417",
                    "r678",
                    "r875"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share of stock differentiated by the voting rights the holder receives.  Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
                            "label":  "Class of Stock [Domain]",
                            "terseLabel":  "Class of Stock [Domain]"
                            }
                        }
                    },
                "localname":  "ClassOfStockDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ClassOfStockLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Class of Stock [Line Items]",
                            "terseLabel":  "Class of Stock [Line Items]"
                            }
                        }
                    },
                "localname":  "ClassOfStockLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CommitmentsAndContingencies":  {
                "auth_ref":  [
                    "r57",
                    "r337",
                    "r790",
                    "r817"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
                            "label":  "Commitments and Contingencies",
                            "terseLabel":  "Commitments and contingencies"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingencies",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CommitmentsAndContingenciesDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Commitments and Contingencies Disclosure [Abstract]",
                            "terseLabel":  "Commitments and Contingencies Disclosure [Abstract]"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingenciesDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CommonStockMember":  {
                "auth_ref":  [
                    "r146",
                    "r147",
                    "r657"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock that is subordinate to all other stock of the issuer.",
                            "label":  "Common Stock [Member]",
                            "terseLabel":  "Common Stock",
                            "verboseLabel":  "Common Stock"
                            }
                        }
                    },
                "localname":  "CommonStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CommonStockParOrStatedValuePerShare":  {
                "auth_ref":  [
                    "r28"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Face amount or stated value per share of common stock.",
                            "label":  "Common Stock, Par or Stated Value Per Share",
                            "terseLabel":  "Common stock, par value (in dollars per share)"
                            }
                        }
                    },
                "localname":  "CommonStockParOrStatedValuePerShare",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_CommonStockSharesAuthorized":  {
                "auth_ref":  [
                    "r28"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
                            "label":  "Common Stock, Shares Authorized",
                            "terseLabel":  "Common stock, shares authorized (in shares)"
                            }
                        }
                    },
                "localname":  "CommonStockSharesAuthorized",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockSharesIssued":  {
                "auth_ref":  [
                    "r28"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury).  These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized.  Shares issued include shares outstanding and shares held in the treasury.",
                            "label":  "Common Stock, Shares, Issued",
                            "terseLabel":  "Common stock, shares issued (in shares)"
                            }
                        }
                    },
                "localname":  "CommonStockSharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockSharesOutstanding":  {
                "auth_ref":  [
                    "r28",
                    "r419"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of common stock outstanding.  Common stock represent the ownership interest in a corporation.",
                            "label":  "Common Stock, Shares, Outstanding",
                            "terseLabel":  "Common stock, shares outstanding (in shares)"
                            }
                        }
                    },
                "localname":  "CommonStockSharesOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockValue":  {
                "auth_ref":  [
                    "r28",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer).  This item includes treasury stock repurchased by the entity.  Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
                            "label":  "Common Stock, Value, Issued",
                            "verboseLabel":  "Common stock, $0.01\u00a0par value, 320\u00a0million\u00a0shares authorized; 197\u00a0million shares issued and 157\u00a0million outstanding at January 2, 2022; 195\u00a0million\u00a0shares issued and 146\u00a0million outstanding at January 3, 2021"
                            }
                        }
                    },
                "localname":  "CommonStockValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock":  {
                "auth_ref":  [
                    "r463",
                    "r464",
                    "r479",
                    "r525"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.",
                            "label":  "Compensation and Employee Benefit Plans [Text Block]",
                            "terseLabel":  "Employee Benefit Plans"
                            }
                        }
                    },
                "localname":  "CompensationAndEmployeeBenefitPlansTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlans"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ComponentsOfDeferredTaxAssetsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Components of Deferred Tax Assets [Abstract]",
                            "terseLabel":  "Deferred tax assets:"
                            }
                        }
                    },
                "localname":  "ComponentsOfDeferredTaxAssetsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ComprehensiveIncomeNetOfTax":  {
                "auth_ref":  [
                    "r74",
                    "r76",
                    "r77",
                    "r88",
                    "r795",
                    "r821"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity.  Excludes changes in equity resulting from investments by owners and distributions to owners.",
                            "label":  "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
                            "totalLabel":  "Comprehensive income attributable to Illumina stockholders"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomeNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest":  {
                "auth_ref":  [
                    "r74",
                    "r76",
                    "r87",
                    "r611",
                    "r612",
                    "r630",
                    "r794",
                    "r820"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTax",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests.  Excludes changes in equity resulting from investments by owners and distributions to owners.",
                            "label":  "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest",
                            "negatedTerseLabel":  "Add:  Comprehensive loss attributable to noncontrolling interests"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest":  {
                "auth_ref":  [
                    "r74",
                    "r76",
                    "r86",
                    "r610",
                    "r630",
                    "r793",
                    "r819"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTax",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income.  Excludes changes in equity resulting from investments by owners and distributions to owners.",
                            "label":  "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest",
                            "totalLabel":  "Total consolidated comprehensive income"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ComputerEquipmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems.",
                            "label":  "Computer Equipment [Member]",
                            "terseLabel":  "Computer hardware and software"
                            }
                        }
                    },
                "localname":  "ComputerEquipmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConcentrationRiskBenchmarkDomain":  {
                "auth_ref":  [
                    "r195",
                    "r196",
                    "r244",
                    "r675",
                    "r676",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The denominator in a calculation of a disclosed concentration risk percentage.",
                            "label":  "Concentration Risk Benchmark [Domain]",
                            "terseLabel":  "Concentration Risk Benchmark [Domain]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskBenchmarkDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConcentrationRiskByBenchmarkAxis":  {
                "auth_ref":  [
                    "r195",
                    "r196",
                    "r244",
                    "r675",
                    "r676",
                    "r844",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by benchmark of concentration risk.",
                            "label":  "Concentration Risk Benchmark [Axis]",
                            "terseLabel":  "Concentration Risk Benchmark [Axis]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskByBenchmarkAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskByTypeAxis":  {
                "auth_ref":  [
                    "r195",
                    "r196",
                    "r244",
                    "r675",
                    "r676",
                    "r844",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.",
                            "label":  "Concentration Risk Type [Axis]",
                            "terseLabel":  "Concentration Risk Type [Axis]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskCreditRisk":  {
                "auth_ref":  [
                    "r190",
                    "r807"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for credit risk.",
                            "label":  "Concentration Risk, Credit Risk, Policy [Policy Text Block]",
                            "terseLabel":  "Concentrations of Risk"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskCreditRisk",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConcentrationRiskLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Concentration Risk [Line Items]",
                            "terseLabel":  "Concentration Risk [Line Items]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskPercentage1":  {
                "auth_ref":  [
                    "r195",
                    "r196",
                    "r244",
                    "r675",
                    "r676"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.",
                            "label":  "Concentration Risk, Percentage",
                            "terseLabel":  "Concentration percent"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskPercentage1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ConcentrationRiskTable":  {
                "auth_ref":  [
                    "r193",
                    "r195",
                    "r196",
                    "r197",
                    "r675",
                    "r677",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.",
                            "label":  "Concentration Risk [Table]",
                            "terseLabel":  "Concentration Risk [Table]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskTypeDomain":  {
                "auth_ref":  [
                    "r195",
                    "r196",
                    "r244",
                    "r675",
                    "r676",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.",
                            "label":  "Concentration Risk Type [Domain]",
                            "terseLabel":  "Concentration Risk Type [Domain]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConsolidationPolicyTextBlock":  {
                "auth_ref":  [
                    "r131",
                    "r615"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.",
                            "label":  "Consolidation, Policy [Policy Text Block]",
                            "verboseLabel":  "Basis of Presentation"
                            }
                        }
                    },
                "localname":  "ConsolidationPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConsolidationVariableInterestEntityPolicy":  {
                "auth_ref":  [
                    "r622",
                    "r626",
                    "r627"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).",
                            "label":  "Consolidation, Variable Interest Entity, Policy [Policy Text Block]",
                            "terseLabel":  "Variable Interest Entities (VIEs)"
                            }
                        }
                    },
                "localname":  "ConsolidationVariableInterestEntityPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConstructionInProgressMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Structure or a modification to a structure under construction.  Includes recently completed structures or modifications to structures that have not been placed into service.",
                            "label":  "Construction in Progress [Member]",
                            "terseLabel":  "Construction in progress"
                            }
                        }
                    },
                "localname":  "ConstructionInProgressMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ContingentConsiderationByTypeAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of contingent consideration.",
                            "label":  "Contingent Consideration by Type [Axis]",
                            "terseLabel":  "Contingent Consideration by Type [Axis]"
                            }
                        }
                    },
                "localname":  "ContingentConsiderationByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ContingentConsiderationTypeDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Description of contingent payment arrangement.",
                            "label":  "Contingent Consideration Type [Domain]",
                            "terseLabel":  "Contingent Consideration Type [Domain]"
                            }
                        }
                    },
                "localname":  "ContingentConsiderationTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ContractWithCustomerAssetNet":  {
                "auth_ref":  [
                    "r431",
                    "r433",
                    "r454"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.",
                            "label":  "Contract with Customer, Asset, after Allowance for Credit Loss",
                            "terseLabel":  "Contract asset"
                            }
                        }
                    },
                "localname":  "ContractWithCustomerAssetNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ContractWithCustomerAssetNetCurrent":  {
                "auth_ref":  [
                    "r431",
                    "r433",
                    "r454"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
                            "label":  "Contract with Customer, Asset, after Allowance for Credit Loss, Current",
                            "terseLabel":  "Contract asset, current portion"
                            }
                        }
                    },
                "localname":  "ContractWithCustomerAssetNetCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ContractWithCustomerLiability":  {
                "auth_ref":  [
                    "r431",
                    "r432",
                    "r454"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.",
                            "label":  "Contract with Customer, Liability",
                            "terseLabel":  "Contract liability"
                            }
                        }
                    },
                "localname":  "ContractWithCustomerLiability",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ContractWithCustomerLiabilityCurrent":  {
                "auth_ref":  [
                    "r431",
                    "r432",
                    "r454"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
                            "label":  "Contract with Customer, Liability, Current",
                            "terseLabel":  "Contract liabilities, current portion",
                            "verboseLabel":  "Contract liabilities, current portion"
                            }
                        }
                    },
                "localname":  "ContractWithCustomerLiabilityCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueNarrativeDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ContractWithCustomerLiabilityRevenueRecognized":  {
                "auth_ref":  [
                    "r455"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.",
                            "label":  "Contract with Customer, Liability, Revenue Recognized",
                            "terseLabel":  "Revenue recognized, previously deferred"
                            }
                        }
                    },
                "localname":  "ContractWithCustomerLiabilityRevenueRecognized",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ConvertibleDebt":  {
                "auth_ref":  [
                    "r23",
                    "r784",
                    "r812"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.",
                            "label":  "Convertible Debt",
                            "terseLabel":  "Convertible debt"
                            }
                        }
                    },
                "localname":  "ConvertibleDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ConvertibleDebtCurrent":  {
                "auth_ref":  [
                    "r20"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer.  Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.",
                            "label":  "Convertible Debt, Current",
                            "terseLabel":  "Convertible senior notes, current portion"
                            }
                        }
                    },
                "localname":  "ConvertibleDebtCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ConvertibleDebtFairValueDisclosures":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.",
                            "label":  "Convertible Debt, Fair Value Disclosures",
                            "terseLabel":  "Debt, fair value"
                            }
                        }
                    },
                "localname":  "ConvertibleDebtFairValueDisclosures",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ConvertibleDebtMember":  {
                "auth_ref":  [
                    "r364",
                    "r365",
                    "r366",
                    "r368",
                    "r378",
                    "r379",
                    "r380",
                    "r384",
                    "r385",
                    "r386",
                    "r387",
                    "r388",
                    "r399",
                    "r400",
                    "r401",
                    "r402"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.",
                            "label":  "Convertible Debt [Member]",
                            "terseLabel":  "Convertible Senior Notes",
                            "verboseLabel":  "Convertible Senior Notes"
                            }
                        }
                    },
                "localname":  "ConvertibleDebtMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConvertibleDebtNoncurrent":  {
                "auth_ref":  [
                    "r55"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer.  The debt is convertible into another form of financial instrument, typically the entity's common stock.",
                            "label":  "Convertible Debt, Noncurrent",
                            "terseLabel":  "Convertible senior notes"
                            }
                        }
                    },
                "localname":  "ConvertibleDebtNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CorporateDebtSecuritiesMember":  {
                "auth_ref":  [
                    "r466",
                    "r474",
                    "r843"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt securities issued by domestic or foreign corporate business, banks and other entities with a promise of repayment.",
                            "label":  "Corporate Debt Securities [Member]",
                            "terseLabel":  "Corporate debt securities",
                            "verboseLabel":  "Corporate debt securities"
                            }
                        }
                    },
                "localname":  "CorporateDebtSecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CostOfGoodsAndServicesSold":  {
                "auth_ref":  [
                    "r94",
                    "r761"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_CostOfRevenue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period.  This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.",
                            "label":  "Cost of Goods and Services Sold",
                            "terseLabel":  "Cost of revenue"
                            }
                        }
                    },
                "localname":  "CostOfGoodsAndServicesSold",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CostOfGoodsAndServicesSoldAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Cost of Goods and Services Sold [Abstract]",
                            "verboseLabel":  "Cost of revenue:"
                            }
                        }
                    },
                "localname":  "CostOfGoodsAndServicesSoldAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CostOfGoodsAndServicesSoldAmortization":  {
                "auth_ref":  [
                    "r91"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_CostOfRevenue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.",
                            "label":  "Cost, Amortization",
                            "verboseLabel":  "Amortization of acquired intangible assets"
                            }
                        }
                    },
                "localname":  "CostOfGoodsAndServicesSoldAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CostOfRevenue":  {
                "auth_ref":  [
                    "r95",
                    "r137",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r678"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_GrossProfit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate cost of goods produced and sold and services rendered during the reporting period.",
                            "label":  "Cost of Revenue",
                            "totalLabel":  "Total cost of revenue"
                            }
                        }
                    },
                "localname":  "CostOfRevenue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CreditConcentrationRiskMember":  {
                "auth_ref":  [
                    "r677"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reflects the percentage that a specified receivable or amount at risk from a counterparty under a contractual arrangement is to a specified benchmark, such as total receivables, net revenues, pretax results.  Risk is the materially adverse effects of loss attributable to (a) the failure to collect a significant receivable from a major customer or group of homogeneous accounts, or (b) a failure by a counterparty to perform under terms of a contractual arrangement.",
                            "label":  "Credit Concentration Risk [Member]",
                            "terseLabel":  "Credit Concentration Risk"
                            }
                        }
                    },
                "localname":  "CreditConcentrationRiskMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CreditFacilityAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of credit facility.  Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
                            "label":  "Credit Facility [Axis]",
                            "terseLabel":  "Credit Facility [Axis]"
                            }
                        }
                    },
                "localname":  "CreditFacilityAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CreditFacilityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Type of credit facility.  Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
                            "label":  "Credit Facility [Domain]",
                            "terseLabel":  "Credit Facility [Domain]"
                            }
                        }
                    },
                "localname":  "CreditFacilityDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CurrentFederalTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r558",
                    "r567"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current Federal Tax Expense (Benefit)",
                            "terseLabel":  "Federal"
                            }
                        }
                    },
                "localname":  "CurrentFederalTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentForeignTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r558"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current Foreign Tax Expense (Benefit)",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "CurrentForeignTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r558",
                    "r567",
                    "r569"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.",
                            "label":  "Current Income Tax Expense (Benefit)",
                            "totalLabel":  "Total current provision"
                            }
                        }
                    },
                "localname":  "CurrentIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]",
                            "terseLabel":  "Current:"
                            }
                        }
                    },
                "localname":  "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CurrentStateAndLocalTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r558",
                    "r567"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current State and Local Tax Expense (Benefit)",
                            "terseLabel":  "State"
                            }
                        }
                    },
                "localname":  "CurrentStateAndLocalTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CustomerRelationshipsMember":  {
                "auth_ref":  [
                    "r591"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.",
                            "label":  "Customer Relationships [Member]",
                            "terseLabel":  "Customer relationships"
                            }
                        }
                    },
                "localname":  "CustomerRelationshipsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DebtConversionConvertedInstrumentAmount1":  {
                "auth_ref":  [
                    "r127",
                    "r129"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
                            "label":  "Debt Conversion, Converted Instrument, Amount",
                            "terseLabel":  "Conversion value over principal amount, paid in shares of common stock"
                            }
                        }
                    },
                "localname":  "DebtConversionConvertedInstrumentAmount1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtConversionConvertedInstrumentSharesIssued1":  {
                "auth_ref":  [
                    "r127",
                    "r129"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or payments in the period.",
                            "label":  "Debt Conversion, Converted Instrument, Shares Issued",
                            "terseLabel":  "Number of shares of common stock issued upon conversion (in shares)"
                            }
                        }
                    },
                "localname":  "DebtConversionConvertedInstrumentSharesIssued1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_DebtConversionOriginalDebtAmount1":  {
                "auth_ref":  [
                    "r127",
                    "r129"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of the original debt being converted in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
                            "label":  "Debt Conversion, Original Debt, Amount",
                            "terseLabel":  "Cash paid for principal of notes converted"
                            }
                        }
                    },
                "localname":  "DebtConversionOriginalDebtAmount1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Debt Disclosure [Abstract]",
                            "terseLabel":  "Debt Disclosure [Abstract]"
                            }
                        }
                    },
                "localname":  "DebtDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtDisclosureTextBlock":  {
                "auth_ref":  [
                    "r134",
                    "r371",
                    "r372",
                    "r373",
                    "r374",
                    "r375",
                    "r376",
                    "r377",
                    "r382",
                    "r389",
                    "r390",
                    "r392",
                    "r405"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
                            "label":  "Debt Disclosure [Text Block]",
                            "verboseLabel":  "Debt and Other Commitments"
                            }
                        }
                    },
                "localname":  "DebtDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitments"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DebtInstrumentAxis":  {
                "auth_ref":  [
                    "r20",
                    "r22",
                    "r23",
                    "r136",
                    "r144",
                    "r365",
                    "r366",
                    "r367",
                    "r368",
                    "r369",
                    "r370",
                    "r372",
                    "r378",
                    "r379",
                    "r380",
                    "r381",
                    "r383",
                    "r384",
                    "r385",
                    "r386",
                    "r387",
                    "r388",
                    "r399",
                    "r400",
                    "r401",
                    "r402",
                    "r700",
                    "r782",
                    "r784",
                    "r809"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
                            "label":  "Debt Instrument [Axis]",
                            "terseLabel":  "Debt Instrument [Axis]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent":  {
                "auth_ref":  [
                    "r393"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.",
                            "label":  "Debt Instrument, Convertible, Carrying Amount of Equity Component",
                            "terseLabel":  "Carrying value of equity component of convertible senior notes, net of debt issuance costs"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtInstrumentConvertibleConversionPrice1":  {
                "auth_ref":  [
                    "r367",
                    "r396"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The price per share of the conversion feature embedded in the debt instrument.",
                            "label":  "Debt Instrument, Convertible, Conversion Price",
                            "terseLabel":  "Conversion price (in dollars per share)"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleConversionPrice1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1":  {
                "auth_ref":  [
                    "r395"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Debt Instrument, Convertible, Remaining Discount Amortization Period",
                            "terseLabel":  "Weighted-average remaining amortization period of discount on the liability component of convertible senior notes"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_DebtInstrumentConvertibleStockPriceTrigger":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.",
                            "label":  "Debt Instrument, Convertible, Stock Price Trigger",
                            "terseLabel":  "Convertible stock price trigger (in dollars per share)"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleStockPriceTrigger",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.",
                            "label":  "Debt Instrument, Convertible, Threshold Consecutive Trading Days",
                            "terseLabel":  "Threshold consecutive common stock trading days"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdConsecutiveTradingDays1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.",
                            "label":  "Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger",
                            "terseLabel":  "Threshold percentage of common stock price trigger"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentConvertibleThresholdTradingDays":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.",
                            "label":  "Debt Instrument, Convertible, Threshold Trading Days",
                            "terseLabel":  "Threshold common stock trading days"
                            }
                        }
                    },
                "localname":  "DebtInstrumentConvertibleThresholdTradingDays",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "us-gaap_DebtInstrumentFaceAmount":  {
                "auth_ref":  [
                    "r365",
                    "r399",
                    "r400",
                    "r698",
                    "r700",
                    "r701"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Face (par) amount of debt instrument at time of issuance.",
                            "label":  "Debt Instrument, Face Amount",
                            "terseLabel":  "Principal amount of notes outstanding",
                            "verboseLabel":  "Principal amount"
                            }
                        }
                    },
                "localname":  "DebtInstrumentFaceAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtInstrumentFairValue":  {
                "auth_ref":  [
                    "r380",
                    "r399",
                    "r400",
                    "r674"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.",
                            "label":  "Debt Instrument, Fair Value Disclosure",
                            "terseLabel":  "Fair value of term notes outstanding (Level 2)"
                            }
                        }
                    },
                "localname":  "DebtInstrumentFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtInstrumentInterestRateEffectivePercentage":  {
                "auth_ref":  [
                    "r54",
                    "r397",
                    "r698",
                    "r700"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.",
                            "label":  "Debt Instrument, Interest Rate, Effective Percentage",
                            "terseLabel":  "Effective interest rate used to measure fair value of convertible senior note"
                            }
                        }
                    },
                "localname":  "DebtInstrumentInterestRateEffectivePercentage",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentInterestRateStatedPercentage":  {
                "auth_ref":  [
                    "r54",
                    "r366"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contractual interest rate for funds borrowed, under the debt agreement.",
                            "label":  "Debt Instrument, Interest Rate, Stated Percentage",
                            "verboseLabel":  "Interest rate on convertible senior notes"
                            }
                        }
                    },
                "localname":  "DebtInstrumentInterestRateStatedPercentage",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Debt Instrument [Line Items]",
                            "terseLabel":  "Debt Instrument [Line Items]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtInstrumentNameDomain":  {
                "auth_ref":  [
                    "r55",
                    "r136",
                    "r144",
                    "r365",
                    "r366",
                    "r367",
                    "r368",
                    "r369",
                    "r370",
                    "r372",
                    "r378",
                    "r379",
                    "r380",
                    "r381",
                    "r383",
                    "r384",
                    "r385",
                    "r386",
                    "r387",
                    "r388",
                    "r399",
                    "r400",
                    "r401",
                    "r402",
                    "r700"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
                            "label":  "Debt Instrument, Name [Domain]",
                            "terseLabel":  "Debt Instrument, Name [Domain]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DebtInstrumentRedemptionPricePercentage":  {
                "auth_ref":  [
                    "r804"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.",
                            "label":  "Debt Instrument, Redemption Price, Percentage",
                            "verboseLabel":  "Redemption price, percentage"
                            }
                        }
                    },
                "localname":  "DebtInstrumentRedemptionPricePercentage",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentTable":  {
                "auth_ref":  [
                    "r55",
                    "r136",
                    "r144",
                    "r365",
                    "r366",
                    "r367",
                    "r368",
                    "r369",
                    "r370",
                    "r372",
                    "r378",
                    "r379",
                    "r380",
                    "r381",
                    "r383",
                    "r384",
                    "r385",
                    "r386",
                    "r387",
                    "r388",
                    "r391",
                    "r399",
                    "r400",
                    "r401",
                    "r402",
                    "r420",
                    "r423",
                    "r424",
                    "r425",
                    "r697",
                    "r698",
                    "r700",
                    "r701",
                    "r805"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation.  These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
                            "label":  "Schedule of Long-term Debt Instruments [Table]",
                            "terseLabel":  "Schedule of Long-term Debt Instruments [Table]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtInstrumentTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Debt Instrument, Term",
                            "terseLabel":  "Debt instrument term"
                            }
                        }
                    },
                "localname":  "DebtInstrumentTerm",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_DebtInstrumentUnamortizedDiscount":  {
                "auth_ref":  [
                    "r378",
                    "r697",
                    "r701"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after accumulated amortization, of debt discount.",
                            "label":  "Debt Instrument, Unamortized Discount",
                            "negatedLabel":  "Unamortized discount of liability component of convertible senior notes"
                            }
                        }
                    },
                "localname":  "DebtInstrumentUnamortizedDiscount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet":  {
                "auth_ref":  [
                    "r378",
                    "r394",
                    "r399",
                    "r400",
                    "r699"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unamortized debt discount (premium) and debt issuance costs.",
                            "label":  "Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net",
                            "negatedLabel":  "Unamortized discounts and debt issuance costs"
                            }
                        }
                    },
                "localname":  "DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtLongtermAndShorttermCombinedAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Represents the aggregate of total long-term debt, including current maturities and short-term debt.",
                            "label":  "Debt, Long-term and Short-term, Combined Amount",
                            "terseLabel":  "Net carrying amount of debt"
                            }
                        }
                    },
                "localname":  "DebtLongtermAndShorttermCombinedAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeconsolidationGainOrLossAmount":  {
                "auth_ref":  [
                    "r621"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  16.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.",
                            "label":  "Deconsolidation, Gain (Loss), Amount",
                            "negatedTerseLabel":  "Gains on deconsolidations",
                            "terseLabel":  "Gains on deconsolidations",
                            "verboseLabel":  "Gains on deconsolidation"
                            }
                        }
                    },
                "localname":  "DeconsolidationGainOrLossAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain":  {
                "auth_ref":  [
                    "r460",
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred compensation that is not equivalent to a defined benefit pension plan or a defined benefit other postretirement benefit plan.  Includes, but is not limited to, employment contracts with one or more selected officers or key employees.  Excludes equity-based compensation plans, defined benefit pension plans and defined benefit other postretirement benefit plans.",
                            "label":  "Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]",
                            "terseLabel":  "Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]"
                            }
                        }
                    },
                "localname":  "DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis":  {
                "auth_ref":  [
                    "r460",
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of deferred compensation that is not equivalent to a defined benefit pension plan or a defined benefit other postretirement benefit plan.  Includes, but is not limited to, employment contracts with one or more selected officers or key employees.  Excludes equity-based compensation plans, defined benefit pension plans and defined benefit other postretirement benefit plans.",
                            "label":  "Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]",
                            "terseLabel":  "Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]"
                            }
                        }
                    },
                "localname":  "DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]",
                            "terseLabel":  "Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]"
                            }
                        }
                    },
                "localname":  "DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements.  Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.",
                            "label":  "Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent",
                            "terseLabel":  "Deferred compensation liability"
                            }
                        }
                    },
                "localname":  "DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Deferred compensation arrangements that are neither equity-based payments, nor pension and other postretirement benefits, with individual employees.  The arrangements (for example, profit sharing, deferred bonus, certain rabbi trusts, perquisites, postemployment benefits, and certain split-dollar life insurance arrangements) are generally based on employment contracts between the entity and one or more selected officers or key employees, which contain a promise by the employer to pay certain amounts or benefits at designated future dates, upon compliance with stipulated requirements.  This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee.  Other \"sub-members\" can be added as necessary.",
                            "label":  "Deferred Compensation, Excluding Share-based Payments and Retirement Benefits [Member]",
                            "terseLabel":  "Deferred Compensation Plan"
                            }
                        }
                    },
                "localname":  "DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements.  Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.",
                            "label":  "Deferred Compensation Liability, Current and Noncurrent",
                            "terseLabel":  "Deferred compensation plan liability"
                            }
                        }
                    },
                "localname":  "DeferredCompensationLiabilityCurrentAndNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredCompensationPlanAssets":  {
                "auth_ref":  [
                    "r47"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.",
                            "label":  "Deferred Compensation Plan Assets",
                            "terseLabel":  "Deferred compensation plan assets"
                            }
                        }
                    },
                "localname":  "DeferredCompensationPlanAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredFederalIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r559",
                    "r567"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Federal Income Tax Expense (Benefit)",
                            "terseLabel":  "Federal"
                            }
                        }
                    },
                "localname":  "DeferredFederalIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredForeignIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r559",
                    "r567"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Foreign Income Tax Expense (Benefit)",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "DeferredForeignIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r138",
                    "r559",
                    "r567",
                    "r568",
                    "r569"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Income Tax Expense (Benefit)",
                            "totalLabel":  "Total deferred (benefit) expense"
                            }
                        }
                    },
                "localname":  "DeferredIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]",
                            "terseLabel":  "Deferred:"
                            }
                        }
                    },
                "localname":  "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DeferredIncomeTaxLiabilities":  {
                "auth_ref":  [
                    "r24",
                    "r25",
                    "r548",
                    "r783",
                    "r808"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences.",
                            "label":  "Deferred Tax Liabilities, Gross",
                            "negatedTotalLabel":  "Total deferred tax liabilities"
                            }
                        }
                    },
                "localname":  "DeferredIncomeTaxLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r138",
                    "r559",
                    "r567"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred State and Local Income Tax Expense (Benefit)",
                            "terseLabel":  "State"
                            }
                        }
                    },
                "localname":  "DeferredStateAndLocalIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetDomain":  {
                "auth_ref":  [
                    "r550"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identification of the deferred tax asset for which a valuation reserve exists.",
                            "label":  "Deferred Tax Asset [Domain]",
                            "terseLabel":  "Deferred Tax Asset [Domain]"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DeferredTaxAssetsGross":  {
                "auth_ref":  [
                    "r549"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
                            "label":  "Deferred Tax Assets, Gross",
                            "totalLabel":  "Total gross deferred tax assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsGross",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsNet":  {
                "auth_ref":  [
                    "r551"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredTaxLiabilities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
                            "label":  "Deferred Tax Assets, Net of Valuation Allowance",
                            "totalLabel":  "Total deferred tax assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.",
                            "label":  "Deferred Tax Assets, Operating Loss Carryforwards",
                            "terseLabel":  "Net operating losses"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOperatingLossCarryforwards",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsOther":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.",
                            "label":  "Deferred Tax Assets, Other",
                            "terseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOther",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards":  {
                "auth_ref":  [
                    "r554",
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.",
                            "label":  "Deferred Tax Assets, Tax Credit Carryforwards",
                            "terseLabel":  "Tax credits"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxCreditCarryforwards",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.",
                            "label":  "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost",
                            "terseLabel":  "Stock compensation"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from provisions, reserves, allowances, and accruals, classified as other.",
                            "label":  "Deferred Tax Assets, Tax Deferred Expense, Other",
                            "terseLabel":  "Other amortization"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxDeferredExpenseOther",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other.",
                            "label":  "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other",
                            "terseLabel":  "Other accruals and reserves"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsValuationAllowance":  {
                "auth_ref":  [
                    "r550"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.",
                            "label":  "Deferred Tax Assets, Valuation Allowance",
                            "negatedTerseLabel":  "Valuation allowance on deferred tax assets",
                            "terseLabel":  "Valuation allowance on deferred tax assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsValuationAllowance",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails",
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilities":  {
                "auth_ref":  [
                    "r533",
                    "r551"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.",
                            "label":  "Deferred Tax Liabilities, Net",
                            "negatedLabel":  "Deferred tax liabilities",
                            "totalLabel":  "Deferred tax liabilities, net"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Deferred Tax Liabilities, Gross [Abstract]",
                            "terseLabel":  "Deferred tax liabilities:"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesFinancingArrangements":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from financing arrangements.",
                            "label":  "Deferred Tax Liabilities, Financing Arrangements",
                            "negatedTerseLabel":  "Convertible debt"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesFinancingArrangements",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.",
                            "label":  "Deferred Tax Liabilities, Intangible Assets",
                            "negatedTerseLabel":  "Purchased intangible amortization"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesInvestments":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).",
                            "label":  "Deferred Tax Liabilities, Investments",
                            "negatedTerseLabel":  "Investments"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesOther":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences classified as other.",
                            "label":  "Deferred Tax Liabilities, Other",
                            "negatedTerseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesOther",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r556",
                    "r557"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.",
                            "label":  "Deferred Tax Liabilities, Property, Plant and Equipment",
                            "negatedTerseLabel":  "Property and equipment"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings":  {
                "auth_ref":  [
                    "r556"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile.  Includes, but is not limited to, other basis differences.",
                            "label":  "Deferred Tax Liabilities, Undistributed Foreign Earnings",
                            "terseLabel":  "Deferred tax liability for undistributed foreign earnings"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesUndistributedForeignEarnings",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of discretionary contributions made by an employer to a defined contribution plan.",
                            "label":  "Defined Contribution Plan, Employer Discretionary Contribution Amount",
                            "terseLabel":  "Matching contributions"
                            }
                        }
                    },
                "localname":  "DefinedContributionPlanEmployerDiscretionaryContributionAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_Depreciation":  {
                "auth_ref":  [
                    "r122",
                    "r328"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives.  Includes production and non-production related depreciation.",
                            "label":  "Depreciation",
                            "verboseLabel":  "Depreciation expense"
                            }
                        }
                    },
                "localname":  "Depreciation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DepreciationDepletionAndAmortization":  {
                "auth_ref":  [
                    "r122",
                    "r210"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.",
                            "label":  "Depreciation, Depletion and Amortization",
                            "terseLabel":  "Consolidated depreciation and amortization"
                            }
                        }
                    },
                "localname":  "DepreciationDepletionAndAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DerivativeAssets":  {
                "auth_ref":  [
                    "r65",
                    "r66",
                    "r67",
                    "r674"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.  Includes assets not subject to a master netting arrangement and not elected to be offset.",
                            "label":  "Derivative Asset",
                            "terseLabel":  "Derivative assets related to terminated acquisition"
                            }
                        }
                    },
                "localname":  "DerivativeAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DerivativeContractTypeDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.",
                            "label":  "Derivative Contract [Domain]",
                            "terseLabel":  "Derivative Contract [Domain]"
                            }
                        }
                    },
                "localname":  "DerivativeContractTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DerivativeGainLossOnDerivativeNet":  {
                "auth_ref":  [
                    "r639"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_OtherNonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.",
                            "label":  "Derivative, Gain (Loss) on Derivative, Net",
                            "negatedTerseLabel":  "(Gain) loss on derivative assets related to terminated acquisition",
                            "terseLabel":  "(Gain) loss on derivative assets related to terminated acquisition"
                            }
                        }
                    },
                "localname":  "DerivativeGainLossOnDerivativeNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DerivativeInstrumentRiskAxis":  {
                "auth_ref":  [
                    "r67",
                    "r638",
                    "r640",
                    "r641",
                    "r642"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of derivative contract.",
                            "label":  "Derivative Instrument [Axis]",
                            "terseLabel":  "Derivative Instrument [Axis]"
                            }
                        }
                    },
                "localname":  "DerivativeInstrumentRiskAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable":  {
                "auth_ref":  [
                    "r636",
                    "r638",
                    "r641",
                    "r642",
                    "r643",
                    "r645",
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.",
                            "label":  "Derivative Instruments, Gain (Loss) [Table]",
                            "terseLabel":  "Derivative Instruments, Gain (Loss) [Table]"
                            }
                        }
                    },
                "localname":  "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DerivativeInstrumentsGainLossLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Derivative Instruments, Gain (Loss) [Line Items]",
                            "terseLabel":  "Derivative Instruments, Gain (Loss) [Line Items]"
                            }
                        }
                    },
                "localname":  "DerivativeInstrumentsGainLossLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DerivativeNotionalAmount":  {
                "auth_ref":  [
                    "r633",
                    "r635"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Nominal or face amount used to calculate payment on derivative.",
                            "label":  "Derivative, Notional Amount",
                            "terseLabel":  "Notional amount of outstanding forward contracts"
                            }
                        }
                    },
                "localname":  "DerivativeNotionalAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DerivativeTermOfContract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Derivative, Term of Contract",
                            "terseLabel":  "Derivative term"
                            }
                        }
                    },
                "localname":  "DerivativeTermOfContract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_DerivativesPolicyTextBlock":  {
                "auth_ref":  [
                    "r143",
                    "r632",
                    "r634",
                    "r636",
                    "r637",
                    "r644"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for its derivative instruments and hedging activities.",
                            "label":  "Derivatives, Policy [Policy Text Block]",
                            "verboseLabel":  "Derivative Financial Instruments"
                            }
                        }
                    },
                "localname":  "DerivativesPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DesignatedAsHedgingInstrumentMember":  {
                "auth_ref":  [
                    "r636"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).",
                            "label":  "Designated as Hedging Instrument [Member]",
                            "terseLabel":  "Designated as Hedging Instrument"
                            }
                        }
                    },
                "localname":  "DesignatedAsHedgingInstrumentMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DevelopedTechnologyRightsMember":  {
                "auth_ref":  [
                    "r593"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Rights to developed technology, which can include the right to develop, use, market, sell, or offer for sale products, compounds, or intellectual property.",
                            "label":  "Developed Technology Rights [Member]",
                            "terseLabel":  "Developed technology",
                            "verboseLabel":  "Developed technologies"
                            }
                        }
                    },
                "localname":  "DevelopedTechnologyRightsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DisaggregationOfRevenueTableTextBlock":  {
                "auth_ref":  [
                    "r453"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
                            "label":  "Disaggregation of Revenue [Table Text Block]",
                            "terseLabel":  "Schedule of Disaggregation of Revenue"
                            }
                        }
                    },
                "localname":  "DisaggregationOfRevenueTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Share-based Payment Arrangement [Abstract]"
                            }
                        }
                    },
                "localname":  "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock":  {
                "auth_ref":  [
                    "r483",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of share-based payment arrangement.",
                            "label":  "Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]",
                            "terseLabel":  "Schedule of Total Fair Value of Vested Restricted Stock"
                            }
                        }
                    },
                "localname":  "DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DomesticCountryMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.",
                            "label":  "Domestic Tax Authority [Member]",
                            "terseLabel":  "Federal"
                            }
                        }
                    },
                "localname":  "DomesticCountryMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EMEAMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Regions of Europe, Middle East and Africa.",
                            "label":  "EMEA [Member]",
                            "terseLabel":  "Europe, Middle East, and Africa"
                            }
                        }
                    },
                "localname":  "EMEAMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EarningsPerShareBasic":  {
                "auth_ref":  [
                    "r89",
                    "r155",
                    "r156",
                    "r157",
                    "r158",
                    "r159",
                    "r164",
                    "r166",
                    "r175",
                    "r176",
                    "r177",
                    "r181",
                    "r182",
                    "r658",
                    "r659",
                    "r796",
                    "r822"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
                            "label":  "Earnings Per Share, Basic",
                            "verboseLabel":  "Basic (in dollars per share)"
                            }
                        }
                    },
                "localname":  "EarningsPerShareBasic",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_EarningsPerShareBasicAndDilutedAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Earnings Per Share, Basic and Diluted [Abstract]",
                            "terseLabel":  "Earnings per share attributable to Illumina stockholders:"
                            }
                        }
                    },
                "localname":  "EarningsPerShareBasicAndDilutedAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]",
                            "terseLabel":  "Shares used in computing earnings per share:"
                            }
                        }
                    },
                "localname":  "EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EarningsPerShareDiluted":  {
                "auth_ref":  [
                    "r89",
                    "r155",
                    "r156",
                    "r157",
                    "r158",
                    "r159",
                    "r166",
                    "r175",
                    "r176",
                    "r177",
                    "r181",
                    "r182",
                    "r658",
                    "r659",
                    "r796",
                    "r822"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
                            "label":  "Earnings Per Share, Diluted",
                            "verboseLabel":  "Diluted (in dollars per share)"
                            }
                        }
                    },
                "localname":  "EarningsPerShareDiluted",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_EarningsPerSharePolicyTextBlock":  {
                "auth_ref":  [
                    "r178",
                    "r180"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security.  Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.",
                            "label":  "Earnings Per Share, Policy [Policy Text Block]",
                            "verboseLabel":  "Earnings per Share"
                            }
                        }
                    },
                "localname":  "EarningsPerSharePolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":  {
                "auth_ref":  [
                    "r687"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies.  Excludes amounts for disposal group and discontinued operations.  Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.  Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
                            "terseLabel":  "Effect of exchange rate changes on cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeRelatedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r52"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Employee-related Liabilities, Current",
                            "terseLabel":  "Accrued compensation expenses"
                            }
                        }
                    },
                "localname":  "EmployeeRelatedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":  {
                "auth_ref":  [
                    "r511"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.",
                            "label":  "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount",
                            "terseLabel":  "Unrecognized compensation cost",
                            "verboseLabel":  "Unrecognized compensation cost related to stock options, restricted stock, and ESPP shares granted to date"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1":  {
                "auth_ref":  [
                    "r511"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition",
                            "terseLabel":  "Weighted-average period of unrecognized compensation cost",
                            "verboseLabel":  "Weighted-average period of unrecognized compensation cost related to stock options, restricted stock, and ESPP shares granted to date"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of tax benefit for recognition of expense of award under share-based payment arrangement.",
                            "label":  "Share-based Payment Arrangement, Expense, Tax Benefit",
                            "negatedLabel":  "Related income tax benefits"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeStockMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "An Employee Stock Purchase Plan is a tax-efficient means by which employees of a corporation can purchase the corporation's stock.",
                            "label":  "Employee Stock [Member]",
                            "terseLabel":  "Employee Stock"
                            }
                        }
                    },
                "localname":  "EmployeeStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EmployeeStockOptionMember":  {
                "auth_ref":  [
                    "r507"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.",
                            "label":  "Share-based Payment Arrangement, Option [Member]",
                            "terseLabel":  "Options"
                            }
                        }
                    },
                "localname":  "EmployeeStockOptionMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Revenue from External Customer [Line Items]",
                            "terseLabel":  "Revenue from External Customer [Line Items]"
                            }
                        }
                    },
                "localname":  "EntityWideInformationRevenueFromExternalCustomerLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EquipmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tangible personal property used to produce goods and services.",
                            "label":  "Equipment [Member]",
                            "terseLabel":  "Machinery and equipment"
                            }
                        }
                    },
                "localname":  "EquipmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EquityAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Equity [Abstract]",
                            "terseLabel":  "Equity [Abstract]"
                            }
                        }
                    },
                "localname":  "EquityAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EquityComponentDomain":  {
                "auth_ref":  [
                    "r2",
                    "r79",
                    "r80",
                    "r81",
                    "r146",
                    "r147",
                    "r148",
                    "r151",
                    "r160",
                    "r162",
                    "r184",
                    "r284",
                    "r419",
                    "r426",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r657",
                    "r688",
                    "r689",
                    "r690",
                    "r691",
                    "r692",
                    "r693",
                    "r832",
                    "r833",
                    "r834",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
                            "label":  "Equity Component [Domain]",
                            "terseLabel":  "Equity Component [Domain]"
                            }
                        }
                    },
                "localname":  "EquityComponentDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EquityMethodInvestments":  {
                "auth_ref":  [
                    "r43",
                    "r216",
                    "r277"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee.  This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.",
                            "label":  "Equity Method Investments",
                            "terseLabel":  "Equity method investments"
                            }
                        }
                    },
                "localname":  "EquityMethodInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EquityMethodInvestmentsPolicy":  {
                "auth_ref":  [
                    "r43",
                    "r118",
                    "r279",
                    "r678"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for equity method of accounting for investments and other interests.  Investment includes, but is not limited to, unconsolidated subsidiary, corporate joint venture, noncontrolling interest in real estate venture, limited partnership, and limited liability company.  Information includes, but is not limited to, ownership percentage, reason equity method is or is not considered appropriate, and accounting policy election for distribution received.",
                            "label":  "Equity Method Investments [Policy Text Block]",
                            "terseLabel":  "Equity Securities and Investments"
                            }
                        }
                    },
                "localname":  "EquityMethodInvestmentsPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_EquitySecuritiesFvNi":  {
                "auth_ref":  [
                    "r672"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_AssetsFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.",
                            "label":  "Equity Securities, FV-NI, Current",
                            "terseLabel":  "Marketable equity securities"
                            }
                        }
                    },
                "localname":  "EquitySecuritiesFvNi",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount":  {
                "auth_ref":  [
                    "r273"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investment in equity security without readily determinable fair value.",
                            "label":  "Equity Securities without Readily Determinable Fair Value, Amount",
                            "terseLabel":  "Strategic equity investments, without readily determinable fair values"
                            }
                        }
                    },
                "localname":  "EquitySecuritiesWithoutReadilyDeterminableFairValueAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
                            "terseLabel":  "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable":  {
                "auth_ref":  [
                    "r660",
                    "r661",
                    "r662",
                    "r669"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.",
                            "label":  "Fair Value, Recurring and Nonrecurring [Table]",
                            "terseLabel":  "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]",
                            "terseLabel":  "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable":  {
                "auth_ref":  [
                    "r665",
                    "r669"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of assets using significant unobservable inputs (level 3).  Such reconciliation, separately presenting changes during the period, at a minimum, may include, but is not limited to: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.",
                            "label":  "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]",
                            "terseLabel":  "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueByFairValueHierarchyLevelAxis":  {
                "auth_ref":  [
                    "r380",
                    "r399",
                    "r400",
                    "r466",
                    "r467",
                    "r468",
                    "r469",
                    "r470",
                    "r471",
                    "r472",
                    "r474",
                    "r661",
                    "r731",
                    "r732",
                    "r733"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
                            "label":  "Fair Value Hierarchy and NAV [Axis]",
                            "terseLabel":  "Fair Value Hierarchy and NAV [Axis]"
                            }
                        }
                    },
                "localname":  "FairValueByFairValueHierarchyLevelAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueByLiabilityClassAxis":  {
                "auth_ref":  [
                    "r668",
                    "r669"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by class of liability.",
                            "label":  "Liability Class [Axis]",
                            "terseLabel":  "Liability Class [Axis]"
                            }
                        }
                    },
                "localname":  "FairValueByLiabilityClassAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueByMeasurementFrequencyAxis":  {
                "auth_ref":  [
                    "r660",
                    "r661",
                    "r663",
                    "r664",
                    "r670"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by measurement frequency.",
                            "label":  "Measurement Frequency [Axis]",
                            "terseLabel":  "Measurement Frequency [Axis]"
                            }
                        }
                    },
                "localname":  "FairValueByMeasurementFrequencyAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueDisclosuresAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Fair Value Disclosures [Abstract]",
                            "terseLabel":  "Fair Value Disclosures [Abstract]"
                            }
                        }
                    },
                "localname":  "FairValueDisclosuresAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueDisclosuresTextBlock":  {
                "auth_ref":  [
                    "r668"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities.  Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
                            "label":  "Fair Value Disclosures [Text Block]",
                            "terseLabel":  "Investments and Fair Value Measurements"
                            }
                        }
                    },
                "localname":  "FairValueDisclosuresTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurements"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FairValueInputsLevel1Member":  {
                "auth_ref":  [
                    "r380",
                    "r466",
                    "r467",
                    "r472",
                    "r474",
                    "r661",
                    "r731"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
                            "label":  "Fair Value, Inputs, Level 1 [Member]",
                            "verboseLabel":  "Level 1"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel1Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueInputsLevel2Member":  {
                "auth_ref":  [
                    "r380",
                    "r399",
                    "r400",
                    "r466",
                    "r467",
                    "r472",
                    "r474",
                    "r661",
                    "r732"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
                            "label":  "Fair Value, Inputs, Level 2 [Member]",
                            "terseLabel":  "Level 2"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel2Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueInputsLevel3Member":  {
                "auth_ref":  [
                    "r380",
                    "r399",
                    "r400",
                    "r466",
                    "r467",
                    "r468",
                    "r469",
                    "r470",
                    "r471",
                    "r472",
                    "r474",
                    "r661",
                    "r733"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Inputs, Level 3 [Member]",
                            "terseLabel":  "Level 3"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel3Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain":  {
                "auth_ref":  [
                    "r665"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Represents classes of liabilities measured and disclosed at fair value.",
                            "label":  "Fair Value by Liability Class [Domain]",
                            "terseLabel":  "Fair Value by Liability Class [Domain]"
                            }
                        }
                    },
                "localname":  "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock":  {
                "auth_ref":  [
                    "r665",
                    "r669"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.",
                            "label":  "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
                            "terseLabel":  "Schedule of Changes in Estimated Fair Value of Acquisition Related Contingent Consideration Liabilities"
                            }
                        }
                    },
                "localname":  "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FairValueMeasurementFrequencyDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement frequency.",
                            "label":  "Measurement Frequency [Domain]",
                            "terseLabel":  "Measurement Frequency [Domain]"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementFrequencyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings":  {
                "auth_ref":  [
                    "r666"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings",
                            "terseLabel":  "Change in estimated fair value"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases":  {
                "auth_ref":  [
                    "r667"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases",
                            "terseLabel":  "Acquisitions"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements":  {
                "auth_ref":  [
                    "r667"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements",
                            "negatedTerseLabel":  "Cash payments",
                            "verboseLabel":  "Cash payments"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue":  {
                "auth_ref":  [
                    "r665"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value",
                            "periodStartLabel":  "Beginning balance",
                            "terseLabel":  "Ending balance"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsChangesinEstimatedFairValueofAcquisitionRelatedContingentConsiderationLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementsFairValueHierarchyDomain":  {
                "auth_ref":  [
                    "r380",
                    "r399",
                    "r400",
                    "r466",
                    "r467",
                    "r468",
                    "r469",
                    "r470",
                    "r471",
                    "r472",
                    "r474",
                    "r731",
                    "r732",
                    "r733"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
                            "label":  "Fair Value Hierarchy and NAV [Domain]",
                            "terseLabel":  "Fair Value Hierarchy and NAV [Domain]"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementsFairValueHierarchyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueMeasurementsRecurringMember":  {
                "auth_ref":  [
                    "r668",
                    "r670"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Frequent fair value measurement.  Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
                            "label":  "Fair Value, Recurring [Member]",
                            "verboseLabel":  "Fair value, Measurements, Recurring"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementsRecurringMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueOfFinancialInstrumentsPolicy":  {
                "auth_ref":  [
                    "r671",
                    "r673"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for determining the fair value of financial instruments.",
                            "label":  "Fair Value of Financial Instruments, Policy [Policy Text Block]",
                            "verboseLabel":  "Fair Value Measurements"
                            }
                        }
                    },
                "localname":  "FairValueOfFinancialInstrumentsPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FinancialInstrumentAxis":  {
                "auth_ref":  [
                    "r266",
                    "r267",
                    "r273",
                    "r274",
                    "r275",
                    "r288",
                    "r289",
                    "r290",
                    "r291",
                    "r292",
                    "r294",
                    "r295",
                    "r296",
                    "r297",
                    "r391",
                    "r418",
                    "r648",
                    "r728",
                    "r729",
                    "r730",
                    "r731",
                    "r732",
                    "r733",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r740",
                    "r741",
                    "r742",
                    "r743",
                    "r744",
                    "r745",
                    "r746",
                    "r747",
                    "r748",
                    "r749",
                    "r750",
                    "r751",
                    "r752",
                    "r753",
                    "r754",
                    "r755",
                    "r756",
                    "r757",
                    "r875",
                    "r876",
                    "r877",
                    "r878",
                    "r879",
                    "r880",
                    "r881"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of financial instrument.",
                            "label":  "Financial Instrument [Axis]",
                            "terseLabel":  "Financial Instrument [Axis]"
                            }
                        }
                    },
                "localname":  "FinancialInstrumentAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of finite-lived and indefinite-lived intangible assets acquired as part of a business combination.",
                            "label":  "Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]",
                            "terseLabel":  "Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination"
                            }
                        }
                    },
                "localname":  "FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization":  {
                "auth_ref":  [
                    "r322"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Accumulated Amortization",
                            "negatedTerseLabel":  "Accumulated Amortization",
                            "terseLabel":  "Accumulated Amortization"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAccumulatedAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":  {
                "auth_ref":  [
                    "r324"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year One",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":  {
                "auth_ref":  [
                    "r324"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year Five",
                            "terseLabel":  "2026"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":  {
                "auth_ref":  [
                    "r324"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year Four",
                            "terseLabel":  "2025"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":  {
                "auth_ref":  [
                    "r324"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year Three",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":  {
                "auth_ref":  [
                    "r324"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year Two",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis":  {
                "auth_ref":  [
                    "r314",
                    "r318",
                    "r322",
                    "r326",
                    "r762",
                    "r766"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by major type or class of finite-lived intangible assets.",
                            "label":  "Finite-Lived Intangible Assets by Major Class [Axis]",
                            "terseLabel":  "Finite-Lived Intangible Assets by Major Class [Axis]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsByMajorClassAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]",
                            "terseLabel":  "Estimated Annual Amortization"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsGross":  {
                "auth_ref":  [
                    "r322",
                    "r766"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Gross",
                            "terseLabel":  "Gross Carrying Amount"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsGross",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Finite-Lived Intangible Assets [Line Items]",
                            "terseLabel":  "Finite-Lived Intangible Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain":  {
                "auth_ref":  [
                    "r314",
                    "r321"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.",
                            "label":  "Finite-Lived Intangible Assets, Major Class Name [Domain]",
                            "terseLabel":  "Finite-Lived Intangible Assets, Major Class Name [Domain]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsMajorClassNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsNet":  {
                "auth_ref":  [
                    "r322",
                    "r762"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Net",
                            "totalLabel":  "Total intangible assets, net"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofEstimatedAnnualAmortizationofIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinitelivedIntangibleAssetsAcquired1":  {
                "auth_ref":  [
                    "r315"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.",
                            "label":  "Finite-lived Intangible Assets Acquired",
                            "verboseLabel":  "Value of intangible assets acquired"
                            }
                        }
                    },
                "localname":  "FinitelivedIntangibleAssetsAcquired1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiscalPeriod":  {
                "auth_ref":  [
                    "r607"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period.  This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees.  If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates.  Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed.",
                            "label":  "Fiscal Period, Policy [Policy Text Block]",
                            "verboseLabel":  "Fiscal Year"
                            }
                        }
                    },
                "localname":  "FiscalPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ForeignCountryMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile.",
                            "label":  "Foreign Tax Authority [Member]",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "ForeignCountryMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock":  {
                "auth_ref":  [
                    "r695"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.",
                            "label":  "Foreign Currency Transactions and Translations Policy [Policy Text Block]",
                            "terseLabel":  "Functional Currency"
                            }
                        }
                    },
                "localname":  "ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ForeignExchangeForwardMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.",
                            "label":  "Foreign Exchange Forward [Member]",
                            "terseLabel":  "Foreign Exchange Forward"
                            }
                        }
                    },
                "localname":  "ForeignExchangeForwardMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FurnitureAndFixturesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities.  Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
                            "label":  "Furniture and Fixtures [Member]",
                            "terseLabel":  "Furniture and fixtures",
                            "verboseLabel":  "Furniture and fixtures"
                            }
                        }
                    },
                "localname":  "FurnitureAndFixturesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_GainLossOnInvestments":  {
                "auth_ref":  [
                    "r98",
                    "r122",
                    "r260"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  17.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of realized and unrealized gain (loss) on investment.",
                            "label":  "Gain (Loss) on Investments",
                            "negatedTerseLabel":  "Gain on previously held investment in GRAIL"
                            }
                        }
                    },
                "localname":  "GainLossOnInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GainsLossesOnExtinguishmentOfDebt":  {
                "auth_ref":  [
                    "r122",
                    "r403",
                    "r404"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.",
                            "label":  "Gain (Loss) on Extinguishment of Debt",
                            "negatedTerseLabel":  "Loss on extinguishment of debt"
                            }
                        }
                    },
                "localname":  "GainsLossesOnExtinguishmentOfDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GeographicConcentrationRiskMember":  {
                "auth_ref":  [
                    "r194",
                    "r851"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reflects the percentage that a specified dollar value on the balance sheet or income statement in the period from one or more specified geographic areas is to a corresponding consolidated, segment, or product line amount.  Risk is the materially adverse effects of economic decline or antagonistic political actions resulting in loss of assets, sales volume, labor supply, or source of materials and supplies in a US state or a specified country, continent, or region such as EMEA (Europe, Middle East, Africa).",
                            "label":  "Geographic Concentration Risk [Member]",
                            "terseLabel":  "Geographic Concentration Risk"
                            }
                        }
                    },
                "localname":  "GeographicConcentrationRiskMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_Goodwill":  {
                "auth_ref":  [
                    "r302",
                    "r304",
                    "r726",
                    "r780"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
                            "label":  "Goodwill",
                            "periodEndLabel":  "Balance at end of period",
                            "periodStartLabel":  "Balance at beginning of period",
                            "terseLabel":  "Goodwill",
                            "verboseLabel":  "Goodwill"
                            }
                        }
                    },
                "localname":  "Goodwill",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofChangesinGoodwillDetails",
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillAcquiredDuringPeriod":  {
                "auth_ref":  [
                    "r305"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.",
                            "label":  "Goodwill, Acquired During Period",
                            "terseLabel":  "Acquisitions"
                            }
                        }
                    },
                "localname":  "GoodwillAcquiredDuringPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofChangesinGoodwillDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock":  {
                "auth_ref":  [
                    "r308",
                    "r319"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for goodwill and intangible assets.  This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.",
                            "label":  "Goodwill and Intangible Assets, Policy [Policy Text Block]",
                            "verboseLabel":  "Goodwill, Intangible Assets and Other Long-Lived Assets"
                            }
                        }
                    },
                "localname":  "GoodwillAndIntangibleAssetsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_GoodwillImpairmentLoss":  {
                "auth_ref":  [
                    "r122",
                    "r303",
                    "r306",
                    "r310"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
                            "label":  "Goodwill, Impairment Loss",
                            "terseLabel":  "Goodwill impairment"
                            }
                        }
                    },
                "localname":  "GoodwillImpairmentLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Goodwill [Line Items]",
                            "terseLabel":  "Goodwill [Line Items]"
                            }
                        }
                    },
                "localname":  "GoodwillLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_GoodwillMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
                            "label":  "Goodwill [Member]",
                            "terseLabel":  "Goodwill"
                            }
                        }
                    },
                "localname":  "GoodwillMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_GoodwillPurchaseAccountingAdjustments":  {
                "auth_ref":  [
                    "r307",
                    "r578"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
                            "label":  "Goodwill, Purchase Accounting Adjustments",
                            "netLabel":  "Goodwill, purchase accounting adjustments",
                            "terseLabel":  "Measurement period adjustments",
                            "verboseLabel":  "Measurement period adjustments, goodwill"
                            }
                        }
                    },
                "localname":  "GoodwillPurchaseAccountingAdjustments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofChangesinGoodwillDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Goodwill [Roll Forward]",
                            "verboseLabel":  "Goodwill [Roll Forward]"
                            }
                        }
                    },
                "localname":  "GoodwillRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofChangesinGoodwillDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_GrossProfit":  {
                "auth_ref":  [
                    "r93",
                    "r137",
                    "r215",
                    "r227",
                    "r231",
                    "r234",
                    "r237",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r678"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingIncomeLoss",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.",
                            "label":  "Gross Profit",
                            "totalLabel":  "Gross profit"
                            }
                        }
                    },
                "localname":  "GrossProfit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_HedgingDesignationAxis":  {
                "auth_ref":  [
                    "r636",
                    "r643"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by designation of purpose of derivative instrument.",
                            "label":  "Hedging Designation [Axis]",
                            "terseLabel":  "Hedging Designation [Axis]"
                            }
                        }
                    },
                "localname":  "HedgingDesignationAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_HedgingDesignationDomain":  {
                "auth_ref":  [
                    "r636"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designation of purpose of derivative instrument.",
                            "label":  "Hedging Designation [Domain]",
                            "terseLabel":  "Hedging Designation [Domain]"
                            }
                        }
                    },
                "localname":  "HedgingDesignationDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_InProcessResearchAndDevelopmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "In process investigation of new knowledge useful in developing new product or service or new process or technique or improvement to existing product or process, and translation of knowledge into plan or design for new product or process or for improvement to existing product or process.",
                            "label":  "In Process Research and Development [Member]",
                            "terseLabel":  "In-process research and development (IPR&D)"
                            }
                        }
                    },
                "localname":  "InProcessResearchAndDevelopmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":  {
                "auth_ref":  [
                    "r139",
                    "r570"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Domestic",
                            "terseLabel":  "United States"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":  {
                "auth_ref":  [
                    "r84",
                    "r215",
                    "r227",
                    "r231",
                    "r234",
                    "r237",
                    "r779",
                    "r791",
                    "r798",
                    "r823"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_ProfitLoss",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest",
                            "totalLabel":  "Income before income taxes"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":  {
                "auth_ref":  [
                    "r139",
                    "r570"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Foreign",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofIncomeLossBeforeIncomeTaxesbyRegionDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeStatementAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Income Statement [Abstract]",
                            "terseLabel":  "Income Statement [Abstract]"
                            }
                        }
                    },
                "localname":  "IncomeStatementAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeStatementLocationAxis":  {
                "auth_ref":  [
                    "r332",
                    "r334"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by location in the income statement.",
                            "label":  "Income Statement Location [Axis]",
                            "terseLabel":  "Income Statement Location [Axis]"
                            }
                        }
                    },
                "localname":  "IncomeStatementLocationAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeStatementLocationDomain":  {
                "auth_ref":  [
                    "r334"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Location in the income statement.",
                            "label":  "Income Statement Location [Domain]",
                            "terseLabel":  "Income Statement Location [Domain]"
                            }
                        }
                    },
                "localname":  "IncomeStatementLocationDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeTaxAuthorityAxis":  {
                "auth_ref":  [
                    "r539"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by tax jurisdiction.",
                            "label":  "Income Tax Authority [Axis]",
                            "terseLabel":  "Income Tax Authority [Axis]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxAuthorityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.",
                            "label":  "Income Tax Authority [Domain]",
                            "terseLabel":  "Income Tax Authority [Domain]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeTaxAuthorityNameAxis":  {
                "auth_ref":  [
                    "r539"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by name of taxing authority.",
                            "label":  "Income Tax Authority, Name [Axis]",
                            "terseLabel":  "Income Tax Authority, Name [Axis]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityNameAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxAuthorityNameDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Named agency, division or body that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.",
                            "label":  "Income Tax Authority, Name [Domain]",
                            "terseLabel":  "Income Tax Authority, Name [Domain]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeTaxDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Income Tax Disclosure [Abstract]",
                            "terseLabel":  "Income Tax Disclosure [Abstract]"
                            }
                        }
                    },
                "localname":  "IncomeTaxDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxDisclosureTextBlock":  {
                "auth_ref":  [
                    "r140",
                    "r536",
                    "r546",
                    "r553",
                    "r565",
                    "r571",
                    "r573",
                    "r574",
                    "r576"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for income taxes.  Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
                            "label":  "Income Tax Disclosure [Text Block]",
                            "terseLabel":  "Income Taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxes"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r141",
                    "r161",
                    "r162",
                    "r213",
                    "r534",
                    "r566",
                    "r572",
                    "r824"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_ProfitLoss",
                        "weight":  -1.0
                        },
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
                            "label":  "Income Tax Expense (Benefit)",
                            "terseLabel":  "Provision for income taxes",
                            "totalLabel":  "Total tax provision"
                            }
                        }
                    },
                "localname":  "IncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/IncomeTaxesSummaryofProvisionforIncomeTaxesDetails",
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxHolidayAggregateDollarAmount":  {
                "auth_ref":  [
                    "r571"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.",
                            "label":  "Income Tax Holiday, Aggregate Dollar Amount",
                            "terseLabel":  "Decrease to the provision for income taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxHolidayAggregateDollarAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare":  {
                "auth_ref":  [
                    "r571"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.",
                            "label":  "Income Tax Holiday, Income Tax Benefits Per Share",
                            "terseLabel":  "Increase to net income per diluted share (in dollars per share)"
                            }
                        }
                    },
                "localname":  "IncomeTaxHolidayIncomeTaxBenefitsPerShare",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_IncomeTaxPolicyTextBlock":  {
                "auth_ref":  [
                    "r78",
                    "r531",
                    "r532",
                    "r546",
                    "r547",
                    "r552",
                    "r560"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.",
                            "label":  "Income Tax, Policy [Policy Text Block]",
                            "terseLabel":  "Income Taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.",
                            "label":  "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount",
                            "terseLabel":  "Change in valuation allowance"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationDeductions":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to deduction.  Includes, but is not limited to, dividend deduction, deduction for dividend paid to employee stock ownership plan (ESOP), Medicare prescription drug benefit subsidy deduction, and other deductions.",
                            "label":  "Effective Income Tax Rate Reconciliation, Deduction, Amount",
                            "negatedTerseLabel":  "Impact of foreign derived intangible income (FDII) deduction"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationDeductions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount",
                            "terseLabel":  "Impact of foreign operations"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationForeignIncomeTaxRateDifferential",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.",
                            "label":  "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount",
                            "terseLabel":  "Tax at federal statutory rate"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationMinorityInterestIncomeExpense":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes.",
                            "label":  "Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount",
                            "negatedTerseLabel":  "Investments in consolidated variable interest entities"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationMinorityInterestIncomeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement.  Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.",
                            "label":  "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount",
                            "terseLabel":  "Stock compensation"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationOtherReconcilingItems":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  10.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.",
                            "label":  "Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount",
                            "terseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationOtherReconcilingItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount",
                            "terseLabel":  "State, net of federal benefit"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationStateAndLocalIncomeTaxes",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationTaxCreditsResearch":  {
                "auth_ref":  [
                    "r535"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.",
                            "label":  "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount",
                            "negatedTerseLabel":  "Research and other credits"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationTaxCreditsResearch",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryofReconciliationofProvisionforIncomeTaxestoAmountComputedbyApplyingtheFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxesPaidNet":  {
                "auth_ref":  [
                    "r126"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.",
                            "label":  "Income Taxes Paid, Net",
                            "terseLabel":  "Cash paid for income taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxesPaidNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccountsPayable":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.",
                            "label":  "Increase (Decrease) in Accounts Payable",
                            "terseLabel":  "Accounts payable"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccountsPayable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccountsReceivable":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  21.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
                            "label":  "Increase (Decrease) in Accounts Receivable",
                            "negatedLabel":  "Accounts receivable"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccountsReceivable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccruedLiabilities":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  13.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.",
                            "label":  "Increase (Decrease) in Accrued Liabilities",
                            "verboseLabel":  "Accrued liabilities"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccruedLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInDeferredIncomeTaxes":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  20.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.",
                            "label":  "Increase (Decrease) in Deferred Income Taxes",
                            "negatedLabel":  "Deferred income taxes"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInDeferredIncomeTaxes",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInInventories":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  18.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
                            "label":  "Increase (Decrease) in Inventories",
                            "negatedLabel":  "Inventory"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInInventories",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Increase (Decrease) in Operating Capital [Abstract]",
                            "verboseLabel":  "Changes in operating assets and liabilities:"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOperatingCapitalAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncreaseDecreaseInOtherNoncurrentAssets":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in noncurrent assets classified as other.",
                            "label":  "Increase (Decrease) in Other Noncurrent Assets",
                            "negatedTerseLabel":  "Other assets"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOtherNoncurrentAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  10.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in noncurrent operating liabilities classified as other.",
                            "label":  "Increase (Decrease) in Other Noncurrent Liabilities",
                            "terseLabel":  "Other long-term liabilities"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOtherNoncurrentLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  11.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in prepaid expenses, and assets classified as other.",
                            "label":  "Increase (Decrease) in Prepaid Expense and Other Assets",
                            "negatedLabel":  "Prepaid expenses and other current assets"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
                            "terseLabel":  "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInStockholdersEquityRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities":  {
                "auth_ref":  [
                    "r171",
                    "r172",
                    "r177"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.",
                            "label":  "Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities",
                            "verboseLabel":  "Convertible senior notes (in shares)"
                            }
                        }
                    },
                "localname":  "IncrementalCommonSharesAttributableToConversionOfDebtSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":  {
                "auth_ref":  [
                    "r167",
                    "r168",
                    "r169",
                    "r177"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.",
                            "label":  "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements",
                            "verboseLabel":  "Equity awards (in shares)"
                            }
                        }
                    },
                "localname":  "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis":  {
                "auth_ref":  [
                    "r317",
                    "r325"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.",
                            "label":  "Indefinite-lived Intangible Assets [Axis]",
                            "terseLabel":  "Indefinite-lived Intangible Assets [Axis]"
                            }
                        }
                    },
                "localname":  "IndefiniteLivedIntangibleAssetsByMajorClassAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Indefinite-lived Intangible Assets [Line Items]",
                            "terseLabel":  "Indefinite-lived Intangible Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "IndefiniteLivedIntangibleAssetsByMajorClassLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill":  {
                "auth_ref":  [
                    "r325"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.",
                            "label":  "Indefinite-lived Intangible Assets (Excluding Goodwill)",
                            "terseLabel":  "Indefinite-lived Intangible Assets"
                            }
                        }
                    },
                "localname":  "IndefiniteLivedIntangibleAssetsExcludingGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain":  {
                "auth_ref":  [
                    "r317",
                    "r325"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill.  A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company.",
                            "label":  "Indefinite-lived Intangible Assets, Major Class Name [Domain]",
                            "terseLabel":  "Indefinite-lived Intangible Assets, Major Class Name [Domain]"
                            }
                        }
                    },
                "localname":  "IndefiniteLivedIntangibleAssetsMajorClassNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IndefinitelivedIntangibleAssetsAcquired":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.",
                            "label":  "Indefinite-lived Intangible Assets Acquired",
                            "terseLabel":  "Indefinite-lived intangible assets acquired"
                            }
                        }
                    },
                "localname":  "IndefinitelivedIntangibleAssetsAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InlandRevenueSingaporeIRASMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of the government of Singapore.",
                            "label":  "Inland Revenue, Singapore (IRAS) [Member]",
                            "terseLabel":  "Singapore"
                            }
                        }
                    },
                "localname":  "InlandRevenueSingaporeIRASMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IntangibleAssetsGrossExcludingGoodwill":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before accumulated amortization of intangible assets, excluding goodwill.",
                            "label":  "Intangible Assets, Gross (Excluding Goodwill)",
                            "terseLabel":  "Gross Carrying Amount"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsGrossExcludingGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IntangibleAssetsNetExcludingGoodwill":  {
                "auth_ref":  [
                    "r312",
                    "r320"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
                            "label":  "Intangible Assets, Net (Excluding Goodwill)",
                            "terseLabel":  "Intangible Assets, Net",
                            "verboseLabel":  "Intangible assets, net"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsNetExcludingGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Intangible Assets, Net (Excluding Goodwill) [Abstract]",
                            "terseLabel":  "Intangible Assets, Net (Excluding Goodwill) [Abstract]"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsNetExcludingGoodwillAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_InterestExpense":  {
                "auth_ref":  [
                    "r82",
                    "r209",
                    "r696",
                    "r699",
                    "r797"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NonoperatingIncomeExpense",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the cost of borrowed funds accounted for as interest expense.",
                            "label":  "Interest Expense",
                            "negatedLabel":  "Interest expense"
                            }
                        }
                    },
                "localname":  "InterestExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InterestExpenseDebt":  {
                "auth_ref":  [
                    "r100",
                    "r386",
                    "r398",
                    "r401",
                    "r402"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the cost of borrowed funds accounted for as interest expense for debt.",
                            "label":  "Interest Expense, Debt",
                            "terseLabel":  "Interest expense recognized"
                            }
                        }
                    },
                "localname":  "InterestExpenseDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InternalRevenueServiceIRSMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of the United States of America government entitled to levy and collect income taxes from the entity.",
                            "label":  "Internal Revenue Service (IRS) [Member]",
                            "terseLabel":  "IRS"
                            }
                        }
                    },
                "localname":  "InternalRevenueServiceIRSMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IntersegmentEliminationMember":  {
                "auth_ref":  [
                    "r207",
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r233",
                    "r237"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Eliminating entries used in operating segment consolidation.",
                            "label":  "Intersegment Eliminations [Member]",
                            "terseLabel":  "Eliminations"
                            }
                        }
                    },
                "localname":  "IntersegmentEliminationMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_InventoryFinishedGoodsNetOfReserves":  {
                "auth_ref":  [
                    "r35",
                    "r300"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.",
                            "label":  "Inventory, Finished Goods, Net of Reserves",
                            "terseLabel":  "Finished goods"
                            }
                        }
                    },
                "localname":  "InventoryFinishedGoodsNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryNet":  {
                "auth_ref":  [
                    "r9",
                    "r62",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
                            "label":  "Inventory, Net",
                            "totalLabel":  "Total inventory",
                            "verboseLabel":  "Inventory"
                            }
                        }
                    },
                "localname":  "InventoryNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryPolicyTextBlock":  {
                "auth_ref":  [
                    "r16",
                    "r63",
                    "r132",
                    "r183",
                    "r298",
                    "r299",
                    "r301",
                    "r759"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.",
                            "label":  "Inventory, Policy [Policy Text Block]",
                            "terseLabel":  "Inventory"
                            }
                        }
                    },
                "localname":  "InventoryPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_InventoryRawMaterialsNetOfReserves":  {
                "auth_ref":  [
                    "r37",
                    "r300"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.",
                            "label":  "Inventory, Raw Materials, Net of Reserves",
                            "terseLabel":  "Raw materials"
                            }
                        }
                    },
                "localname":  "InventoryRawMaterialsNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryWorkInProcessNetOfReserves":  {
                "auth_ref":  [
                    "r36",
                    "r300"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed.  This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.",
                            "label":  "Inventory, Work in Process, Net of Reserves",
                            "terseLabel":  "Work in process"
                            }
                        }
                    },
                "localname":  "InventoryWorkInProcessNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofInventoryDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InvesteeMember":  {
                "auth_ref":  [
                    "r276"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A corporation that issued voting stock held by an investor.",
                            "label":  "Investee [Member]",
                            "terseLabel":  "Investee"
                            }
                        }
                    },
                "localname":  "InvesteeMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_InvestmentIncomeInterest":  {
                "auth_ref":  [
                    "r97",
                    "r208"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NonoperatingIncomeExpense",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
                            "label":  "Investment Income, Interest",
                            "verboseLabel":  "Interest income"
                            }
                        }
                    },
                "localname":  "InvestmentIncomeInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LeaseCost":  {
                "auth_ref":  [
                    "r715",
                    "r717"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lease cost recognized by lessee for lease contract.",
                            "label":  "Lease, Cost",
                            "totalLabel":  "Total lease costs"
                            }
                        }
                    },
                "localname":  "LeaseCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LeaseCostTableTextBlock":  {
                "auth_ref":  [
                    "r715"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of lessee's lease cost.  Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.",
                            "label":  "Lease, Cost [Table Text Block]",
                            "terseLabel":  "Schedule of Components of Lease Costs"
                            }
                        }
                    },
                "localname":  "LeaseCostTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LeaseholdImprovementsMember":  {
                "auth_ref":  [
                    "r329"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Additions or improvements to assets held under a lease arrangement.",
                            "label":  "Leasehold Improvements [Member]",
                            "terseLabel":  "Leasehold improvements"
                            }
                        }
                    },
                "localname":  "LeaseholdImprovementsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LegalMattersAndContingenciesTextBlock":  {
                "auth_ref":  [
                    "r340"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies.",
                            "label":  "Legal Matters and Contingencies [Text Block]",
                            "verboseLabel":  "Legal Proceedings"
                            }
                        }
                    },
                "localname":  "LegalMattersAndContingenciesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/LegalProceedings"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LesseeLeasesPolicyTextBlock":  {
                "auth_ref":  [
                    "r707"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for leasing arrangement entered into by lessee.",
                            "label":  "Lessee, Leases [Policy Text Block]",
                            "verboseLabel":  "Leases"
                            }
                        }
                    },
                "localname":  "LesseeLeasesPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock":  {
                "auth_ref":  [
                    "r716"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability.  Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.",
                            "label":  "Lessee, Operating Lease, Liability, Maturity [Table Text Block]",
                            "terseLabel":  "Schedule of Leases"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease.",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid",
                            "totalLabel":  "Total remaining lease payments"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, after Year Five",
                            "terseLabel":  "Thereafter"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, Year One",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, Year Five",
                            "terseLabel":  "2026"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, Year Four",
                            "terseLabel":  "2025"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, Year Three",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails_1":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, to be Paid, Year Two",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount":  {
                "auth_ref":  [
                    "r716"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
                            "label":  "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
                            "negatedLabel":  "Less: imputed interest"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseRemainingLeaseTerm":  {
                "auth_ref":  [
                    "r708"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Lessee, Operating Lease, Remaining Lease Term",
                            "terseLabel":  "Lessee, operating lease, remaining lease term"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseRemainingLeaseTerm",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_LesseeOperatingLeaseRenewalTerm":  {
                "auth_ref":  [
                    "r709"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Lessee, Operating Lease, Renewal Term",
                            "terseLabel":  "Lessee, operating lease, renewal term"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseRenewalTerm",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_LetterOfCreditMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit).",
                            "label":  "Letter of Credit [Member]",
                            "terseLabel":  "Letter of Credit"
                            }
                        }
                    },
                "localname":  "LetterOfCreditMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LiabilitiesAndStockholdersEquity":  {
                "auth_ref":  [
                    "r33",
                    "r137",
                    "r280",
                    "r678",
                    "r726",
                    "r785",
                    "r815"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
                            "label":  "Liabilities and Equity",
                            "totalLabel":  "Total liabilities and stockholders\u2019 equity"
                            }
                        }
                    },
                "localname":  "LiabilitiesAndStockholdersEquity",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesAndStockholdersEquityAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Liabilities and Equity [Abstract]",
                            "verboseLabel":  "LIABILITIES AND STOCKHOLDERS\u2019 EQUITY"
                            }
                        }
                    },
                "localname":  "LiabilitiesAndStockholdersEquityAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LiabilitiesCurrent":  {
                "auth_ref":  [
                    "r53",
                    "r137",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r614",
                    "r623",
                    "r624",
                    "r678",
                    "r724",
                    "r725",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
                            "label":  "Liabilities, Current",
                            "totalLabel":  "Total current liabilities"
                            }
                        }
                    },
                "localname":  "LiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesCurrentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Liabilities, Current [Abstract]",
                            "verboseLabel":  "Current liabilities:"
                            }
                        }
                    },
                "localname":  "LiabilitiesCurrentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LiabilitiesFairValueDisclosure":  {
                "auth_ref":  [
                    "r660"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of financial and nonfinancial obligations.",
                            "label":  "Financial and Nonfinancial Liabilities, Fair Value Disclosure",
                            "totalLabel":  "Total liabilities measured at fair value"
                            }
                        }
                    },
                "localname":  "LiabilitiesFairValueDisclosure",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesFairValueDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Liabilities, Fair Value Disclosure [Abstract]",
                            "verboseLabel":  "Liabilities:"
                            }
                        }
                    },
                "localname":  "LiabilitiesFairValueDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LicensingAgreementsMember":  {
                "auth_ref":  [
                    "r592"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Rights, generally of limited duration, under a license arrangement (for example, to sell or otherwise utilize specified products or processes in a specified territory).",
                            "label":  "Licensing Agreements [Member]",
                            "terseLabel":  "License agreements"
                            }
                        }
                    },
                "localname":  "LicensingAgreementsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding":  {
                "auth_ref":  [
                    "r674"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of the amount outstanding under the credit facility.",
                            "label":  "Line of Credit Facility, Fair Value of Amount Outstanding",
                            "terseLabel":  "Borrowings outstanding"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityFairValueOfAmountOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity":  {
                "auth_ref":  [
                    "r49"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
                            "label":  "Line of Credit Facility, Maximum Borrowing Capacity",
                            "terseLabel":  "Maximum borrowing capacity"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityMaximumBorrowingCapacity",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.",
                            "label":  "Line of Credit [Member]",
                            "terseLabel":  "Line of Credit"
                            }
                        }
                    },
                "localname":  "LineOfCreditMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LitigationSettlementAmountAwardedFromOtherParty":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount awarded from other party in judgment or settlement of litigation.",
                            "label":  "Litigation Settlement, Amount Awarded from Other Party",
                            "terseLabel":  "Amount awarded from settlement"
                            }
                        }
                    },
                "localname":  "LitigationSettlementAmountAwardedFromOtherParty",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/LegalProceedingsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock":  {
                "auth_ref":  [
                    "r242"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.",
                            "label":  "Long-lived Assets by Geographic Areas [Table Text Block]",
                            "terseLabel":  "Schedule of Net Long-lived Assets Consisting of Property and Equipment by Region"
                            }
                        }
                    },
                "localname":  "LongLivedAssetsByGeographicAreasTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LongTermDebtCurrent":  {
                "auth_ref":  [
                    "r51"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current.  Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.  Excludes capital lease obligations.",
                            "label":  "Long-term Debt, Current Maturities",
                            "negatedTerseLabel":  "Less: current portion"
                            }
                        }
                    },
                "localname":  "LongTermDebtCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtFairValue":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure.  Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.  The element may be used in both the balance sheet and disclosure in the same submission.",
                            "label":  "Long-term Debt, Fair Value",
                            "terseLabel":  "Fair value of convertible senior notes outstanding (Level 2)"
                            }
                        }
                    },
                "localname":  "LongTermDebtFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtNoncurrent":  {
                "auth_ref":  [
                    "r55"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer.  Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.  Excludes capital lease obligations.",
                            "label":  "Long-term Debt, Excluding Current Maturities",
                            "terseLabel":  "Long-term debt, non-current"
                            }
                        }
                    },
                "localname":  "LongTermDebtNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongtermDebtTypeAxis":  {
                "auth_ref":  [
                    "r55"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of long-term debt.",
                            "label":  "Long-term Debt, Type [Axis]",
                            "terseLabel":  "Long-term Debt, Type [Axis]"
                            }
                        }
                    },
                "localname":  "LongtermDebtTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LongtermDebtTypeDomain":  {
                "auth_ref":  [
                    "r55",
                    "r347"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing.  These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
                            "label":  "Long-term Debt, Type [Domain]",
                            "terseLabel":  "Long-term Debt, Type [Domain]"
                            }
                        }
                    },
                "localname":  "LongtermDebtTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtObligationsDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LossContingencyDamagesSoughtValue":  {
                "auth_ref":  [
                    "r337",
                    "r338",
                    "r339"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The value (monetary amount) of the award the plaintiff seeks in the legal matter.",
                            "label":  "Loss Contingency, Damages Sought, Value",
                            "terseLabel":  "Loss contingency, damages sought, value"
                            }
                        }
                    },
                "localname":  "LossContingencyDamagesSoughtValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/LegalProceedingsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_MachineryAndEquipmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.",
                            "label":  "Machinery and Equipment [Member]",
                            "terseLabel":  "Machinery and equipment"
                            }
                        }
                    },
                "localname":  "MachineryAndEquipmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_MarketableSecuritiesGainLoss":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).",
                            "label":  "Marketable Securities, Gain (Loss)",
                            "terseLabel":  "Net (losses) gains recognized during the period on marketable equity securities"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesGainLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsMarketableEquitySecuritiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_MarketableSecuritiesGainLossAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Marketable Securities, Gain (Loss) [Abstract]",
                            "terseLabel":  "Marketable Securities, Gain (Loss) [Abstract]"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesGainLossAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsMarketableEquitySecuritiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_MarketableSecuritiesPolicy":  {
                "auth_ref":  [
                    "r802"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for investment classified as marketable security.",
                            "label":  "Marketable Securities, Policy [Policy Text Block]",
                            "terseLabel":  "Debt Securities"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_MarketableSecuritiesRealizedGainLoss":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).",
                            "label":  "Marketable Securities, Realized Gain (Loss)",
                            "terseLabel":  "Less:  Net losses recognized during the period on marketable equity securities sold during the period"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesRealizedGainLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsMarketableEquitySecuritiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_MarketableSecuritiesTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of marketable securities.  This may consist of investments in certain debt and equity securities, short-term investments and other assets.",
                            "label":  "Marketable Securities [Table Text Block]",
                            "terseLabel":  "Schedule of Marketable Securities"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_MarketableSecuritiesUnrealizedGainLoss":  {
                "auth_ref":  [
                    "r90"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrealized gain (loss) on investment in marketable security.",
                            "label":  "Marketable Securities, Unrealized Gain (Loss)",
                            "terseLabel":  "Net unrealized gains recognized during the period on marketable equity securities still held at the reporting date"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesUnrealizedGainLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsMarketableEquitySecuritiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_MinorityInterestOwnershipPercentageByParent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The parent entity's interest in net assets of the subsidiary, expressed as a percentage.",
                            "label":  "Noncontrolling Interest, Ownership Percentage by Parent",
                            "terseLabel":  "Equity ownership interest percentage"
                            }
                        }
                    },
                "localname":  "MinorityInterestOwnershipPercentageByParent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_MoneyMarketFundsMember":  {
                "auth_ref":  [
                    "r466"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.",
                            "label":  "Money Market Funds [Member]",
                            "terseLabel":  "Money market funds (cash equivalents)"
                            }
                        }
                    },
                "localname":  "MoneyMarketFundsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]",
                            "terseLabel":  "Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]"
                            }
                        }
                    },
                "localname":  "MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofChangesinReserveforProductWarrantiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetCashProvidedByUsedInFinancingActivities":  {
                "auth_ref":  [
                    "r119"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from financing activities, including discontinued operations.  Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
                            "label":  "Net Cash Provided by (Used in) Financing Activities",
                            "totalLabel":  "Net cash used in financing activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInFinancingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Financing Activities [Abstract]",
                            "verboseLabel":  "Cash flows from financing activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInFinancingActivitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetCashProvidedByUsedInInvestingActivities":  {
                "auth_ref":  [
                    "r119"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from investing activities, including discontinued operations.  Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
                            "label":  "Net Cash Provided by (Used in) Investing Activities",
                            "totalLabel":  "Net cash (used in) provided by investing activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInInvestingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Investing Activities [Abstract]",
                            "verboseLabel":  "Cash flows from investing activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInInvestingActivitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetCashProvidedByUsedInOperatingActivities":  {
                "auth_ref":  [
                    "r119",
                    "r120",
                    "r123"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from operating activities, including discontinued operations.  Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
                            "label":  "Net Cash Provided by (Used in) Operating Activities",
                            "totalLabel":  "Net cash provided by operating activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInOperatingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Operating Activities [Abstract]",
                            "verboseLabel":  "Cash flows from operating activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInOperatingActivitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetIncomeLoss":  {
                "auth_ref":  [
                    "r6",
                    "r73",
                    "r75",
                    "r81",
                    "r85",
                    "r123",
                    "r137",
                    "r150",
                    "r155",
                    "r156",
                    "r157",
                    "r158",
                    "r161",
                    "r162",
                    "r174",
                    "r215",
                    "r227",
                    "r231",
                    "r234",
                    "r237",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r659",
                    "r678",
                    "r792",
                    "r818"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
                            "label":  "Net Income (Loss) Attributable to Parent",
                            "totalLabel":  "Net income attributable to Illumina stockholders"
                            }
                        }
                    },
                "localname":  "NetIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest":  {
                "auth_ref":  [
                    "r73",
                    "r75",
                    "r81",
                    "r161",
                    "r162",
                    "r617",
                    "r629"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetIncomeLoss",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of Net Income (Loss) attributable to noncontrolling interest.",
                            "label":  "Net Income (Loss) Attributable to Noncontrolling Interest",
                            "negatedTerseLabel":  "Add:  Net loss attributable to noncontrolling interests"
                            }
                        }
                    },
                "localname":  "NetIncomeLossAttributableToNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest":  {
                "auth_ref":  [
                    "r408",
                    "r617",
                    "r618"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest.  Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity.",
                            "label":  "Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest",
                            "terseLabel":  "Net income (loss)"
                            }
                        }
                    },
                "localname":  "NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "New Accounting Pronouncements or Change in Accounting Principle [Line Items]",
                            "terseLabel":  "New Accounting Pronouncements or Change in Accounting Principle [Line Items]"
                            }
                        }
                    },
                "localname":  "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable":  {
                "auth_ref":  [
                    "r0",
                    "r1",
                    "r2",
                    "r3",
                    "r4",
                    "r149",
                    "r150",
                    "r151",
                    "r152",
                    "r153",
                    "r154",
                    "r157",
                    "r163",
                    "r181",
                    "r256",
                    "r257",
                    "r281",
                    "r282",
                    "r283",
                    "r284",
                    "r285",
                    "r286",
                    "r348",
                    "r513",
                    "r514",
                    "r515",
                    "r516",
                    "r517",
                    "r518",
                    "r519",
                    "r520",
                    "r561",
                    "r562",
                    "r563",
                    "r564",
                    "r649",
                    "r650",
                    "r651",
                    "r652",
                    "r653",
                    "r654",
                    "r655",
                    "r656",
                    "r657",
                    "r658",
                    "r659",
                    "r679",
                    "r680",
                    "r681",
                    "r682",
                    "r683",
                    "r684",
                    "r685",
                    "r686",
                    "r718",
                    "r763",
                    "r764",
                    "r765",
                    "r830",
                    "r831",
                    "r832",
                    "r833",
                    "r834",
                    "r835",
                    "r836",
                    "r837",
                    "r838",
                    "r839",
                    "r840",
                    "r841",
                    "r884",
                    "r885",
                    "r886",
                    "r887",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.",
                            "label":  "Accounting Standards Update and Change in Accounting Principle [Table]",
                            "terseLabel":  "New Accounting Pronouncements or Change in Accounting Principle [Table]"
                            }
                        }
                    },
                "localname":  "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting.  Includes, but is not limited to, quantification of the expected or actual impact.",
                            "label":  "New Accounting Pronouncements, Policy [Policy Text Block]",
                            "terseLabel":  "Accounting Pronouncements Adopted and Pending Adoption"
                            }
                        }
                    },
                "localname":  "NewAccountingPronouncementsPolicyPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_NonUsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Countries excluding the United States of America (US).",
                            "label":  "Non-US [Member]",
                            "terseLabel":  "Outside the United States"
                            }
                        }
                    },
                "localname":  "NonUsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation":  {
                "auth_ref":  [
                    "r427",
                    "r619"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.",
                            "label":  "Noncontrolling Interest, Decrease from Deconsolidation",
                            "negatedTerseLabel":  "Deconsolidation of Helix"
                            }
                        }
                    },
                "localname":  "NoncontrollingInterestDecreaseFromDeconsolidation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NoncontrollingInterestMember":  {
                "auth_ref":  [
                    "r146",
                    "r147",
                    "r148",
                    "r426",
                    "r608"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent.  A noncontrolling interest is sometimes called a minority interest.",
                            "label":  "Noncontrolling Interest [Member]",
                            "terseLabel":  "Noncontrolling Interests"
                            }
                        }
                    },
                "localname":  "NoncontrollingInterestMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_NondesignatedMember":  {
                "auth_ref":  [
                    "r636"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).",
                            "label":  "Not Designated as Hedging Instrument [Member]",
                            "terseLabel":  "Not Designated as Hedging Instrument"
                            }
                        }
                    },
                "localname":  "NondesignatedMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeDerivativesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_NonoperatingIncomeExpense":  {
                "auth_ref":  [
                    "r99"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).",
                            "label":  "Nonoperating Income (Expense)",
                            "totalLabel":  "Total other income, net"
                            }
                        }
                    },
                "localname":  "NonoperatingIncomeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NonoperatingIncomeExpenseAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Nonoperating Income (Expense) [Abstract]",
                            "verboseLabel":  "Other income (expense):"
                            }
                        }
                    },
                "localname":  "NonoperatingIncomeExpenseAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NumberOfReportableSegments":  {
                "auth_ref":  [
                    "r203"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of segments reported by the entity.  A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.",
                            "label":  "Number of Reportable Segments",
                            "terseLabel":  "Number of reportable segment"
                            }
                        }
                    },
                "localname":  "NumberOfReportableSegments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "us-gaap_OperatingExpenses":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingIncomeLoss",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services.  Includes selling, general and administrative expense.",
                            "label":  "Operating Expenses",
                            "totalLabel":  "Total operating expense"
                            }
                        }
                    },
                "localname":  "OperatingExpenses",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingExpensesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Operating Expenses [Abstract]",
                            "verboseLabel":  "Operating expense:"
                            }
                        }
                    },
                "localname":  "OperatingExpensesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OperatingIncomeLoss":  {
                "auth_ref":  [
                    "r215",
                    "r227",
                    "r231",
                    "r234",
                    "r237"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The net result for the period of deducting operating expenses from operating revenues.",
                            "label":  "Operating Income (Loss)",
                            "terseLabel":  "Consolidated (loss) income from operations",
                            "totalLabel":  "(Loss) income from operations"
                            }
                        }
                    },
                "localname":  "OperatingIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseCost":  {
                "auth_ref":  [
                    "r710",
                    "r717"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LeaseCost",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term.  Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.",
                            "label":  "Operating Lease, Cost",
                            "verboseLabel":  "Operating lease costs"
                            }
                        }
                    },
                "localname":  "OperatingLeaseCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiability":  {
                "auth_ref":  [
                    "r704"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease.",
                            "label":  "Operating Lease, Liability",
                            "totalLabel":  "Total operating lease liabilities"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiability",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiabilityCurrent":  {
                "auth_ref":  [
                    "r704"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingLeaseLiability",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.",
                            "label":  "Operating Lease, Liability, Current",
                            "negatedLabel":  "Less: current portion",
                            "terseLabel":  "Operating lease liabilities, current portion"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilityCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList":  {
                "auth_ref":  [
                    "r705"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicates line item in statement of financial position that includes current operating lease liability.",
                            "label":  "Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]",
                            "terseLabel":  "Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "enumerationSetItemType"
                },
            "us-gaap_OperatingLeaseLiabilityNoncurrent":  {
                "auth_ref":  [
                    "r704"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingLeaseLiability",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.",
                            "label":  "Operating Lease, Liability, Noncurrent",
                            "terseLabel":  "Long-term operating lease liabilities",
                            "verboseLabel":  "Operating lease liabilities"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilityNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeasePayments":  {
                "auth_ref":  [
                    "r706",
                    "r712"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
                            "label":  "Operating Lease, Payments",
                            "terseLabel":  "Cash paid for operating lease liabilities"
                            }
                        }
                    },
                "localname":  "OperatingLeasePayments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseRightOfUseAsset":  {
                "auth_ref":  [
                    "r703"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's right to use underlying asset under operating lease.",
                            "label":  "Operating Lease, Right-of-Use Asset",
                            "terseLabel":  "Operating lease right-of-use assets"
                            }
                        }
                    },
                "localname":  "OperatingLeaseRightOfUseAsset",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent":  {
                "auth_ref":  [
                    "r714",
                    "r717"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average discount rate for operating lease calculated at point in time.",
                            "label":  "Operating Lease, Weighted Average Discount Rate, Percent",
                            "terseLabel":  "Weighted-average discount rate"
                            }
                        }
                    },
                "localname":  "OperatingLeaseWeightedAverageDiscountRatePercent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1":  {
                "auth_ref":  [
                    "r713",
                    "r717"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Operating Lease, Weighted Average Remaining Lease Term",
                            "terseLabel":  "Weighted-average remaining lease term"
                            }
                        }
                    },
                "localname":  "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofMaturitiesofOperatingLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_OperatingLossCarryforwards":  {
                "auth_ref":  [
                    "r554"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
                            "label":  "Operating Loss Carryforwards",
                            "verboseLabel":  "Net operating loss carryforwards"
                            }
                        }
                    },
                "localname":  "OperatingLossCarryforwards",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingSegmentsMember":  {
                "auth_ref":  [
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r237"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
                            "label":  "Operating Segments [Member]",
                            "terseLabel":  "Operating Segments"
                            }
                        }
                    },
                "localname":  "OperatingSegmentsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Organization, Consolidation and Presentation of Financial Statements [Abstract]",
                            "terseLabel":  "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
                            }
                        }
                    },
                "localname":  "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock":  {
                "auth_ref":  [
                    "r8",
                    "r145",
                    "r201",
                    "r631"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity.  May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows.  Describes procedure if disclosures are provided in more than one note to the financial statements.",
                            "label":  "Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]",
                            "verboseLabel":  "Organization and Significant Accounting Policies"
                            }
                        }
                    },
                "localname":  "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_OtherAccruedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r13",
                    "r14",
                    "r15",
                    "r52"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
                            "label":  "Other Accrued Liabilities, Current",
                            "terseLabel":  "Other, including warranties"
                            }
                        }
                    },
                "localname":  "OtherAccruedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherAssetsNoncurrent":  {
                "auth_ref":  [
                    "r47"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of noncurrent assets classified as other.",
                            "label":  "Other Assets, Noncurrent",
                            "verboseLabel":  "Other assets"
                            }
                        }
                    },
                "localname":  "OtherAssetsNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherCommitment":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Minimum amount of other commitment not otherwise specified in the taxonomy.  Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.",
                            "label":  "Other Commitment",
                            "terseLabel":  "Commitment in new venture capital investment fund"
                            }
                        }
                    },
                "localname":  "OtherCommitment",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent":  {
                "auth_ref":  [
                    "r70"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.",
                            "label":  "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent",
                            "terseLabel":  "Unrealized gain on cash flow hedges, net of deferred tax"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome",
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":  {
                "auth_ref":  [
                    "r68",
                    "r70"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).  Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.",
                            "label":  "OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax",
                            "terseLabel":  "Unrealized (loss) gain on available-for-sale debt securities, net of deferred tax"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome",
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherLiabilitiesNoncurrent":  {
                "auth_ref":  [
                    "r56"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
                            "label":  "Other Liabilities, Noncurrent",
                            "verboseLabel":  "Other long-term liabilities"
                            }
                        }
                    },
                "localname":  "OtherLiabilitiesNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherLongTermDebtNoncurrent":  {
                "auth_ref":  [
                    "r55"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.",
                            "label":  "Other Long-term Debt, Noncurrent",
                            "terseLabel":  "Term notes"
                            }
                        }
                    },
                "localname":  "OtherLongTermDebtNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherNoncashIncomeExpense":  {
                "auth_ref":  [
                    "r123"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.",
                            "label":  "Other Noncash Income (Expense)",
                            "negatedLabel":  "Other"
                            }
                        }
                    },
                "localname":  "OtherNoncashIncomeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherNonoperatingIncomeExpense":  {
                "auth_ref":  [
                    "r101"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NonoperatingIncomeExpense",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of income (expense) related to nonoperating activities, classified as other.",
                            "label":  "Other Nonoperating Income (Expense)",
                            "totalLabel":  "Other income, net",
                            "verboseLabel":  "Other income, net"
                            }
                        }
                    },
                "localname":  "OtherNonoperatingIncomeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsOtherIncomeNetDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherOperatingIncomeExpenseMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption encompassing other operating income (expense).",
                            "label":  "Other Operating Income (Expense) [Member]",
                            "terseLabel":  "Other Operating Income Expense"
                            }
                        }
                    },
                "localname":  "OtherOperatingIncomeExpenseMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities":  {
                "auth_ref":  [
                    "r114"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.",
                            "label":  "Payment for Contingent Consideration Liability, Financing Activities",
                            "negatedTerseLabel":  "Payments on contingent consideration liabilities"
                            }
                        }
                    },
                "localname":  "PaymentForContingentConsiderationLiabilityFinancingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentForContingentConsiderationLiabilityInvestingActivities":  {
                "auth_ref":  [
                    "r108"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.",
                            "label":  "Payment for Contingent Consideration Liability, Investing Activities",
                            "terseLabel":  "Payment of contingent consideration"
                            }
                        }
                    },
                "localname":  "PaymentForContingentConsiderationLiabilityInvestingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentForContingentConsiderationLiabilityOperatingActivities":  {
                "auth_ref":  [
                    "r115"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability exceeding amount recognized at acquisition date.  Includes, but is not limited to, measurement period adjustment and less amount paid soon after acquisition date.",
                            "label":  "Payment for Contingent Consideration Liability, Operating Activities",
                            "terseLabel":  "Payment for contingent consideration"
                            }
                        }
                    },
                "localname":  "PaymentForContingentConsiderationLiabilityOperatingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.",
                            "label":  "Payments for (Proceeds from) Derivative Instrument, Investing Activities",
                            "negatedTerseLabel":  "Cash received (paid for) derivative assets related to terminated acquisition"
                            }
                        }
                    },
                "localname":  "PaymentsForProceedsFromDerivativeInstrumentInvestingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsForRepurchaseOfCommonStock":  {
                "auth_ref":  [
                    "r112"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow to reacquire common stock during the period.",
                            "label":  "Payments for Repurchase of Common Stock",
                            "negatedLabel":  "Common stock repurchases",
                            "terseLabel":  "Common stock repurchases"
                            }
                        }
                    },
                "localname":  "PaymentsForRepurchaseOfCommonStock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation":  {
                "auth_ref":  [
                    "r112"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.",
                            "label":  "Payment, Tax Withholding, Share-based Payment Arrangement",
                            "negatedTerseLabel":  "Taxes paid related to net share settlement of equity awards"
                            }
                        }
                    },
                "localname":  "PaymentsRelatedToTaxWithholdingForShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt":  {
                "auth_ref":  [
                    "r102",
                    "r105",
                    "r259"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Payments to Acquire Debt Securities, Available-for-sale",
                            "negatedLabel":  "Purchases of available-for-sale securities"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireAvailableForSaleSecuritiesDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireBusinessesGross":  {
                "auth_ref":  [
                    "r106",
                    "r601"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of business during the period.  The cash portion only of the acquisition price.",
                            "label":  "Payments to Acquire Businesses, Gross",
                            "terseLabel":  "Cash"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireBusinessesGross",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired":  {
                "auth_ref":  [
                    "r106"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.",
                            "label":  "Payments to Acquire Businesses, Net of Cash Acquired",
                            "negatedLabel":  "Net cash paid for acquisitions"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireBusinessesNetOfCashAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireEquitySecuritiesFvNi":  {
                "auth_ref":  [
                    "r116",
                    "r272"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow to acquire investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity.",
                            "label":  "Payments to Acquire Equity Securities, FV-NI",
                            "terseLabel":  "Payments to acquire additional investments"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireEquitySecuritiesFvNi",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r107"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
                            "label":  "Payments to Acquire Property, Plant, and Equipment",
                            "negatedLabel":  "Purchases of property and equipment",
                            "terseLabel":  "Consolidated capital expenditures"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquirePropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PerformanceSharesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-based payment arrangement awarded for meeting performance target.",
                            "label":  "Performance Shares [Member]",
                            "terseLabel":  "PSU",
                            "verboseLabel":  "PSU"
                            }
                        }
                    },
                "localname":  "PerformanceSharesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PlanNameAxis":  {
                "auth_ref":  [
                    "r483",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by plan name for share-based payment arrangement.",
                            "label":  "Plan Name [Axis]",
                            "terseLabel":  "Plan Name [Axis]"
                            }
                        }
                    },
                "localname":  "PlanNameAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PlanNameDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Plan name for share-based payment arrangement.",
                            "label":  "Plan Name [Domain]",
                            "terseLabel":  "Plan Name [Domain]"
                            }
                        }
                    },
                "localname":  "PlanNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PostemploymentBenefitsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Postemployment Benefits [Abstract]",
                            "terseLabel":  "Postemployment Benefits [Abstract]"
                            }
                        }
                    },
                "localname":  "PostemploymentBenefitsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PreferredStockParOrStatedValuePerShare":  {
                "auth_ref":  [
                    "r27",
                    "r412"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.",
                            "label":  "Preferred Stock, Par or Stated Value Per Share",
                            "terseLabel":  "Preferred stock, par value (in dollars per share)"
                            }
                        }
                    },
                "localname":  "PreferredStockParOrStatedValuePerShare",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_PreferredStockSharesAuthorized":  {
                "auth_ref":  [
                    "r27"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
                            "label":  "Preferred Stock, Shares Authorized",
                            "terseLabel":  "Preferred stock, shares authorized (in shares)"
                            }
                        }
                    },
                "localname":  "PreferredStockSharesAuthorized",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_PreferredStockSharesIssued":  {
                "auth_ref":  [
                    "r27",
                    "r412"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury).  May be all or portion of the number of preferred shares authorized.  Excludes preferred shares that are classified as debt.",
                            "label":  "Preferred Stock, Shares Issued",
                            "terseLabel":  "Preferred stock, shares issued (in shares)"
                            }
                        }
                    },
                "localname":  "PreferredStockSharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_PreferredStockSharesOutstanding":  {
                "auth_ref":  [
                    "r27"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders.  Does not include preferred shares that have been repurchased.",
                            "label":  "Preferred Stock, Shares Outstanding",
                            "terseLabel":  "Preferred stock, shares outstanding (in shares)"
                            }
                        }
                    },
                "localname":  "PreferredStockSharesOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_PreferredStockValue":  {
                "auth_ref":  [
                    "r27",
                    "r726"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer).  This item includes treasury stock repurchased by the entity.  Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
                            "label":  "Preferred Stock, Value, Issued",
                            "terseLabel":  "Preferred stock, $0.01\u00a0par value, 10 million\u00a0shares authorized; no shares issued and outstanding at January 2, 2022 and January 3, 2021"
                            }
                        }
                    },
                "localname":  "PreferredStockValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PrepaidExpenseAndOtherAssetsCurrent":  {
                "auth_ref":  [
                    "r11",
                    "r41",
                    "r42"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
                            "label":  "Prepaid Expense and Other Assets, Current",
                            "verboseLabel":  "Prepaid expenses and other current assets"
                            }
                        }
                    },
                "localname":  "PrepaidExpenseAndOtherAssetsCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromDebtNetOfIssuanceCosts":  {
                "auth_ref":  [
                    "r111"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.",
                            "label":  "Proceeds from Debt, Net of Issuance Costs",
                            "terseLabel":  "Net proceeds from issuance, after deducting offering expenses payable"
                            }
                        }
                    },
                "localname":  "ProceedsFromDebtNetOfIssuanceCosts",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromDivestitureOfInterestInJointVenture":  {
                "auth_ref":  [
                    "r104"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.",
                            "label":  "Proceeds from Divestiture of Interest in Joint Venture",
                            "netLabel":  "Proceeds from the deconsolidation of GRAIL"
                            }
                        }
                    },
                "localname":  "ProceedsFromDivestitureOfInterestInJointVenture",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromIssuanceOfCommonStock":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from the additional capital contribution to the entity.",
                            "label":  "Proceeds from Issuance of Common Stock",
                            "verboseLabel":  "Proceeds from issuance of common stock"
                            }
                        }
                    },
                "localname":  "ProceedsFromIssuanceOfCommonStock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromIssuanceOfLongTermDebt":  {
                "auth_ref":  [
                    "r111"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.",
                            "label":  "Proceeds from Issuance of Long-term Debt",
                            "terseLabel":  "Net proceeds from issuance of debt"
                            }
                        }
                    },
                "localname":  "ProceedsFromIssuanceOfLongTermDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities":  {
                "auth_ref":  [
                    "r102",
                    "r103",
                    "r259"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale",
                            "terseLabel":  "Maturities of available-for-sale securities"
                            }
                        }
                    },
                "localname":  "ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt":  {
                "auth_ref":  [
                    "r102",
                    "r103",
                    "r259"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Proceeds from Sale of Debt Securities, Available-for-sale",
                            "terseLabel":  "Sales of available-for-sale securities"
                            }
                        }
                    },
                "localname":  "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProductMember":  {
                "auth_ref":  [
                    "r457"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Article or substance produced by nature, labor or machinery.",
                            "label":  "Product [Member]",
                            "terseLabel":  "Product revenue",
                            "verboseLabel":  "Total product revenue"
                            }
                        }
                    },
                "localname":  "ProductMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ProductWarrantyAccrual":  {
                "auth_ref":  [
                    "r344",
                    "r345",
                    "r789"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.",
                            "label":  "Standard and Extended Product Warranty Accrual",
                            "periodEndLabel":  "Balance as of end of period",
                            "periodStartLabel":  "Balance as of beginning of period"
                            }
                        }
                    },
                "localname":  "ProductWarrantyAccrual",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofChangesinReserveforProductWarrantiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProductWarrantyAccrualPayments":  {
                "auth_ref":  [
                    "r341"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.",
                            "label":  "Standard and Extended Product Warranty Accrual, Decrease for Payments",
                            "negatedTerseLabel":  "Repairs and replacements"
                            }
                        }
                    },
                "localname":  "ProductWarrantyAccrualPayments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofChangesinReserveforProductWarrantiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProductWarrantyAccrualWarrantiesIssued":  {
                "auth_ref":  [
                    "r342"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in the standard and extended product warranty accrual from warranties issued.",
                            "label":  "Standard and Extended Product Warranty Accrual, Increase for Warranties Issued",
                            "verboseLabel":  "Additions charged to cost of product revenue"
                            }
                        }
                    },
                "localname":  "ProductWarrantyAccrualWarrantiesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofChangesinReserveforProductWarrantiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProductWarrantyLiabilityLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Product Warranty Liability [Line Items]",
                            "terseLabel":  "Product Warranty Liability [Line Items]"
                            }
                        }
                    },
                "localname":  "ProductWarrantyLiabilityLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ProductWarrantyLiabilityTable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about product warranty liability, including, but not limited to, reductions in the liability for payments made under the warranty, changes in the liability for accruals related to product warranties issued, and changes in the liability for accruals related to preexisting warranties.",
                            "label":  "Product Warranty Liability [Table]",
                            "terseLabel":  "Product Warranty Liability [Table]"
                            }
                        }
                    },
                "localname":  "ProductWarrantyLiabilityTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeWarrantiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ProfitLoss":  {
                "auth_ref":  [
                    "r6",
                    "r73",
                    "r75",
                    "r81",
                    "r117",
                    "r137",
                    "r150",
                    "r161",
                    "r162",
                    "r215",
                    "r227",
                    "r231",
                    "r234",
                    "r237",
                    "r280",
                    "r349",
                    "r350",
                    "r351",
                    "r354",
                    "r355",
                    "r356",
                    "r358",
                    "r360",
                    "r362",
                    "r363",
                    "r610",
                    "r616",
                    "r618",
                    "r629",
                    "r630",
                    "r659",
                    "r678",
                    "r798"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  23.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetIncomeLoss",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.",
                            "label":  "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
                            "terseLabel":  "Consolidated net income",
                            "totalLabel":  "Consolidated net income"
                            }
                        }
                    },
                "localname":  "ProfitLoss",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows",
                    "http://www.illumina.com/role/ConsolidatedStatementsofComprehensiveIncome",
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentByTypeAxis":  {
                "auth_ref":  [
                    "r46",
                    "r331"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.",
                            "label":  "Long-Lived Tangible Asset [Axis]",
                            "terseLabel":  "Property, Plant and Equipment, Type [Axis]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentGross":  {
                "auth_ref":  [
                    "r45",
                    "r329"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale.  Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
                            "label":  "Property, Plant and Equipment, Gross",
                            "terseLabel":  "Total property and equipment, gross"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentGross",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Property, Plant and Equipment [Line Items]",
                            "terseLabel":  "Property, Plant and Equipment [Line Items]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentNet":  {
                "auth_ref":  [
                    "r18",
                    "r19",
                    "r331",
                    "r726",
                    "r803",
                    "r816"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        },
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale.  Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
                            "label":  "Property, Plant and Equipment, Net",
                            "totalLabel":  "Total property and equipment, net",
                            "verboseLabel":  "Property and equipment, net"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentNet",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock":  {
                "auth_ref":  [
                    "r44",
                    "r331",
                    "r852",
                    "r853"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale.  Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
                            "label":  "Property, Plant and Equipment, Policy [Policy Text Block]",
                            "terseLabel":  "Property and Equipment"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentTextBlock":  {
                "auth_ref":  [
                    "r18",
                    "r331"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale.  Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
                            "label":  "Property, Plant and Equipment [Table Text Block]",
                            "terseLabel":  "Schedule of Property and Equipment",
                            "verboseLabel":  "Schedule of Estimated Useful Lives of Major Classes of Property and Equipment"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesTables",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentTypeDomain":  {
                "auth_ref":  [
                    "r18",
                    "r329"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.  Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
                            "label":  "Long-Lived Tangible Asset [Domain]",
                            "terseLabel":  "Property, Plant and Equipment, Type [Domain]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentUsefulLife":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.  Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.",
                            "label":  "Property, Plant and Equipment, Useful Life",
                            "terseLabel":  "Useful life"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentUsefulLife",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_ReclassificationsOfTemporaryToPermanentEquity":  {
                "auth_ref":  [
                    "r409",
                    "r647"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The difference between the carrying amount of a financial instrument subject to a registration payment arrangement recorded as temporary equity prior to adoption of FSP EITF 00-19-2 and the carrying amount reclassified to permanent equity upon the adoption of FSP EITF 00-19-2.  Recorded as a cumulative effect adjustment to the beginning balance of retained earnings.  Does not apply to registration payment arrangements that are no longer outstanding upon adoption of FSP EITF 00-19-2.",
                            "label":  "Reclassifications of Temporary to Permanent Equity",
                            "terseLabel":  "Vesting of redeemable equity awards"
                            }
                        }
                    },
                "localname":  "ReclassificationsOfTemporaryToPermanentEquity",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]",
                            "terseLabel":  "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]"
                            }
                        }
                    },
                "localname":  "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RelatedPartyDomain":  {
                "auth_ref":  [
                    "r473",
                    "r719",
                    "r720"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families.  It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
                            "label":  "Related Party [Domain]",
                            "terseLabel":  "Related Party [Domain]"
                            }
                        }
                    },
                "localname":  "RelatedPartyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis":  {
                "auth_ref":  [
                    "r473",
                    "r719",
                    "r722",
                    "r767",
                    "r768",
                    "r769",
                    "r770",
                    "r771",
                    "r772",
                    "r773",
                    "r774",
                    "r775",
                    "r776",
                    "r777",
                    "r778"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of related party.  Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families.  It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
                            "label":  "Related Party [Axis]",
                            "terseLabel":  "Related Party [Axis]"
                            }
                        }
                    },
                "localname":  "RelatedPartyTransactionsByRelatedPartyAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RepaymentsOfConvertibleDebt":  {
                "auth_ref":  [
                    "r113"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.",
                            "label":  "Repayments of Convertible Debt",
                            "negatedTerseLabel":  "Payments on convertible senior notes"
                            }
                        }
                    },
                "localname":  "RepaymentsOfConvertibleDebt",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ReportingUnitAxis":  {
                "auth_ref":  [
                    "r309",
                    "r310"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by reporting unit.",
                            "label":  "Reporting Unit [Axis]",
                            "terseLabel":  "Reporting Units [Axis]"
                            }
                        }
                    },
                "localname":  "ReportingUnitAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ReportingUnitDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Level of reporting at which goodwill is tested for impairment.",
                            "label":  "Reporting Unit [Domain]",
                            "terseLabel":  "Reporting Unit [Domain]"
                            }
                        }
                    },
                "localname":  "ReportingUnitDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpense":  {
                "auth_ref":  [
                    "r528",
                    "r760",
                    "r866"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingExpenses",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.",
                            "label":  "Research and Development Expense",
                            "verboseLabel":  "Research and development"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpenseMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption in which the reported facts about research and development expense have been included.",
                            "label":  "Research and Development Expense [Member]",
                            "terseLabel":  "Research and development",
                            "verboseLabel":  "Research and development"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpenseMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpensePolicy":  {
                "auth_ref":  [
                    "r528"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.",
                            "label":  "Research and Development Expense, Policy [Policy Text Block]",
                            "terseLabel":  "Research and Development"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpensePolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RestrictedStockUnitsRSUMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
                            "label":  "Restricted Stock Units (RSUs) [Member]",
                            "terseLabel":  "RSU",
                            "verboseLabel":  "RSU"
                            }
                        }
                    },
                "localname":  "RestrictedStockUnitsRSUMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RetainedEarningsAccumulatedDeficit":  {
                "auth_ref":  [
                    "r31",
                    "r426",
                    "r520",
                    "r726",
                    "r814",
                    "r836",
                    "r841"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
                            "label":  "Retained Earnings (Accumulated Deficit)",
                            "terseLabel":  "Retained earnings (accumulated deficit)",
                            "verboseLabel":  "Retained earnings"
                            }
                        }
                    },
                "localname":  "RetainedEarningsAccumulatedDeficit",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RetainedEarningsMember":  {
                "auth_ref":  [
                    "r2",
                    "r146",
                    "r147",
                    "r148",
                    "r151",
                    "r160",
                    "r162",
                    "r284",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r657",
                    "r832",
                    "r834"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
                            "label":  "Retained Earnings [Member]",
                            "terseLabel":  "Retained Earnings"
                            }
                        }
                    },
                "localname":  "RetainedEarningsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Revenue from Contract with Customer [Abstract]",
                            "terseLabel":  "Revenue from Contract with Customer [Abstract]"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax":  {
                "auth_ref":  [
                    "r206",
                    "r207",
                    "r226",
                    "r232",
                    "r233",
                    "r239",
                    "r240",
                    "r244",
                    "r452",
                    "r453",
                    "r761"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_GrossProfit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer.  Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.",
                            "label":  "Revenue from Contract with Customer, Excluding Assessed Tax",
                            "netLabel":  "Consolidated revenue",
                            "terseLabel":  "Revenue",
                            "verboseLabel":  "Total revenue"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerExcludingAssessedTax",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerMember":  {
                "auth_ref":  [
                    "r195",
                    "r244"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Revenue from satisfaction of performance obligation by transferring promised product and service to customer, when it serves as benchmark in concentration of risk calculation.",
                            "label":  "Revenue from Contract with Customer Benchmark [Member]",
                            "verboseLabel":  "Sales Revenue, Net"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeConcentrationsofRiskDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock":  {
                "auth_ref":  [
                    "r133",
                    "r444",
                    "r445",
                    "r446",
                    "r447",
                    "r448",
                    "r449",
                    "r450",
                    "r451",
                    "r459"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for revenue from contract with customer.",
                            "label":  "Revenue from Contract with Customer [Policy Text Block]",
                            "verboseLabel":  "Revenue Recognition, Shipping and Handling Expenses"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerTextBlock":  {
                "auth_ref":  [
                    "r434",
                    "r435",
                    "r436",
                    "r437",
                    "r438",
                    "r439",
                    "r442",
                    "r443",
                    "r456",
                    "r459"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset.  Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer.  Excludes insurance and lease contracts.",
                            "label":  "Revenue from Contract with Customer [Text Block]",
                            "terseLabel":  "Revenue"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/Revenue"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RevenueFromRelatedParties":  {
                "auth_ref":  [
                    "r92",
                    "r352",
                    "r354",
                    "r355",
                    "r361",
                    "r362",
                    "r363",
                    "r847"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.",
                            "label":  "Revenue from Related Parties",
                            "terseLabel":  "Revenue from transactions with strategic investees"
                            }
                        }
                    },
                "localname":  "RevenueFromRelatedParties",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligation":  {
                "auth_ref":  [
                    "r440"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.",
                            "label":  "Revenue, Remaining Performance Obligation, Amount",
                            "terseLabel":  "Remaining performance obligation"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]",
                            "terseLabel":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1":  {
                "auth_ref":  [
                    "r441"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period",
                            "terseLabel":  "Revenue, remaining performance obligation, expected timing of satisfaction, period"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis":  {
                "auth_ref":  [
                    "r441"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Start date of time band for expected timing of satisfaction of remaining performance obligation, in YYYY-MM-DD format.",
                            "label":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]",
                            "terseLabel":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about expected timing for satisfying remaining performance obligation.",
                            "label":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]",
                            "terseLabel":  "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenueRemainingPerformanceObligationPercentage":  {
                "auth_ref":  [
                    "r441"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.",
                            "label":  "Revenue, Remaining Performance Obligation, Percentage",
                            "terseLabel":  "Percent of remaining performance obligation"
                            }
                        }
                    },
                "localname":  "RevenueRemainingPerformanceObligationPercentage",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueRemainingPerformanceObligationDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_RevenuesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Revenues [Abstract]",
                            "verboseLabel":  "Revenue:"
                            }
                        }
                    },
                "localname":  "RevenuesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Revenues from External Customers and Long-Lived Assets [Line Items]",
                            "verboseLabel":  "Revenues from External Customers and Long-Lived Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevolvingCreditFacilityMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
                            "label":  "Revolving Credit Facility [Member]",
                            "terseLabel":  "Revolving Credit Facility"
                            }
                        }
                    },
                "localname":  "RevolvingCreditFacilityMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock":  {
                "auth_ref":  [
                    "r61"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date.  Presentation is categorized by current, noncurrent and unclassified receivables.",
                            "label":  "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]",
                            "terseLabel":  "Schedule of Accounts Receivable"
                            }
                        }
                    },
                "localname":  "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of accrued liabilities.",
                            "label":  "Schedule of Accrued Liabilities [Table Text Block]",
                            "verboseLabel":  "Schedule of Accrued Liabilities"
                            }
                        }
                    },
                "localname":  "ScheduleOfAccruedLiabilitiesTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Debt Securities, Available-for-sale [Line Items]",
                            "terseLabel":  "Debt Securities, Available-for-sale [Line Items]"
                            }
                        }
                    },
                "localname":  "ScheduleOfAvailableForSaleSecuritiesLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
                            "label":  "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
                            "verboseLabel":  "Schedule of Short-term Investments"
                            }
                        }
                    },
                "localname":  "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfAvailableForSaleSecuritiesTable":  {
                "auth_ref":  [
                    "r264",
                    "r265",
                    "r268",
                    "r269",
                    "r270",
                    "r271",
                    "r800",
                    "r801"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.",
                            "label":  "Schedule of Available-for-sale Securities [Table]",
                            "terseLabel":  "Schedule of Available-for-sale Securities [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfAvailableForSaleSecuritiesTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock":  {
                "auth_ref":  [
                    "r584",
                    "r585"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities.  This table  does not include leveraged buyouts.",
                            "label":  "Schedule of Business Acquisitions, by Acquisition [Table Text Block]",
                            "terseLabel":  "Schedule of Total Purchase Price"
                            }
                        }
                    },
                "localname":  "ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock":  {
                "auth_ref":  [
                    "r560"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.",
                            "label":  "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]",
                            "terseLabel":  "Schedule of Provision for Income Taxes"
                            }
                        }
                    },
                "localname":  "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfDebtConversionsTextBlock":  {
                "auth_ref":  [
                    "r127",
                    "r128",
                    "r129"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of information on an original debt issue that has been converted in a noncash (or part noncash) transaction during the accounting period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.  The information may be presented entirely or partially in this block of text or in the associated elements.",
                            "label":  "Schedule of Debt Conversions [Table Text Block]",
                            "terseLabel":  "Schedule of Debt Conversions"
                            }
                        }
                    },
                "localname":  "ScheduleOfDebtConversionsTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfDebtTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.",
                            "label":  "Schedule of Debt [Table Text Block]",
                            "terseLabel":  "Schedule of Debt Obligations"
                            }
                        }
                    },
                "localname":  "ScheduleOfDebtTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable":  {
                "auth_ref":  [
                    "r461",
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule, table or text reflecting pension and other postretirement benefit arrangements with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements.  This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee.  Disclosure also typically includes the amount of related compensation expense recognized during the reporting period and the carrying amount as of the balance sheet date of the related liability.",
                            "label":  "Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table]",
                            "terseLabel":  "Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/EmployeeBenefitPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock":  {
                "auth_ref":  [
                    "r551"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.",
                            "label":  "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]",
                            "terseLabel":  "Schedule of Significant Components of Deferred Tax Assets and Liabilities"
                            }
                        }
                    },
                "localname":  "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock":  {
                "auth_ref":  [
                    "r535"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.",
                            "label":  "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
                            "terseLabel":  "Schedule of Reconciliation of Provision for Income Taxes to Amount Computed by Applying the Federal Statutory Rate"
                            }
                        }
                    },
                "localname":  "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock":  {
                "auth_ref":  [
                    "r482",
                    "r508",
                    "r522"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position.  Includes, but is not limited to, corresponding line item in financial statement.",
                            "label":  "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]",
                            "terseLabel":  "Schedule of Share-based Compensation Expense for all Stock Awards"
                            }
                        }
                    },
                "localname":  "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable":  {
                "auth_ref":  [
                    "r239"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular presentation of the description and amount of revenues from a product or service, or a group of similar products or similar services, reported from external customers during the period, if the information is not provided as part of the reportable operating segment information.",
                            "label":  "Revenue from External Customers by Products and Services [Table]",
                            "terseLabel":  "Revenue from External Customers by Products and Services [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRevenueRecognitionDetails",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock":  {
                "auth_ref":  [
                    "r660",
                    "r661"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis.  The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
                            "label":  "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]",
                            "verboseLabel":  "Schedule of Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis"
                            }
                        }
                    },
                "localname":  "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable":  {
                "auth_ref":  [
                    "r314",
                    "r321",
                    "r762"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Schedule of Finite-Lived Intangible Assets [Table]",
                            "terseLabel":  "Schedule of Finite-Lived Intangible Assets [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfFiniteLivedIntangibleAssetsTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsPreliminaryFairValueofAssetsAcquiredandLiabilitiesAssumedDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock":  {
                "auth_ref":  [
                    "r314",
                    "r321"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.",
                            "label":  "Schedule of Finite-Lived Intangible Assets [Table Text Block]",
                            "terseLabel":  "Schedule of Finite-lived Intangible Assets"
                            }
                        }
                    },
                "localname":  "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfGoodwillTable":  {
                "auth_ref":  [
                    "r308",
                    "r311"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of goodwill and the changes during the year due to acquisition, sale, impairment or for other reasons.",
                            "label":  "Schedule of Goodwill [Table]",
                            "terseLabel":  "Schedule of Goodwill [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfGoodwillTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofTotalPurchasePriceDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfGoodwillTextBlock":  {
                "auth_ref":  [
                    "r308",
                    "r311"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.",
                            "label":  "Schedule of Goodwill [Table Text Block]",
                            "verboseLabel":  "Schedule of Goodwill"
                            }
                        }
                    },
                "localname":  "ScheduleOfGoodwillTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock":  {
                "auth_ref":  [
                    "r138"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of income before income tax between domestic and foreign jurisdictions.",
                            "label":  "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]",
                            "terseLabel":  "Schedule of Income (Loss) before Income Taxes by Region"
                            }
                        }
                    },
                "localname":  "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable":  {
                "auth_ref":  [
                    "r325",
                    "r327"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity.",
                            "label":  "Schedule of Indefinite-Lived Intangible Assets [Table]",
                            "terseLabel":  "Schedule of Indefinite-Lived Intangible Assets [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfIndefiniteLivedIntangibleAssetsTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofProFormaInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfInventoryCurrentTableTextBlock":  {
                "auth_ref":  [
                    "r16",
                    "r38",
                    "r39",
                    "r40"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
                            "label":  "Schedule of Inventory, Current [Table Text Block]",
                            "verboseLabel":  "Schedule of Inventory"
                            }
                        }
                    },
                "localname":  "ScheduleOfInventoryCurrentTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.",
                            "label":  "Schedule of Other Nonoperating Income (Expense) [Table Text Block]",
                            "terseLabel":  "Schedule of Other Nonoperating Income (Expense)"
                            }
                        }
                    },
                "localname":  "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock":  {
                "auth_ref":  [
                    "r346"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.",
                            "label":  "Schedule of Product Warranty Liability [Table Text Block]",
                            "terseLabel":  "Schedule of Changes in Reserve for Product Warranties"
                            }
                        }
                    },
                "localname":  "ScheduleOfProductWarrantyLiabilityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable":  {
                "auth_ref":  [
                    "r46",
                    "r331"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale.  Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
                            "label":  "Property, Plant and Equipment [Table]",
                            "terseLabel":  "Property, Plant and Equipment [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfPropertyPlantAndEquipmentTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeLeasesDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofEstimatedUsefulLivesofMajorClassesofPropertyandEquipmentDetails",
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock":  {
                "auth_ref":  [
                    "r588"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed.  May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree.",
                            "label":  "Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]",
                            "terseLabel":  "Schedule of Preliminary Fair Value of Assets Acquired and Liabilities Assumed"
                            }
                        }
                    },
                "localname":  "ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable":  {
                "auth_ref":  [
                    "r83",
                    "r243"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material.  An entity may also provide subtotals of geographic information about groups of countries.",
                            "label":  "Schedule of Revenues from External Customers and Long-Lived Assets [Table]",
                            "verboseLabel":  "Net long-lived assets consisting of property and equipment by region [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofNetLonglivedAssetsConsistingofPropertyandEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable":  {
                "auth_ref":  [
                    "r215",
                    "r218",
                    "r230",
                    "r308"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A table disclosing the profit or loss and total assets for each reportable segment of the entity.  An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
                            "label":  "Schedule of Segment Reporting Information, by Segment [Table]",
                            "terseLabel":  "Schedule of Segment Reporting Information, by Segment [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfSegmentReportingInformationBySegmentTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock":  {
                "auth_ref":  [
                    "r215",
                    "r218",
                    "r230",
                    "r308"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the profit or loss and total assets for each reportable segment.  An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
                            "label":  "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
                            "terseLabel":  "Schedule of Operating Performance and Assets by Segment"
                            }
                        }
                    },
                "localname":  "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock":  {
                "auth_ref":  [
                    "r503"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding restricted stock units that are fully vested and expected to vest.  Includes, but is not limited to, unvested restricted stock units for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block]",
                            "terseLabel":  "Schedule of Pre-tax Intrinsic Values of Vested Restricted Stock"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable":  {
                "auth_ref":  [
                    "r483",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about share-based payment arrangement.",
                            "label":  "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
                            "terseLabel":  "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock":  {
                "auth_ref":  [
                    "r490",
                    "r499",
                    "r502"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure for stock option plans.  Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.",
                            "label":  "Share-based Payment Arrangement, Option, Activity [Table Text Block]",
                            "terseLabel":  "Schedule of Stock Option Activity Under all Stock Option Plans"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock":  {
                "auth_ref":  [
                    "r504"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.",
                            "label":  "Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]",
                            "terseLabel":  "Schedule of Assumptions used to Estimate the Weighted-Average Fair Value Per Share for Stock Purchase under the Employee Stock Purchase Plan"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.",
                            "label":  "Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]",
                            "verboseLabel":  "Schedule of Restricted Stock Activity and Related Information, Restricted Stock"
                            }
                        }
                    },
                "localname":  "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfShortTermDebtTable":  {
                "auth_ref":  [
                    "r50"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A table or schedule providing information pertaining to borrowings under which repayment was required in less than twelve months (or normal operating cycle, if longer) after its issuance.  It may include: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date and measures of the maximum and average amount outstanding during the period; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation.",
                            "label":  "Schedule of Short-term Debt [Table]",
                            "terseLabel":  "Schedule of Short-term Debt [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfShortTermDebtTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfStockByClassTable":  {
                "auth_ref":  [
                    "r58",
                    "r135",
                    "r185",
                    "r186",
                    "r406",
                    "r410",
                    "r411",
                    "r412",
                    "r413",
                    "r414",
                    "r415",
                    "r416",
                    "r417",
                    "r418",
                    "r420",
                    "r421",
                    "r422",
                    "r423",
                    "r424",
                    "r425",
                    "r426"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule detailing information related to equity by class of stock.  Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer.  It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.",
                            "label":  "Schedule of Stock by Class [Table]",
                            "terseLabel":  "Schedule of Stock by Class [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfStockByClassTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock":  {
                "auth_ref":  [
                    "r179"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).",
                            "label":  "Schedule of Weighted Average Number of Shares [Table Text Block]",
                            "verboseLabel":  "Schedule of Calculation of Weighted Average Shares used to Calculate Basic and Diluted Earnings Per Share, Earnings Per Share"
                            }
                        }
                    },
                "localname":  "ScheduleOfWeightedAverageNumberOfSharesTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock":  {
                "auth_ref":  [
                    "r321"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.",
                            "label":  "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]",
                            "terseLabel":  "Schedule of Estimated Annual Amortization of Finite-lived Intangible Assets"
                            }
                        }
                    },
                "localname":  "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SegmentDomain":  {
                "auth_ref":  [
                    "r202",
                    "r206",
                    "r207",
                    "r208",
                    "r209",
                    "r210",
                    "r211",
                    "r212",
                    "r213",
                    "r214",
                    "r215",
                    "r216",
                    "r217",
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r232",
                    "r233",
                    "r234",
                    "r235",
                    "r237",
                    "r244",
                    "r335",
                    "r336",
                    "r825"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
                            "label":  "Segments [Domain]",
                            "terseLabel":  "Segments [Domain]"
                            }
                        }
                    },
                "localname":  "SegmentDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_SegmentReportingAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Segment Reporting [Abstract]",
                            "terseLabel":  "Segment Reporting [Abstract]"
                            }
                        }
                    },
                "localname":  "SegmentReportingAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SegmentReportingDisclosureTextBlock":  {
                "auth_ref":  [
                    "r202",
                    "r204",
                    "r205",
                    "r215",
                    "r219",
                    "r231",
                    "r235",
                    "r236",
                    "r237",
                    "r238",
                    "r239",
                    "r243",
                    "r244",
                    "r245"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for reporting segments including data and tables.  Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
                            "label":  "Segment Reporting Disclosure [Text Block]",
                            "terseLabel":  "Segments and Geographic Data"
                            }
                        }
                    },
                "localname":  "SegmentReportingDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicData"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SegmentReportingInformationLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Segment Reporting Information [Line Items]",
                            "terseLabel":  "Segment Reporting Information [Line Items]"
                            }
                        }
                    },
                "localname":  "SegmentReportingInformationLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SegmentReportingPolicyPolicyTextBlock":  {
                "auth_ref":  [
                    "r220",
                    "r221",
                    "r222",
                    "r223",
                    "r224",
                    "r225",
                    "r240"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for segment reporting.",
                            "label":  "Segment Reporting, Policy [Policy Text Block]",
                            "terseLabel":  "Segments"
                            }
                        }
                    },
                "localname":  "SegmentReportingPolicyPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SellingGeneralAndAdministrativeExpense":  {
                "auth_ref":  [
                    "r96"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingExpenses",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses.  Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products.  Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges.  General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.",
                            "label":  "Selling, General and Administrative Expense",
                            "verboseLabel":  "Selling, general and administrative"
                            }
                        }
                    },
                "localname":  "SellingGeneralAndAdministrativeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SellingGeneralAndAdministrativeExpensesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption encompassing selling, general and administrative expense.",
                            "label":  "Selling, General and Administrative Expenses [Member]",
                            "terseLabel":  "Selling, general and administrative"
                            }
                        }
                    },
                "localname":  "SellingGeneralAndAdministrativeExpensesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember":  {
                "auth_ref":  [
                    "r585"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Represents the aggregation and reporting of combined amounts of individually immaterial business combinations that were completed during the period.",
                            "label":  "Series of Individually Immaterial Business Acquisitions [Member]",
                            "terseLabel":  "Series of Individually Immaterial Business Acquisitions"
                            }
                        }
                    },
                "localname":  "SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ServiceOtherMember":  {
                "auth_ref":  [
                    "r457"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Assistance, including, but not limited to, technology, license and maintenance, license and service, maintenance, oil and gas, financial service, and other financial service, classified as other.",
                            "label":  "Service, Other [Member]",
                            "terseLabel":  "Service and other revenue",
                            "verboseLabel":  "Service and other revenue"
                            }
                        }
                    },
                "localname":  "ServiceOtherMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensation":  {
                "auth_ref":  [
                    "r121"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows":  {
                        "order":  15.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of noncash expense for share-based payment arrangement.",
                            "label":  "Share-based Payment Arrangement, Noncash Expense",
                            "terseLabel":  "Share-based compensation expense"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.",
                            "label":  "Share-based Payment Arrangement, Accelerated Cost",
                            "terseLabel":  "Share-based payment arrangement, accelerated cost"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1":  {
                "auth_ref":  [
                    "r484"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.  Includes, but is not limited to, combination of market, performance or service condition.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
                            "terseLabel":  "Share based compensation vesting performance period"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod":  {
                "auth_ref":  [
                    "r494"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period",
                            "negatedLabel":  "Cancelled (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r498"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Cancelled (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod":  {
                "auth_ref":  [
                    "r496"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
                            "terseLabel":  "Awarded (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r496"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Weighted-average grant-date fair value per share (in dollars per share)",
                            "verboseLabel":  "Awarded (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber":  {
                "auth_ref":  [
                    "r495"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
                            "periodEndLabel":  "Outstanding at period end (in shares)",
                            "periodStartLabel":  "Outstanding at period start (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]",
                            "terseLabel":  "Stock Units"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r495"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement.  Excludes share and unit options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value",
                            "periodEndLabel":  "Outstanding at period end (in dollars per share)",
                            "periodStartLabel":  "Outstanding at period start (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]",
                            "terseLabel":  "Weighted-Average Grant- Date Fair Value per Share"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod":  {
                "auth_ref":  [
                    "r497"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period",
                            "negatedLabel":  "Vested (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue":  {
                "auth_ref":  [
                    "r501"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value",
                            "terseLabel":  "Fair value of restricted stock vested:"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r497"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Vested (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":  {
                "auth_ref":  [
                    "r506"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate",
                            "terseLabel":  "Expected dividend yield",
                            "verboseLabel":  "Expected dividends"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeShareBasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period.  Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean.  The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period.  That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum",
                            "terseLabel":  "Expected volatility, maximum"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period.  Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean.  The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period.  That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum",
                            "terseLabel":  "Expected volatility, minimum"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum",
                            "terseLabel":  "Risk-free interest rate, maximum"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum",
                            "terseLabel":  "Risk-free interest rate, minimum"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
                            "terseLabel":  "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofSharebasedCompensationExpenseforallStockAwardsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized":  {
                "auth_ref":  [
                    "r486"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares authorized for issuance under share-based payment arrangement.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized",
                            "terseLabel":  "ESPP number of shares reserved for issuance (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant":  {
                "auth_ref":  [
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant",
                            "terseLabel":  "Shares available for issuance",
                            "verboseLabel":  "Shares available for issuance (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":  {
                "auth_ref":  [
                    "r501"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value",
                            "terseLabel":  "Total intrinsic value of options exercised"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":  {
                "auth_ref":  [
                    "r494"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period",
                            "negatedTerseLabel":  "Cancelled (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Gross number of share options (or share units) granted during the period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross",
                            "terseLabel":  "Granted (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r500"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Weighted average acquisition-date fair value per share (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":  {
                "auth_ref":  [
                    "r512"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
                            "terseLabel":  "Aggregate intrinsic value of options outstanding"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":  {
                "auth_ref":  [
                    "r492",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of options outstanding, including both vested and non-vested options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
                            "periodEndLabel":  "Outstanding at period end (in shares)",
                            "periodStartLabel":  "Outstanding at period start (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]",
                            "terseLabel":  "Options and Performance Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    "r491"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
                            "periodEndLabel":  "Outstanding at period end (in dollars per share)",
                            "periodStartLabel":  "Outstanding at period start (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]",
                            "terseLabel":  "Weighted-Average Exercise\u00a0Price"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost":  {
                "auth_ref":  [
                    "r510"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "An excess of the fair value of the modified award over the fair value of the award immediately before the modification.",
                            "label":  "Share-based Payment Arrangement, Plan Modification, Incremental Cost",
                            "terseLabel":  "Incremental share-based compensation cost"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod":  {
                "auth_ref":  [
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares issued under share-based payment arrangement.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period",
                            "terseLabel":  "Total shares issued under the ESPP (in shares)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain":  {
                "auth_ref":  [
                    "r481",
                    "r487"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Award under share-based payment arrangement.",
                            "label":  "Award Type [Domain]",
                            "terseLabel":  "Award Type [Domain]",
                            "verboseLabel":  "Award Type [Domain]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeSharebasedCompensationDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofRestrictedStockActivityandRelatedInformationDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which option holders acquired shares when converting their stock options into shares.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Exercised (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Cancelled (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Granted (in dollars per share)"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy":  {
                "auth_ref":  [
                    "r483",
                    "r488"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for award under share-based payment arrangement.  Includes, but is not limited to, methodology and assumption used in measuring cost.",
                            "label":  "Share-based Payment Arrangement [Policy Text Block]",
                            "terseLabel":  "Share-Based Compensation"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationOptionAndIncentivePlansPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock":  {
                "auth_ref":  [
                    "r489"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares.",
                            "label":  "Share-based Payment Arrangement, Performance Shares, Activity [Table Text Block]",
                            "terseLabel":  "Schedule of Restricted Stock Activity and Related Information, Performance Units"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SharePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Price of a single share of a number of saleable stocks of a company.",
                            "label":  "Share Price",
                            "terseLabel":  "Share price (in dollars per share)"
                            }
                        }
                    },
                "localname":  "SharePrice",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Intrinsic value of nonvested award under share-based payment arrangement.  Excludes share and unit options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested",
                            "terseLabel":  "Fair value of replacement awards"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Intrinsic value of outstanding award under share-based payment arrangement.  Excludes share and unit options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding",
                            "terseLabel":  "Pre-tax intrinsic value of outstanding restricted stock:"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofPretaxIntrinsicValuesandTotalFairValueofVestedRestrictedStockDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod":  {
                "auth_ref":  [
                    "r485"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period",
                            "terseLabel":  "Award expiration period"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeLiabilityClassifiedAwardDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1":  {
                "auth_ref":  [
                    "r505",
                    "r521"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term",
                            "verboseLabel":  "Expected term"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsNarrativeDetails",
                    "http://www.illumina.com/role/StockholdersEquitySummaryofAssumptionsusedtoEstimatetheWeightedAverageFairValuePerShareforStockPurchaseundertheEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":  {
                "auth_ref":  [
                    "r512"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value",
                            "terseLabel":  "Aggregate intrinsic value of options exercisable"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1":  {
                "auth_ref":  [
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
                            "terseLabel":  "Weighted average remaining life in years of options exercisable"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeStockOptionsDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Purchase price of common stock expressed as a percentage of its fair value.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent",
                            "terseLabel":  "Specified percentage of the fair market value of the common stock on the first or last day of the offering period whichever is lower at which stock is purchased"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeEmployeeStockPurchasePlanDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock":  {
                "auth_ref":  [
                    "r430",
                    "r525"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for shareholders' equity and share-based payment arrangement.  Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP).",
                            "label":  "Shareholders' Equity and Share-based Payments [Text Block]",
                            "verboseLabel":  "Stockholders' Equity"
                            }
                        }
                    },
                "localname":  "ShareholdersEquityAndShareBasedPaymentsTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquity"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SharesIssued":  {
                "auth_ref":  [
                    "r419"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.",
                            "label":  "Shares, Issued",
                            "periodEndLabel":  "Ending balance (in shares)",
                            "periodStartLabel":  "Beginning balance (in shares)"
                            }
                        }
                    },
                "localname":  "SharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShortTermDebtLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Short-term Debt [Line Items]",
                            "terseLabel":  "Short-term Debt [Line Items]"
                            }
                        }
                    },
                "localname":  "ShortTermDebtLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofDebtConversionsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShortTermInvestments":  {
                "auth_ref":  [
                    "r21",
                    "r786",
                    "r787",
                    "r810"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.",
                            "label":  "Short-term Investments",
                            "verboseLabel":  "Short-term investments"
                            }
                        }
                    },
                "localname":  "ShortTermInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StandardProductWarrantyPolicy":  {
                "auth_ref":  [
                    "r343"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for standard warranties including the methodology for measuring the liability.",
                            "label":  "Standard Product Warranty, Policy [Policy Text Block]",
                            "terseLabel":  "Warranties"
                            }
                        }
                    },
                "localname":  "StandardProductWarrantyPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_StateAndLocalJurisdictionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.",
                            "label":  "State and Local Jurisdiction [Member]",
                            "terseLabel":  "State"
                            }
                        }
                    },
                "localname":  "StateAndLocalJurisdictionMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_StatementBusinessSegmentsAxis":  {
                "auth_ref":  [
                    "r5",
                    "r202",
                    "r206",
                    "r207",
                    "r208",
                    "r209",
                    "r210",
                    "r211",
                    "r212",
                    "r213",
                    "r214",
                    "r215",
                    "r216",
                    "r217",
                    "r226",
                    "r227",
                    "r228",
                    "r229",
                    "r231",
                    "r232",
                    "r233",
                    "r234",
                    "r235",
                    "r237",
                    "r244",
                    "r308",
                    "r333",
                    "r335",
                    "r336",
                    "r825"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by business segments.",
                            "label":  "Segments [Axis]",
                            "terseLabel":  "Segments [Axis]"
                            }
                        }
                    },
                "localname":  "StatementBusinessSegmentsAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/RevenueSummaryofDisaggregatedRevenueDetails",
                    "http://www.illumina.com/role/SegmentsandGeographicDataSummaryofOperatingPerformanceandAssetsbySegmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementClassOfStockAxis":  {
                "auth_ref":  [
                    "r26",
                    "r27",
                    "r28",
                    "r135",
                    "r137",
                    "r166",
                    "r170",
                    "r173",
                    "r175",
                    "r177",
                    "r185",
                    "r186",
                    "r187",
                    "r280",
                    "r349",
                    "r354",
                    "r355",
                    "r356",
                    "r362",
                    "r363",
                    "r412",
                    "r413",
                    "r416",
                    "r417",
                    "r419",
                    "r678",
                    "r875"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by the different classes of stock of the entity.",
                            "label":  "Class of Stock [Axis]",
                            "terseLabel":  "Class of Stock [Axis]"
                            }
                        }
                    },
                "localname":  "StatementClassOfStockAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementEquityComponentsAxis":  {
                "auth_ref":  [
                    "r2",
                    "r60",
                    "r79",
                    "r80",
                    "r81",
                    "r146",
                    "r147",
                    "r148",
                    "r151",
                    "r160",
                    "r162",
                    "r184",
                    "r284",
                    "r419",
                    "r426",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r657",
                    "r688",
                    "r689",
                    "r690",
                    "r691",
                    "r692",
                    "r693",
                    "r832",
                    "r833",
                    "r834",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by component of equity.",
                            "label":  "Equity Components [Axis]",
                            "terseLabel":  "Equity Components [Axis]"
                            }
                        }
                    },
                "localname":  "StatementEquityComponentsAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Statement [Line Items]",
                            "terseLabel":  "Statement [Line Items]"
                            }
                        }
                    },
                "localname":  "StatementLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfCashFlowsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statement of Cash Flows [Abstract]",
                            "terseLabel":  "Statement of Cash Flows [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfCashFlowsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfFinancialPositionAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statement of Financial Position [Abstract]",
                            "terseLabel":  "Statement of Financial Position [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfFinancialPositionAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statement of Comprehensive Income [Abstract]",
                            "terseLabel":  "Statement of Comprehensive Income [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfIncomeAndComprehensiveIncomeAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfStockholdersEquityAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Statement of Stockholders' Equity [Abstract]",
                            "terseLabel":  "Statement of Stockholders' Equity [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfStockholdersEquityAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementTable":  {
                "auth_ref":  [
                    "r146",
                    "r147",
                    "r148",
                    "r184",
                    "r761"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
                            "label":  "Statement [Table]",
                            "terseLabel":  "Statement [Table]"
                            }
                        }
                    },
                "localname":  "StatementTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesAcquisitions":  {
                "auth_ref":  [
                    "r27",
                    "r28",
                    "r426"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of stock issued during the period pursuant to acquisitions.",
                            "label":  "Stock Issued During Period, Shares, Acquisitions",
                            "verboseLabel":  "GRAIL acquisition (in shares)"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesAcquisitions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised":  {
                "auth_ref":  [
                    "r27",
                    "r28",
                    "r419",
                    "r426",
                    "r493"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of share options (or share units) exercised during the current period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
                            "negatedLabel":  "Exercised (in shares)"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesStockOptionsExercised",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquitySummaryofStockOptionActivityUnderallStockOptionPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueAcquisitions":  {
                "auth_ref":  [
                    "r60",
                    "r419",
                    "r426"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Value of stock issued pursuant to acquisitions during the period.",
                            "label":  "Stock Issued During Period, Value, Acquisitions",
                            "terseLabel":  "GRAIL acquisition"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueAcquisitions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockRepurchaseProgramAuthorizedAmount1":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of stock repurchase plan authorized.",
                            "label":  "Stock Repurchase Program, Authorized Amount",
                            "terseLabel":  "Stock repurchase program authorized amount"
                            }
                        }
                    },
                "localname":  "StockRepurchaseProgramAuthorizedAmount1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount remaining of a stock repurchase plan authorized.",
                            "label":  "Stock Repurchase Program, Remaining Authorized Repurchase Amount",
                            "terseLabel":  "Dollar amount remaining in authorized stock repurchase program"
                            }
                        }
                    },
                "localname":  "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":  {
                "auth_ref":  [
                    "r2",
                    "r3",
                    "r80",
                    "r137",
                    "r146",
                    "r147",
                    "r148",
                    "r151",
                    "r160",
                    "r280",
                    "r284",
                    "r426",
                    "r517",
                    "r518",
                    "r519",
                    "r563",
                    "r564",
                    "r608",
                    "r609",
                    "r628",
                    "r657",
                    "r678",
                    "r688",
                    "r689",
                    "r693",
                    "r833",
                    "r834",
                    "r888"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests.  Amount excludes temporary equity.  Alternate caption for the concept is permanent equity.",
                            "label":  "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
                            "periodEndLabel":  "Ending balance",
                            "periodStartLabel":  "Beginning balance",
                            "totalLabel":  "Total stockholders\u2019 equity"
                            }
                        }
                    },
                "localname":  "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets",
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]",
                            "verboseLabel":  "Stockholders\u2019 equity:"
                            }
                        }
                    },
                "localname":  "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SubleaseIncome":  {
                "auth_ref":  [
                    "r711",
                    "r717"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LeaseCost",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of sublease income excluding finance and operating lease expense.",
                            "label":  "Sublease Income",
                            "negatedLabel":  "Sublease income"
                            }
                        }
                    },
                "localname":  "SubleaseIncome",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsSummaryofLeaseCostsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SubsequentEventMember":  {
                "auth_ref":  [
                    "r694",
                    "r727"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
                            "label":  "Subsequent Event [Member]",
                            "terseLabel":  "Subsequent Event"
                            }
                        }
                    },
                "localname":  "SubsequentEventMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_SubsequentEventTypeAxis":  {
                "auth_ref":  [
                    "r694",
                    "r727"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
                            "label":  "Subsequent Event Type [Axis]",
                            "terseLabel":  "Subsequent Event Type [Axis]"
                            }
                        }
                    },
                "localname":  "SubsequentEventTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SubsequentEventTypeDomain":  {
                "auth_ref":  [
                    "r694",
                    "r727"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
                            "label":  "Subsequent Event Type [Domain]",
                            "terseLabel":  "Subsequent Event Type [Domain]"
                            }
                        }
                    },
                "localname":  "SubsequentEventTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_SummaryOfIncomeTaxContingenciesTextBlock":  {
                "auth_ref":  [
                    "r538",
                    "r545",
                    "r547"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies.  Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.",
                            "label":  "Summary of Income Tax Contingencies [Table Text Block]",
                            "terseLabel":  "Schedule of the Gross Amount of Uncertain Tax Positions"
                            }
                        }
                    },
                "localname":  "SummaryOfIncomeTaxContingenciesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SupplementalCashFlowInformationAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Supplemental Cash Flow Information [Abstract]",
                            "terseLabel":  "Supplemental cash flow information:"
                            }
                        }
                    },
                "localname":  "SupplementalCashFlowInformationAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxCreditCarryforwardAmount":  {
                "auth_ref":  [
                    "r554"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
                            "label":  "Tax Credit Carryforward, Amount",
                            "terseLabel":  "Tax credit carryforwards"
                            }
                        }
                    },
                "localname":  "TaxCreditCarryforwardAmount",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TaxCreditCarryforwardLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Tax Credit Carryforward [Line Items]",
                            "terseLabel":  "Tax Credit Carryforward [Line Items]"
                            }
                        }
                    },
                "localname":  "TaxCreditCarryforwardLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxCreditCarryforwardTable":  {
                "auth_ref":  [
                    "r555"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A listing of tax credit carryforwards available to reduce future taxable income including descriptions, amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.",
                            "label":  "Tax Credit Carryforward [Table]",
                            "terseLabel":  "Tax Credit Carryforward [Table]"
                            }
                        }
                    },
                "localname":  "TaxCreditCarryforwardTable",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxPeriodAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information about the period subject to enacted tax laws.",
                            "label":  "Tax Period [Axis]",
                            "terseLabel":  "Tax Period [Axis]"
                            }
                        }
                    },
                "localname":  "TaxPeriodAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxPeriodDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identified tax period.",
                            "label":  "Tax Period [Domain]",
                            "terseLabel":  "Tax Period [Domain]"
                            }
                        }
                    },
                "localname":  "TaxPeriodDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TaxYear2017Member":  {
                "auth_ref":  [
                    "r539"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identified as tax year 2017.",
                            "label":  "Tax Year 2017 [Member]",
                            "terseLabel":  "Tax Year 2017"
                            }
                        }
                    },
                "localname":  "TaxYear2017Member",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TaxesPayableCurrent":  {
                "auth_ref":  [
                    "r51"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Taxes Payable, Current",
                            "terseLabel":  "Accrued taxes payable"
                            }
                        }
                    },
                "localname":  "TaxesPayableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/SupplementalBalanceSheetandStatementofIncomeDetailsSummaryofAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TradeAndOtherAccountsReceivablePolicy":  {
                "auth_ref":  [
                    "r249",
                    "r250",
                    "r251",
                    "r252",
                    "r254",
                    "r255"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for accounts receivable.",
                            "label":  "Accounts Receivable [Policy Text Block]",
                            "terseLabel":  "Accounts Receivable"
                            }
                        }
                    },
                "localname":  "TradeAndOtherAccountsReceivablePolicy",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_TradeNamesMember":  {
                "auth_ref":  [
                    "r590"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Rights acquired through registration of a business name to gain or protect exclusive use thereof.",
                            "label":  "Trade Names [Member]",
                            "terseLabel":  "Trade name"
                            }
                        }
                    },
                "localname":  "TradeNamesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofAmountAssignedtoIdentifiableIntangibleAssetsDetails",
                    "http://www.illumina.com/role/AcquisitionsGoodwillandIntangibleAssetsSummaryofIdentifiableIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain":  {
                "auth_ref":  [
                    "r266",
                    "r267",
                    "r273",
                    "r274",
                    "r275",
                    "r391",
                    "r418",
                    "r648",
                    "r728",
                    "r729",
                    "r730",
                    "r731",
                    "r732",
                    "r733",
                    "r734",
                    "r735",
                    "r736",
                    "r737",
                    "r738",
                    "r739",
                    "r740",
                    "r741",
                    "r742",
                    "r743",
                    "r744",
                    "r745",
                    "r746",
                    "r747",
                    "r748",
                    "r749",
                    "r750",
                    "r751",
                    "r752",
                    "r753",
                    "r754",
                    "r755",
                    "r756",
                    "r757",
                    "r875",
                    "r876",
                    "r877",
                    "r878",
                    "r879",
                    "r880",
                    "r881"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.",
                            "label":  "Financial Instruments [Domain]",
                            "terseLabel":  "Financial Instruments [Domain]"
                            }
                        }
                    },
                "localname":  "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TreasuryStockMember":  {
                "auth_ref":  [
                    "r59",
                    "r428"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Shares of an entity that have been repurchased by the entity.  This stock has no voting rights and receives no dividends.  Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital.  Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer.  Classified within temporary equity if redemption is outside the control of the issuer.",
                            "label":  "Treasury Stock [Member]",
                            "terseLabel":  "Treasury Stock"
                            }
                        }
                    },
                "localname":  "TreasuryStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TreasuryStockShares":  {
                "auth_ref":  [
                    "r59",
                    "r428"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date.  This stock has no voting rights and receives no dividends.",
                            "label":  "Treasury Stock, Shares",
                            "terseLabel":  "Treasury stock, shares (in shares)"
                            }
                        }
                    },
                "localname":  "TreasuryStockShares",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_TreasuryStockSharesAcquired":  {
                "auth_ref":  [
                    "r28",
                    "r419",
                    "r426"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares that have been repurchased during the period and are being held in treasury.",
                            "label":  "Treasury Stock, Shares, Acquired",
                            "terseLabel":  "Repurchase of common shares (in shares)"
                            }
                        }
                    },
                "localname":  "TreasuryStockSharesAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/StockholdersEquityNarrativeShareRepurchasesDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_TreasuryStockValue":  {
                "auth_ref":  [
                    "r59",
                    "r428",
                    "r429"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount allocated to treasury stock.  Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.",
                            "label":  "Treasury Stock, Value",
                            "negatedLabel":  "Treasury stock, 40\u00a0million shares and 49\u00a0million shares at cost at January 2, 2022 and January 3, 2021, respectively"
                            }
                        }
                    },
                "localname":  "TreasuryStockValue",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TypeOfAdoptionMember":  {
                "auth_ref":  [
                    "r0",
                    "r1",
                    "r2",
                    "r3",
                    "r4",
                    "r150",
                    "r151",
                    "r152",
                    "r153",
                    "r163",
                    "r256",
                    "r257",
                    "r281",
                    "r282",
                    "r283",
                    "r284",
                    "r285",
                    "r286",
                    "r348",
                    "r513",
                    "r514",
                    "r515",
                    "r516",
                    "r517",
                    "r518",
                    "r519",
                    "r520",
                    "r561",
                    "r562",
                    "r563",
                    "r564",
                    "r649",
                    "r650",
                    "r651",
                    "r652",
                    "r653",
                    "r654",
                    "r655",
                    "r656",
                    "r657",
                    "r658",
                    "r659",
                    "r679",
                    "r680",
                    "r681",
                    "r682",
                    "r683",
                    "r684",
                    "r685",
                    "r686",
                    "r718",
                    "r763",
                    "r764",
                    "r765",
                    "r830",
                    "r831",
                    "r832",
                    "r833",
                    "r834",
                    "r835",
                    "r836",
                    "r837",
                    "r838",
                    "r839",
                    "r840",
                    "r841",
                    "r884",
                    "r885",
                    "r886",
                    "r887",
                    "r888"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amendment to accounting standards.",
                            "label":  "Accounting Standards Update [Domain]",
                            "terseLabel":  "Type of Adoption [Domain]"
                            }
                        }
                    },
                "localname":  "TypeOfAdoptionMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesNarrativeRecentlyAdoptedAccountingPoliciesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember":  {
                "auth_ref":  [
                    "r466",
                    "r799"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debentures, bonds and other debt securities issued by US government sponsored entities (GSEs), for example, but not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB).  Excludes debt issued by the Government National Mortgage Association (GNMA or Ginnie Mae).",
                            "label":  "US Government-sponsored Enterprises Debt Securities [Member]",
                            "terseLabel":  "Debt securities in government-sponsored entities",
                            "verboseLabel":  "Debt securities in government-sponsored entities"
                            }
                        }
                    },
                "localname":  "USGovernmentSponsoredEnterprisesDebtSecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_USTreasurySecuritiesMember":  {
                "auth_ref":  [
                    "r142",
                    "r466",
                    "r474",
                    "r799"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This category includes information about debt securities issued by the United States Department of the Treasury and backed by the United States government.  Such securities primarily consist of treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years).",
                            "label":  "US Treasury Securities [Member]",
                            "verboseLabel":  "U.S.  Treasury securities"
                            }
                        }
                    },
                "localname":  "USTreasurySecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofHierarchyforAssetsandLiabilitiesMeasuredatFairValueRecurringBasisDetails",
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsSummaryofShorttermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_UndistributedEarningsOfForeignSubsidiaries":  {
                "auth_ref":  [
                    "r529",
                    "r575",
                    "r806",
                    "r842"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.",
                            "label":  "Undistributed Earnings of Foreign Subsidiaries",
                            "terseLabel":  "Undistributed earnings of foreign subsidiaries"
                            }
                        }
                    },
                "localname":  "UndistributedEarningsOfForeignSubsidiaries",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrealizedGainLossOnDerivatives":  {
                "auth_ref":  [
                    "r122"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.",
                            "label":  "Unrealized Gain (Loss) on Derivatives",
                            "terseLabel":  "Unrealized gain (loss) on derivatives"
                            }
                        }
                    },
                "localname":  "UnrealizedGainLossOnDerivatives",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrealizedGainLossOnInvestments":  {
                "auth_ref":  [
                    "r122"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrealized gain (loss) on investment.",
                            "label":  "Unrealized Gain (Loss) on Investments",
                            "terseLabel":  "Unrealized gain on equity method investments"
                            }
                        }
                    },
                "localname":  "UnrealizedGainLossOnInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefits":  {
                "auth_ref":  [
                    "r530",
                    "r540"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrecognized tax benefits.",
                            "label":  "Unrecognized Tax Benefits",
                            "periodEndLabel":  "Balance at end of year",
                            "periodStartLabel":  "Balance at beginning of year"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefits",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions":  {
                "auth_ref":  [
                    "r541"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
                            "label":  "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions",
                            "negatedTerseLabel":  "Decreases related to prior year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued":  {
                "auth_ref":  [
                    "r537"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.",
                            "label":  "Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued",
                            "terseLabel":  "Liability recorded for potential interest and penalties"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense":  {
                "auth_ref":  [
                    "r537"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.",
                            "label":  "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense",
                            "terseLabel":  "Potential interest penalties on uncertain tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions":  {
                "auth_ref":  [
                    "r542"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.",
                            "label":  "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions",
                            "terseLabel":  "Increases related to current year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions":  {
                "auth_ref":  [
                    "r541"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
                            "label":  "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions",
                            "terseLabel":  "Increases related to prior year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations":  {
                "auth_ref":  [
                    "r543"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.",
                            "label":  "Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations",
                            "negatedTerseLabel":  "Decreases related to lapse of statute of limitations"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesSummaryoftheGrossAmountofUncertainTaxPositionsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":  {
                "auth_ref":  [
                    "r544"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.",
                            "label":  "Unrecognized Tax Benefits that Would Impact Effective Tax Rate",
                            "terseLabel":  "Uncertain tax positions that would reduce annual effective tax rate, if recognized"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnsecuredDebtMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt obligation not collateralized by pledge of, mortgage of or other lien on the entity's assets.",
                            "label":  "Unsecured Debt [Member]",
                            "terseLabel":  "Unsecured Debt"
                            }
                        }
                    },
                "localname":  "UnsecuredDebtMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/DebtandOtherCommitmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_UseOfEstimates":  {
                "auth_ref":  [
                    "r188",
                    "r189",
                    "r191",
                    "r192",
                    "r198",
                    "r199",
                    "r200"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
                            "label":  "Use of Estimates, Policy [Policy Text Block]",
                            "terseLabel":  "Use of Estimates"
                            }
                        }
                    },
                "localname":  "UseOfEstimates",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ValuationAllowanceByDeferredTaxAssetAxis":  {
                "auth_ref":  [
                    "r550"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of deferred tax consequences attributable to deductible temporary differences.",
                            "label":  "Valuation Allowance by Deferred Tax Asset [Axis]",
                            "terseLabel":  "Valuation Allowance by Deferred Tax Asset [Axis]"
                            }
                        }
                    },
                "localname":  "ValuationAllowanceByDeferredTaxAssetAxis",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/IncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Variable Interest Entities (VIE) in which the entity does not have a controlling financial interest (as defined) and of which it is therefore not the primary beneficiary.  VIEs of which the entity is not the primary beneficiary because it does not have the power to direct the activities of the VIE that most significantly impact the VIE's economic performance and for which it does not have the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE are not included in the consolidated financial statements of the entity.",
                            "label":  "Variable Interest Entity, Not Primary Beneficiary [Member]",
                            "terseLabel":  "Variable Interest Entity, Not Primary Beneficiary"
                            }
                        }
                    },
                "localname":  "VariableInterestEntityNotPrimaryBeneficiaryMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember":  {
                "auth_ref":  [
                    "r613",
                    "r614",
                    "r623",
                    "r624",
                    "r625"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary.  A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE.  VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity.",
                            "label":  "Variable Interest Entity, Primary Beneficiary [Member]",
                            "terseLabel":  "Variable Interest Entity, Primary Beneficiary"
                            }
                        }
                    },
                "localname":  "VariableInterestEntityPrimaryBeneficiaryMember",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/InvestmentsandFairValueMeasurementsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]",
                            "terseLabel":  "Effect of potentially dilutive common shares from:"
                            }
                        }
                    },
                "localname":  "WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding":  {
                "auth_ref":  [
                    "r165",
                    "r177"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
                            "label":  "Weighted Average Number of Shares Outstanding, Diluted",
                            "terseLabel":  "Diluted (in shares)",
                            "totalLabel":  "Weighted average shares used in calculating diluted earnings per share (in shares)"
                            }
                        }
                    },
                "localname":  "WeightedAverageNumberOfDilutedSharesOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
                            "terseLabel":  "Weighted average shares used to calculate basic and diluted net income per share [Line Items]"
                            }
                        }
                    },
                "localname":  "WeightedAverageNumberOfSharesOutstandingAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic":  {
                "auth_ref":  [
                    "r164",
                    "r177"
                    ],
                "calculation":  {
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
                            "label":  "Weighted Average Number of Shares Outstanding, Basic",
                            "terseLabel":  "Basic (in shares)",
                            "verboseLabel":  "Weighted average shares outstanding (in shares)"
                            }
                        }
                    },
                "localname":  "WeightedAverageNumberOfSharesOutstandingBasic",
                "nsuri":  "http://fasb.org/us-gaap/2021-01-31",
                "presentation":  [
                    "http://www.illumina.com/role/ConsolidatedStatementsofIncome",
                    "http://www.illumina.com/role/OrganizationandSignificantAccountingPoliciesSummaryofCalculationofWeightedAverageSharesusedtoCalculateBasicandDilutedEarningsPerShareDetails"
                    ],
                "xbrltype":  "sharesItemType"
                }
            },
        "unitCount":  10
        }
    },
"std_ref":  {
    "r0":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "105",
        "URI":  "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
        },
    "r1":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "105",
        "URI":  "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
        },
    "r10":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
        },
    "r100":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.8)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r101":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.9)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r102":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3151-108585"
        },
    "r103":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
        },
    "r104":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
        },
    "r105":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
        },
    "r106":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
        },
    "r107":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
        },
    "r108":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
        },
    "r109":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
        },
    "r11":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
        },
    "r110":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
        },
    "r111":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
        },
    "r112":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
        },
    "r113":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
        },
    "r114":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
        },
    "r115":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(ee)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585"
        },
    "r116":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3444-108585"
        },
    "r117":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3000-108585"
        },
    "r118":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21D",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=SL94080555-108585"
        },
    "r119":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "24",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585"
        },
    "r12":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6801-107765"
        },
    "r120":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
        },
    "r121":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
        },
    "r122":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
        },
    "r123":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
        },
    "r124":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585"
        },
    "r125":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4273-108586"
        },
    "r126":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586"
        },
    "r127":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586"
        },
    "r128":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586"
        },
    "r129":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586"
        },
    "r13":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6911-107765"
        },
    "r130":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586"
        },
    "r131":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790"
        },
    "r132":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790"
        },
    "r133":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790"
        },
    "r134":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(c))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r135":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(d))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r136":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(f))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r137":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(g)(1)(ii))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r138":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(h)(1)(Note 1))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r139":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(h)(1))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r14":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6935-107765"
        },
    "r140":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(h)(2))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r141":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(h))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r142":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(m)(1)(ii)(A))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r143":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(n))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r144":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-04(a))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
        },
    "r145":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/topic&trid=2122369"
        },
    "r146":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "23",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793"
        },
    "r147":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "24",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793"
        },
    "r148":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793"
        },
    "r149":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21728-107793"
        },
    "r15":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e7018-107765"
        },
    "r150":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
        },
    "r151":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(3)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
        },
    "r152":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(4)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
        },
    "r153":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
        },
    "r154":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
        },
    "r155":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
        },
    "r156":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
        },
    "r157":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794"
        },
    "r158":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794"
        },
    "r159":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
        },
    "r16":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
        },
    "r160":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
        },
    "r161":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794"
        },
    "r162":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794"
        },
    "r163":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.M.Q2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=122038215&loc=d3e31137-122693"
        },
    "r164":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256"
        },
    "r165":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256"
        },
    "r166":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1252-109256"
        },
    "r167":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1707-109256"
        },
    "r168":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "23",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1757-109256"
        },
    "r169":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1500-109256"
        },
    "r17":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r170":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256"
        },
    "r171":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "40",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
        },
    "r172":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "42",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2029-109256"
        },
    "r173":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "55",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2626-109256"
        },
    "r174":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "60B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
        },
    "r175":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "60B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
        },
    "r176":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256"
        },
    "r177":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
        },
    "r178":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
        },
    "r179":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
        },
    "r18":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(13))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r180":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257"
        },
    "r181":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125512782&loc=d3e3842-109258"
        },
    "r182":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "52",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258"
        },
    "r183":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "270",
        "URI":  "http://asc.fasb.org/extlink&oid=124437754&loc=d3e543-108305"
        },
    "r184":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "272",
        "URI":  "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054"
        },
    "r185":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "272",
        "URI":  "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054"
        },
    "r186":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "272",
        "URI":  "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055"
        },
    "r187":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "272",
        "URI":  "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055"
        },
    "r188":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r189":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r19":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(14))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r190":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r191":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
        },
    "r192":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
        },
    "r193":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592"
        },
    "r194":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
        },
    "r195":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
        },
    "r196":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
        },
    "r197":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592"
        },
    "r198":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
        },
    "r199":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
        },
    "r2":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "105",
        "URI":  "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
        },
    "r20":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(19))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r200":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
        },
    "r201":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/topic&trid=2134479"
        },
    "r202":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599"
        },
    "r203":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599"
        },
    "r204":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599"
        },
    "r205":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599"
        },
    "r206":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r207":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r208":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r209":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r21":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(2))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r210":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r211":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r212":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(g)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r213":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r214":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(j)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r215":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
        },
    "r216":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599"
        },
    "r217":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599"
        },
    "r218":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599"
        },
    "r219":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "26",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599"
        },
    "r22":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(20))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r220":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r221":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r222":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r223":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r224":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r225":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599"
        },
    "r226":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
        },
    "r227":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
        },
    "r228":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
        },
    "r229":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
        },
    "r23":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(22))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r230":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
        },
    "r231":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "31",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599"
        },
    "r232":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r233":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r234":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r235":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r236":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r237":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
        },
    "r238":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "34",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599"
        },
    "r239":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "40",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599"
        },
    "r24":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(26)(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r240":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
        },
    "r241":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
        },
    "r242":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "b",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
        },
    "r243":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
        },
    "r244":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "42",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599"
        },
    "r245":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/topic&trid=2134510"
        },
    "r246":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4647-111522"
        },
    "r247":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522"
        },
    "r248":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522"
        },
    "r249":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=d3e4975-111524"
        },
    "r25":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(26)(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r250":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524"
        },
    "r251":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524"
        },
    "r252":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=d3e5033-111524"
        },
    "r253":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524"
        },
    "r254":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=123577603&loc=d3e5093-111524"
        },
    "r255":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534"
        },
    "r256":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=124402435&loc=SL124402458-218513"
        },
    "r257":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=124402435&loc=SL124402458-218513"
        },
    "r258":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562"
        },
    "r259":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562"
        },
    "r26":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(27))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r260":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27405-111563"
        },
    "r261":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
        },
    "r262":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(aa)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
        },
    "r263":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
        },
    "r264":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
        },
    "r265":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563"
        },
    "r266":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563"
        },
    "r267":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563"
        },
    "r268":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563"
        },
    "r269":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563"
        },
    "r27":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(28))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r270":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27340-111563"
        },
    "r271":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)-(d)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563"
        },
    "r272":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "321",
        "URI":  "http://asc.fasb.org/extlink&oid=123583714&loc=SL75117360-209713"
        },
    "r273":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "321",
        "URI":  "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714"
        },
    "r274":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "321",
        "URI":  "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714"
        },
    "r275":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "321",
        "URI":  "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714"
        },
    "r276":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=125513658&loc=d3e32006-111567"
        },
    "r277":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570"
        },
    "r278":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
        },
    "r279":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
        },
    "r28":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(29))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r280":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
        },
    "r281":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r282":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r283":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r284":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r285":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(3)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r286":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(4)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
        },
    "r287":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446"
        },
    "r288":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447"
        },
    "r289":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447"
        },
    "r29":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r290":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447"
        },
    "r291":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447"
        },
    "r292":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447"
        },
    "r293":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454"
        },
    "r294":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455"
        },
    "r295":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922895-210455"
        },
    "r296":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455"
        },
    "r297":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "30",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456"
        },
    "r298":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314"
        },
    "r299":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314"
        },
    "r3":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "105",
        "URI":  "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
        },
    "r30":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r300":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 5.BB)",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
        },
    "r301":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/topic&trid=2126998"
        },
    "r302":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
        },
    "r303":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266"
        },
    "r304":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975"
        },
    "r305":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r306":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(e)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r307":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r308":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r309":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=SL108378252-109267"
        },
    "r31":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r310":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267"
        },
    "r311":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267"
        },
    "r312":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
        },
    "r313":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
        },
    "r314":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r315":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(1)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r316":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(3)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r317":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r318":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r319":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r32":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(4))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r320":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "((a)(1),(b))",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r321":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r322":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(1)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r323":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(2)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r324":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(3)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r325":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r326":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r327":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b),(d)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275"
        },
    "r328":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r329":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r33":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(32))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r330":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r331":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r332":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
        },
    "r333":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
        },
    "r334":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "420",
        "URI":  "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
        },
    "r335":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "420",
        "URI":  "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
        },
    "r336":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 5.P.4(d))",
        "Topic":  "420",
        "URI":  "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
        },
    "r337":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
        },
    "r338":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349"
        },
    "r339":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349"
        },
    "r34":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(4)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r340":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/topic&trid=2127136"
        },
    "r341":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "((c)(2))",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r342":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "((c)(3))",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r343":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r344":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r345":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(5)",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r346":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "460",
        "URI":  "http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249"
        },
    "r347":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123465755&loc=SL6230698-112601"
        },
    "r348":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S65",
        "SubTopic":  "10",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359872&loc=SL124427846-239511"
        },
    "r349":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(i))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r35":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r350":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(ii))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r351":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(iii)(A))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r352":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(iii)(B))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r353":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(iii))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r354":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(4)(iv))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r355":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-01(a)(5))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
        },
    "r356":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(i))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r357":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iii)(A)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r358":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iii)(A))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r359":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iii)(B)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r36":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r360":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iii)(B))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r361":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iii)(C))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r362":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(4)(iv))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r363":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.13-02(a)(5))",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
        },
    "r364":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466302&loc=d3e4852-112606"
        },
    "r365":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r366":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r367":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r368":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r369":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(e)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r37":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(4))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r370":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(f)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r371":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r372":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(h)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r373":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(i)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r374":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
        },
    "r375":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1C",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
        },
    "r376":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1C",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
        },
    "r377":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1C",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
        },
    "r378":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1D",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
        },
    "r379":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1D",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
        },
    "r38":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r380":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1D",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
        },
    "r381":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1E",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
        },
    "r382":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1E",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
        },
    "r383":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1E",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
        },
    "r384":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1E",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
        },
    "r385":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1F",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
        },
    "r386":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1F",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
        },
    "r387":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1F",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(1)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
        },
    "r388":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1F",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
        },
    "r389":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1I",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
        },
    "r39":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r390":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1I",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
        },
    "r391":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1I",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
        },
    "r392":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1I",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
        },
    "r393":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870"
        },
    "r394":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870"
        },
    "r395":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870"
        },
    "r396":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870"
        },
    "r397":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
        },
    "r398":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
        },
    "r399":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "69B",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612"
        },
    "r4":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "105",
        "URI":  "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
        },
    "r40":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(c))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r400":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "69C",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612"
        },
    "r401":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "69E",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612"
        },
    "r402":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "69F",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612"
        },
    "r403":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "40",
        "SubTopic":  "50",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629"
        },
    "r404":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "40",
        "SubTopic":  "50",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629"
        },
    "r405":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/topic&trid=2208564"
        },
    "r406":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(CFRR 211.02)",
        "Topic":  "480",
        "URI":  "http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764"
        },
    "r407":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 3.C)",
        "Topic":  "480",
        "URI":  "http://asc.fasb.org/extlink&oid=122040564&loc=d3e177168-122764"
        },
    "r408":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(3)",
        "Topic":  "480",
        "URI":  "http://asc.fasb.org/extlink&oid=122040564&loc=SL6540498-122764"
        },
    "r409":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3A",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Topic":  "480",
        "URI":  "http://asc.fasb.org/extlink&oid=122040564&loc=SL6540498-122764"
        },
    "r41":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(7))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r410":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643"
        },
    "r411":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21553-112644"
        },
    "r412":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
        },
    "r413":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
        },
    "r414":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
        },
    "r415":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
        },
    "r416":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
        },
    "r417":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
        },
    "r418":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
        },
    "r419":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644"
        },
    "r42":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(8))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r420":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644"
        },
    "r421":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644"
        },
    "r422":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21488-112644"
        },
    "r423":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644"
        },
    "r424":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644"
        },
    "r425":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644"
        },
    "r426":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.3-04)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
        },
    "r427":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
        },
    "r428":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
        },
    "r429":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656"
        },
    "r43":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.12)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r430":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/topic&trid=2208762"
        },
    "r431":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044"
        },
    "r432":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044"
        },
    "r433":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044"
        },
    "r434":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045"
        },
    "r435":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
        },
    "r436":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
        },
    "r437":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
        },
    "r438":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
        },
    "r439":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
        },
    "r44":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.13(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r440":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045"
        },
    "r441":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(1)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045"
        },
    "r442":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(2)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045"
        },
    "r443":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045"
        },
    "r444":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130561-203045"
        },
    "r445":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130563-203045"
        },
    "r446":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130563-203045"
        },
    "r447":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130564-203045"
        },
    "r448":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
        },
    "r449":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
        },
    "r45":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.13)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r450":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
        },
    "r451":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
        },
    "r452":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045"
        },
    "r453":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045"
        },
    "r454":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045"
        },
    "r455":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045"
        },
    "r456":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045"
        },
    "r457":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
        },
    "r458":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
        },
    "r459":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/topic&trid=49130388"
        },
    "r46":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.14)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r460":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "710",
        "URI":  "http://asc.fasb.org/extlink&oid=6409733&loc=d3e19524-108361"
        },
    "r461":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "710",
        "URI":  "http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361"
        },
    "r462":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "30",
        "SubTopic":  "10",
        "Topic":  "710",
        "URI":  "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363"
        },
    "r463":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "710",
        "URI":  "http://asc.fasb.org/topic&trid=2127225"
        },
    "r464":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "712",
        "URI":  "http://asc.fasb.org/topic&trid=2197446"
        },
    "r465":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(i)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r466":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(ii)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r467":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(01)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r468":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r469":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(A)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r47":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.17)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r470":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(B)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r471":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(C)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r472":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(03)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r473":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(n)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
        },
    "r474":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921"
        },
    "r475":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(a)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947"
        },
    "r476":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(d)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
        },
    "r477":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(a)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947"
        },
    "r478":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "80",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
        },
    "r479":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/topic&trid=2235017"
        },
    "r48":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r480":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "35",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=123468992&loc=d3e4534-113899"
        },
    "r481":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r482":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r483":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r484":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r485":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r486":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(3)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r487":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a),(g)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r488":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b),(f)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r489":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r49":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19(b),22(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r490":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r491":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r492":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(i)-(ii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r493":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(iv)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r494":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(iv)(3)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r495":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(i)-(ii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r496":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(iii)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r497":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(iii)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r498":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(iii)(3)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r499":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r5":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760"
        },
    "r50":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r500":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r501":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r502":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r503":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r504":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r505":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r506":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(iii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r507":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(g)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r508":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r509":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(1)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r51":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19,20)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r510":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(2)(iii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r511":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r512":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r513":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r514":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r515":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r516":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r517":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r518":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r519":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r52":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.20)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r520":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r521":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 14.D.2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809"
        },
    "r522":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 14.F)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809"
        },
    "r523":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=122142933&loc=d3e11149-113907"
        },
    "r524":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=122142933&loc=d3e11178-113907"
        },
    "r525":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/topic&trid=2228938"
        },
    "r526":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "35",
        "Subparagraph":  "(a)",
        "Topic":  "720",
        "URI":  "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848"
        },
    "r527":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "35",
        "Subparagraph":  "(b)",
        "Topic":  "720",
        "URI":  "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848"
        },
    "r528":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "730",
        "URI":  "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373"
        },
    "r529":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123452999&loc=d3e28200-109314"
        },
    "r53":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.21)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r530":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318"
        },
    "r531":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32247-109318"
        },
    "r532":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32280-109318"
        },
    "r533":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318"
        },
    "r534":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319"
        },
    "r535":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319"
        },
    "r536":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319"
        },
    "r537":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319"
        },
    "r538":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319"
        },
    "r539":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319"
        },
    "r54":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.22(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r540":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r541":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r542":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r543":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(4)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r544":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r545":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
        },
    "r546":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319"
        },
    "r547":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319"
        },
    "r548":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
        },
    "r549":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
        },
    "r55":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.22)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r550":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
        },
    "r551":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
        },
    "r552":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32847-109319"
        },
    "r553":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319"
        },
    "r554":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319"
        },
    "r555":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319"
        },
    "r556":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319"
        },
    "r557":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319"
        },
    "r558":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
        },
    "r559":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
        },
    "r56":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.24)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r560":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
        },
    "r561":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
        },
    "r562":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
        },
    "r563":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(2)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
        },
    "r564":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(3)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
        },
    "r565":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB TOPIC 6.I.5.Q1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r566":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB TOPIC 6.I.7)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r567":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.7)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r568":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r569":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.2)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r57":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.25)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r570":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.3)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
        },
    "r571":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.C)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817"
        },
    "r572":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324"
        },
    "r573":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "270",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338"
        },
    "r574":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
        },
    "r575":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
        },
    "r576":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/topic&trid=2144680"
        },
    "r577":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "05",
        "SubTopic":  "10",
        "Subparagraph":  "(a)-(d)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=6909625&loc=d3e227-128457"
        },
    "r578":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123586518&loc=d3e961-128460"
        },
    "r579":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "23",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460"
        },
    "r58":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.28,29)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r580":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r581":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(2)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r582":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(2)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r583":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(3)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r584":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r585":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
        },
    "r586":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "37",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464"
        },
    "r587":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472"
        },
    "r588":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472"
        },
    "r589":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123413009&loc=SL65897772-128472"
        },
    "r59":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.29,30)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r590":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123410050&loc=d3e5263-128473"
        },
    "r591":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123410050&loc=d3e5333-128473"
        },
    "r592":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "31",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123410050&loc=d3e5419-128473"
        },
    "r593":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "38",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=123410050&loc=d3e5504-128473"
        },
    "r594":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476"
        },
    "r595":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476"
        },
    "r596":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "30",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477"
        },
    "r597":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "30",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477"
        },
    "r598":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "35",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478"
        },
    "r599":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "35",
        "SubTopic":  "30",
        "Subparagraph":  "b",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478"
        },
    "r6":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
        },
    "r60":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.29-31)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r600":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r601":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r602":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)(3)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r603":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)(4)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r604":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(c)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r605":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(c)(3)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r606":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479"
        },
    "r607":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=d3e5291-111683"
        },
    "r608":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=SL4568447-111683"
        },
    "r609":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=SL4568740-111683"
        },
    "r61":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.3,4)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r610":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=SL4569616-111683"
        },
    "r611":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=SL4569643-111683"
        },
    "r612":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123454820&loc=SL4613674-111683"
        },
    "r613":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
        },
    "r614":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
        },
    "r615":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684"
        },
    "r616":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r617":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r618":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r619":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r62":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.6(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r620":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c),(3)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r621":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684"
        },
    "r622":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2AA",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "a",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=SL6759068-111685"
        },
    "r623":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bb)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
        },
    "r624":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
        },
    "r625":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
        },
    "r626":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5728-111685"
        },
    "r627":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685"
        },
    "r628":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4I",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=120409616&loc=SL4590271-111686"
        },
    "r629":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4J",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=120409616&loc=SL4591551-111686"
        },
    "r63":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.6(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r630":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4K",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=120409616&loc=SL4591552-111686"
        },
    "r631":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/topic&trid=2197479"
        },
    "r632":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579240-113959"
        },
    "r633":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959"
        },
    "r634":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959"
        },
    "r635":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959"
        },
    "r636":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41620-113959"
        },
    "r637":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41638-113959"
        },
    "r638":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
        },
    "r639":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(1)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
        },
    "r64":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.9)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r640":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
        },
    "r641":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4C",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959"
        },
    "r642":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4D",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959"
        },
    "r643":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4E",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959"
        },
    "r644":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41675-113959"
        },
    "r645":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "182",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123421605&loc=SL5629052-113961"
        },
    "r646":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "25",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986"
        },
    "r647":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123477628&loc=d3e90193-114008"
        },
    "r648":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Subparagraph":  "(f)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008"
        },
    "r649":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(a)(1)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r65":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
        },
    "r650":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(a)(2)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r651":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(a)(3)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r652":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(b)(1)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r653":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(b)(2)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r654":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(c)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r655":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(d)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r656":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(e)(2)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r657":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(e)(3)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r658":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(e)(4)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r659":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(f)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
        },
    "r66":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313"
        },
    "r660":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r661":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r662":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bb)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r663":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bbb)(1)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r664":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bbb)(2)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r665":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r666":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r667":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r668":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
        },
    "r669":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258"
        },
    "r67":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313"
        },
    "r670":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=123874694&loc=SL6742756-110258"
        },
    "r671":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "60",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260"
        },
    "r672":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740"
        },
    "r673":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13279-108611"
        },
    "r674":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611"
        },
    "r675":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611"
        },
    "r676":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
        },
    "r677":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
        },
    "r678":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612"
        },
    "r679":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL120254526-165497"
        },
    "r68":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580"
        },
    "r680":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL120254526-165497"
        },
    "r681":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497"
        },
    "r682":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497"
        },
    "r683":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497"
        },
    "r684":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497"
        },
    "r685":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL122642865-165497"
        },
    "r686":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=123597120&loc=SL122642865-165497"
        },
    "r687":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "230",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906"
        },
    "r688":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
        },
    "r689":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r69":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580"
        },
    "r690":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r691":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(c)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r692":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r693":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
        },
    "r694":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901"
        },
    "r695":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/topic&trid=2175825"
        },
    "r696":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
        },
    "r697":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399"
        },
    "r698":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399"
        },
    "r699":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399"
        },
    "r7":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/extlink&oid=77885760&loc=SL35686385-199418"
        },
    "r70":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580"
        },
    "r700":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629"
        },
    "r701":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
        },
    "r702":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123341672&loc=SL77916155-209984"
        },
    "r703":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977"
        },
    "r704":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977"
        },
    "r705":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977"
        },
    "r706":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977"
        },
    "r707":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918666-209980"
        },
    "r708":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)(1)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980"
        },
    "r709":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)(3)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980"
        },
    "r71":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580"
        },
    "r710":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r711":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(e)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r712":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(1)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r713":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(3)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r714":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(4)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r715":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
        },
    "r716":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980"
        },
    "r717":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "53",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971"
        },
    "r718":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "848",
        "URI":  "http://asc.fasb.org/extlink&oid=122150657&loc=SL122150809-237846"
        },
    "r719":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
        },
    "r72":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580"
        },
    "r720":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
        },
    "r721":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
        },
    "r722":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
        },
    "r723":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "852",
        "URI":  "http://asc.fasb.org/extlink&oid=124437977&loc=d3e55792-112764"
        },
    "r724":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "852",
        "URI":  "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
        },
    "r725":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "852",
        "URI":  "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
        },
    "r726":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "852",
        "URI":  "http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766"
        },
    "r727":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "855",
        "URI":  "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
        },
    "r728":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)(i)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r729":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)(ii)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r73":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
        },
    "r730":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r731":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r732":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r733":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r734":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r735":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r736":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r737":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r738":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r739":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r74":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
        },
    "r740":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r741":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728"
        },
    "r742":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729"
        },
    "r743":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746"
        },
    "r744":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746"
        },
    "r745":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746"
        },
    "r746":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(4)(i)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746"
        },
    "r747":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r748":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r749":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r75":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580"
        },
    "r750":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(4)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r751":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(5)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r752":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(6)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r753":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(a)(7)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r754":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(b)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r755":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(e)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r756":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(e)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r757":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "50",
        "Subparagraph":  "(e)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746"
        },
    "r758":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "910",
        "URI":  "http://asc.fasb.org/extlink&oid=123353855&loc=SL119991595-234733"
        },
    "r759":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "330",
        "Topic":  "912",
        "URI":  "http://asc.fasb.org/extlink&oid=6471895&loc=d3e55923-109411"
        },
    "r76":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580"
        },
    "r760":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "730",
        "Topic":  "912",
        "URI":  "http://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433"
        },
    "r761":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.L)",
        "Topic":  "924",
        "URI":  "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
        },
    "r762":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959"
        },
    "r763":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r764":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r765":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r766":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "340",
        "Topic":  "928",
        "URI":  "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
        },
    "r767":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447"
        },
    "r768":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447"
        },
    "r769":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447"
        },
    "r77":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124509347&loc=d3e557-108580"
        },
    "r770":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447"
        },
    "r771":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447"
        },
    "r772":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447"
        },
    "r773":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "33",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447"
        },
    "r774":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "33",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447"
        },
    "r775":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "35A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447"
        },
    "r776":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "35A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447"
        },
    "r777":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(c)(1)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447"
        },
    "r778":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(c)(2)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447"
        },
    "r779":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "20",
        "Topic":  "940",
        "URI":  "http://asc.fasb.org/extlink&oid=123384075&loc=d3e41242-110953"
        },
    "r78":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124431353&loc=SL116659661-227067"
        },
    "r780":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(10)(1))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r781":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(11))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r782":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(13))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r783":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(15)(2))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r784":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(16))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r785":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(23))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r786":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(4))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r787":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(5))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r788":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(6))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r789":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03.15(5))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r79":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067"
        },
    "r790":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03.17)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r791":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(15))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r792":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(22))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r793":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(24))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r794":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(25))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r795":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(26))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r796":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(27))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r797":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04.9)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r798":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "235",
        "Subparagraph":  "(SX 210.9-05(b)(2))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884"
        },
    "r799":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Subparagraph":  "(b)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62557-112803"
        },
    "r8":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/topic&trid=2122149"
        },
    "r80":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067"
        },
    "r800":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62557-112803"
        },
    "r801":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62586-112803"
        },
    "r802":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62652-112803"
        },
    "r803":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630"
        },
    "r804":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "470",
        "Subparagraph":  "e",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
        },
    "r805":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "470",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
        },
    "r806":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "740",
        "Subparagraph":  "(b)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838"
        },
    "r807":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "825",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=123345438&loc=d3e61044-112788"
        },
    "r808":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(15)(b)(2))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r809":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(16))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r81":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067"
        },
    "r810":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(1)(g))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r811":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(12))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r812":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(16))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r813":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(23)(a)(3))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r814":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(23)(a)(4))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r815":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(25))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r816":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(8))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r817":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03.(a),19)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r818":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(18))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r819":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(20))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r82":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(210.5-03(11))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r820":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(21))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r821":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(22))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r822":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(23))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r823":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(8))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r824":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(9))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r825":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4H",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
        },
    "r826":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Subparagraph":  "(d)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439"
        },
    "r827":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13H",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Subparagraph":  "(a)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441"
        },
    "r828":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13H",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441"
        },
    "r829":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29F",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441"
        },
    "r83":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(1))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r830":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(a)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r831":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r832":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(e)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r833":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(f)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r834":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(f)(2)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r835":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r836":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(i)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r837":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(ii)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r838":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(iii)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r839":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(iv)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r84":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(10))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r840":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(h)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r841":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(h)(2)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
        },
    "r842":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "740",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556"
        },
    "r843":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(e)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473"
        },
    "r844":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "825",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=123600520&loc=SL75241803-196195"
        },
    "r845":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "205",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=118262037&loc=d3e9915-115836"
        },
    "r846":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.6-05(4))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401414&loc=d3e604008-122996"
        },
    "r847":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.6-07.1(c))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272"
        },
    "r848":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.6-09(6))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401555&loc=SL114874367-224272"
        },
    "r849":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.6-09(7))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401555&loc=SL114874367-224272"
        },
    "r85":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(20))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r850":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "310",
        "Subparagraph":  "(SX 210.12-29(Footnote 4))",
        "Topic":  "948",
        "URI":  "http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014"
        },
    "r851":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "310",
        "Topic":  "954",
        "URI":  "http://asc.fasb.org/extlink&oid=123364037&loc=d3e3115-115594"
        },
    "r852":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Subparagraph":  "(d)",
        "Topic":  "958",
        "URI":  "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916"
        },
    "r853":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Topic":  "958",
        "URI":  "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916"
        },
    "r854":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column B))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r855":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column C))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r856":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column D))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r857":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column E))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r858":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column F))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r859":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column G))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r86":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(22))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r860":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column H))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r861":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column I))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r862":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Footnote 2))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r863":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Footnote 4))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r864":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "310",
        "Subparagraph":  "(c)",
        "Topic":  "976",
        "URI":  "http://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663"
        },
    "r865":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "310",
        "Subparagraph":  "(b)",
        "Topic":  "978",
        "URI":  "http://asc.fasb.org/extlink&oid=123360121&loc=d3e27327-108691"
        },
    "r866":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "985",
        "URI":  "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756"
        },
    "r867":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b"
        },
    "r868":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b-2"
        },
    "r869":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b-23"
        },
    "r87":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(23))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r870":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "d1-1"
        },
    "r871":  {
        "Name":  "Form 10-K",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "310"
        },
    "r872":  {
        "Name":  "Form 20-F",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "220",
        "Subsection":  "f"
        },
    "r873":  {
        "Name":  "Form 40-F",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "240",
        "Subsection":  "f"
        },
    "r874":  {
        "Name":  "Forms 10-K, 10-Q, 20-F",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "13",
        "Subsection":  "a-1"
        },
    "r875":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(a)",
        "Publisher":  "SEC",
        "Section":  "1402"
        },
    "r876":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(b)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(1)"
        },
    "r877":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(b)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(2)"
        },
    "r878":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(b)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(3)"
        },
    "r879":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(c)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(2)(i)"
        },
    "r88":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(24))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r880":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(c)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(2)(ii)"
        },
    "r881":  {
        "Name":  "Regulation S-K (SK)",
        "Number":  "229",
        "Paragraph":  "(c)",
        "Publisher":  "SEC",
        "Section":  "1402",
        "Subparagraph":  "(2)(iii)"
        },
    "r882":  {
        "Name":  "Regulation S-T",
        "Number":  "232",
        "Publisher":  "SEC",
        "Section":  "405"
        },
    "r883":  {
        "Name":  "Securities Act",
        "Number":  "230",
        "Publisher":  "SEC",
        "Section":  "405"
        },
    "r884":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "848"
        },
    "r885":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "848"
        },
    "r886":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "848"
        },
    "r887":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(3)(iii)(01)",
        "Topic":  "848"
        },
    "r888":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(3)(iii)(03)",
        "Topic":  "848"
        },
    "r89":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(25))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r9":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
        },
    "r90":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(7)(c))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r91":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(b)(2))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r92":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.1(e))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r93":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.1,2)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r94":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.2(a),(d))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r95":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.2)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r96":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.4)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r97":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.7(b))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r98":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.7(c),9(a))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        },
    "r99":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.7)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
        }
    },
"version":  "2.1"
}

13 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/10/23  Illumina, Inc.                    10-Q        7/02/23   73:8.1M
 5/05/23  Illumina, Inc.                    10-Q        4/02/23   67:7.1M
 2/17/23  Illumina, Inc.                    10-K        1/01/23  108:17M
 2/07/23  Illumina, Inc.                    8-K:2,9     2/07/23   11:1.2M
 1/11/23  Illumina, Inc.                    8-K:2,9     1/09/23   13:332K
12/01/22  Illumina, Inc.                    424B2                  2:533K                                   Donnelley … Solutions/FA
11/29/22  Illumina, Inc.                    424B2                  1:500K                                   Donnelley … Solutions/FA
11/04/22  Illumina, Inc.                    10-Q       10/02/22   70:8.9M
11/03/22  Illumina, Inc.                    8-K:2,9    11/03/22   11:1.1M
 8/11/22  Illumina, Inc.                    10-Q        7/03/22   72:9M
 8/11/22  Illumina, Inc.                    8-K:2,9     8/11/22   11:1M
 5/05/22  Illumina, Inc.                    10-Q        4/03/22   68:7.4M
 5/05/22  Illumina, Inc.                    8-K:2,9     5/05/22   11:621K

33 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/05/21  Illumina, Inc.                    10-Q       10/03/21   77:9.8M
 8/18/21  Illumina, Inc.                    8-K:1,2,8,9 8/18/21   12:686K                                   Cravath Swaine & … 01/FA
 3/22/21  Illumina, Inc.                    8-K:8,9     3/16/21   13:540K                                   Donnelley … Solutions/FA
 3/12/21  Illumina, Inc.                    S-3ASR      3/12/21    5:694K                                   Donnelley … Solutions/FA
 3/08/21  Illumina, Inc.                    8-K:1,9     3/08/21   11:1.1M                                   Donnelley … Solutions/FA
 2/17/21  Illumina, Inc.                    10-K        1/03/21  102:13M
 2/05/21  Illumina, Inc.                    8-K:1,9     2/04/21   11:202K                                   Cravath Swaine & … 01/FA
10/30/20  Illumina, Inc.                    10-Q        9/27/20   67:7.5M
 9/21/20  Illumina, Inc.                    8-K:1,8,9   9/20/20   14:2.2M                                   Cravath Swaine & … 01/FA
 8/07/20  Illumina, Inc.                    10-Q        6/28/20   68:8.3M
 2/11/20  Illumina, Inc.                    10-K       12/29/19  109:16M
 1/02/20  Illumina, Inc.                    8-K:1,7,9   1/02/20   14:223K
10/25/19  Illumina, Inc.                    10-Q        9/29/19   74:8.8M
 9/26/19  Illumina, Inc.                    8-K:1,9     9/25/19   13:218K
 7/31/19  Illumina, Inc.                    10-Q        6/30/19   74:8.2M
11/05/18  Illumina, Inc.                    8-K:1,5,8,910/31/18    4:705K
 8/21/18  Illumina, Inc.                    8-K:1,2,3,8 8/21/18    2:659K                                   Donnelley … Solutions/FA
 4/25/18  Illumina, Inc.                    10-Q        4/01/18   71:5.4M
 2/13/18  Illumina, Inc.                    10-K       12/31/17  113:13M
 2/14/17  Illumina, Inc.                    10-K        1/01/17  119:13M
 3/02/16  Illumina, Inc.                    10-K        1/03/16  114:12M
 7/31/15  Illumina, Inc.                    10-Q        6/28/15   56:5.4M
 2/18/15  Illumina, Inc.                    10-K       12/28/14  107:51M
10/29/14  Illumina, Inc.                    10-Q        9/28/14   63:7.2M
 6/11/14  Illumina, Inc.                    8-K:1,2,3,8 6/05/14    3:1M                                     Donnelley … Solutions/FA
 5/03/12  Illumina, Inc.                    10-Q        4/01/12   66:7M
 2/07/12  Illumina, Inc.                    SC 14D9                5:1M   Illumina, Inc.                    Donnelley … Solutions/FA
 2/26/10  Illumina, Inc.                    10-K        1/03/10   11:1.6M                                   Donnelley … Solutions/FA
 2/26/09  Illumina, Inc.                    10-K       12/28/08   15:1.7M                                   Bowne - BSD/FA
 7/25/08  Illumina, Inc.                    10-Q        6/29/08   10:634K                                   Bowne - BSD/FA
11/26/07  Illumina, Inc.                    8-K:9      11/26/07    6:450K                                   Bowne - BSD/FA
 5/03/07  Illumina, Inc.                    10-Q        4/01/07    8:2.6M                                   Bowne - BSD/FA
 7/03/00  Illumina, Inc.                    S-1/A                 14:614K                                   Donnelley Fin’l S… 13/FA

↑Top

Filing Submission 0001110803-22-000013 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Illumina, Inc. – ‘10-K’ for 1/2/22 – ‘JSON’

On: Friday, 2/18/22, at 3:11pm ET · For: 1/2/22 · Accession #: 1110803-22-13 · File #: 1-35406

Annual Report — Form 10-KFiling Table of Contents

‘JSON’ — XBRL Instance as JSON Data — MetaLinks

This File is an XBRL Instance as JavaScript Object Notation (JSON) Data.

13 Subsequent Filings that Reference this Filing

33 Previous Filings that this Filing References

Annual Report — Form 10-K

Filing Table of Contents