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Corning Inc/NY – ‘10-K’ for 12/31/19 – ‘JSON’

On:  Friday, 2/14/20, at 5:54pm ET   ·   As of:  2/18/20   ·   For:  12/31/19   ·   Accession #:  24741-20-14   ·   File #:  1-03247

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

 2/18/20  Corning Inc/NY                    10-K       12/31/19  135:49M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.86M 
 2: EX-10.77    Material Contract                                   HTML     79K 
 3: EX-10.79    Material Contract                                   HTML     65K 
 4: EX-10.80    Material Contract                                   HTML     82K 
 5: EX-21       Subsidiaries List                                   HTML     54K 
 6: EX-23       Consent of Experts or Counsel                       HTML     37K 
 7: EX-31.1     Certification -- §302 - SOA'02                      HTML     46K 
 8: EX-31.2     Certification -- §302 - SOA'02                      HTML     46K 
 9: EX-32       Certification -- §906 - SOA'02                      HTML     41K 
34: R1          Document And Entity Information                     HTML     99K 
77: R2          Consolidated Statements of Income (Loss)            HTML     96K 
125: R3          Consolidated Statements of Comprehensive Income     HTML     61K  
46: R4          Consolidated Balance Sheets                         HTML    133K 
35: R5          Consolidated Balance Sheets (Parentheticals)        HTML     63K 
78: R6          Consolidated Statements of Cash Flows               HTML    145K 
126: R7          Consolidated Statements of Changes in               HTML     74K  
                Shareholders' Equity                                             
48: R8          Consolidated Statements of Changes in               HTML     47K 
                Shareholders' Equity (Parentheticals)                            
32: R9          Summary of Significant Accounting Policies          HTML    283K 
71: R10         Revenue                                             HTML    160K 
27: R11         Inventories, Net of Inventory Reserves              HTML     66K 
106: R12         Leases                                              HTML    232K  
121: R13         Income Taxes                                        HTML    428K  
72: R14         Investments                                         HTML    414K 
28: R15         Acquisitions                                        HTML     62K 
107: R16         Property, Plant and Equipment, Net of Accumulated   HTML     78K  
                Depreciation                                                     
122: R17         Goodwill and Other Intangible Assets                HTML    247K  
73: R18         Other Assets and Other Liabilities                  HTML    171K 
26: R19         Debt                                                HTML    245K 
80: R20         Employee Retirement Plans                           HTML   1.71M 
123: R21         Commitments, Contingencies and Guarantees           HTML    218K  
47: R22         Hedging Activities                                  HTML    409K 
31: R23         Fair Value Measurements                             HTML    224K 
81: R24         Shareholders' Equity                                HTML    550K 
124: R25         Earnings (Loss) Per Common Share                    HTML    146K  
49: R26         Reportable Segments                                 HTML   1.05M 
33: R27         Schedule II - Valuation and Qualifying Accounts     HTML    171K 
79: R28         Summary of Significant Accounting Policies          HTML    347K 
                (Policy)                                                         
127: R29         Summary of Significant Accounting Policies          HTML    176K  
                (Tables)                                                         
120: R30         Revenue (Tables)                                    HTML    137K  
104: R31         Inventories, Net of Inventory Reserves (Tables)     HTML     66K  
30: R32         Leases (Tables)                                     HTML    221K 
76: R33         Income Taxes (Tables)                               HTML    416K 
119: R34         Investments (Tables)                                HTML    398K  
103: R35         Acquisitions (Tables)                               HTML     53K  
29: R36         Property, Plant and Equipment, Net of Accumulated   HTML     72K 
                Depreciation (Tables)                                            
74: R37         Goodwill and Other Intangible Assets (Tables)       HTML    239K 
117: R38         Other Assets and Other Liabilities (Tables)         HTML    166K  
105: R39         Debt (Tables)                                       HTML    207K  
135: R40         Employee Retirement Plans (Tables)                  HTML   1.69M  
88: R41         Commitments, Contingencies and Guarantees (Tables)  HTML    188K 
39: R42         Hedging Activities (Tables)                         HTML    388K 
51: R43         Fair Value Measurements (Tables)                    HTML    214K 
134: R44         Shareholders' Equity (Tables)                       HTML    519K  
87: R45         Earnings (Loss) Per Common Share (Tables)           HTML    144K 
38: R46         Reportable Segments (Tables)                        HTML   1.04M 
50: R47         Summary of Significant Accounting Policies          HTML    113K 
                (Narrative) (Details)                                            
132: R48         Summary of Significant Accounting Policies          HTML     62K  
                (Valuation of Option Grants under Stock Option                   
                Plans) (Details)                                                 
90: R49         Summary of Significant Accounting Policies          HTML     49K 
                (Supplemental Disclosure of Cash Flow Information)               
                (Details)                                                        
101: R50         Summary of Significant Accounting Policies (Useful  HTML     47K  
                Life of Equipment) (Details)                                     
112: R51         Revenue (Narrative) (Details)                       HTML     50K  
63: R52         Revenue (Disaggregation of Revenue) (Details)       HTML     54K 
15: R53         Inventories, Net of Inventory Reserves (Details)    HTML     51K 
102: R54         Leases (Narrative) (Details)                        HTML     74K  
113: R55         Leases (Supplemental Balance Sheet Information)     HTML     67K  
                (Details)                                                        
64: R56         Leases (Maturities of Lease Liabilities) (Details)  HTML     76K 
17: R57         Leases (Maturities of Lease Liabilities Under       HTML     68K 
                Previous Lease Standard) (Details)                               
100: R58         Income Taxes (Narrative) (Details)                  HTML     64K  
115: R59         Income Taxes (Income Before Income Taxes)           HTML     46K  
                (Details)                                                        
55: R60         Income Taxes (Current and Deferred Amounts of       HTML     60K 
                Provision) (Details)                                             
43: R61         Income Taxes (Reconciliation of the U.S. Statutory  HTML     79K 
                Income Tax Rate to Effective Tax Rate) (Details)                 
83: R62         Income Taxes (Tax Effects of Temporary Differences  HTML     72K 
                and Carryforwards of Deferred Tax Assets and                     
                Liabilities) (Details)                                           
129: R63         Income Taxes (Net Deferred Tax Assets) (Details)    HTML     43K  
56: R64         Income Taxes (Deferred Tax Assets for Loss and Tax  HTML     55K 
                Credit Carryforwards) (Details)                                  
44: R65         Income Taxes (Reconciliation of Unrecognized Tax    HTML     48K 
                Benefits) (Details)                                              
84: R66         Investments (Narrative) (Details)                   HTML     70K 
130: R67         Investments (Investments) (Details)                 HTML     64K  
59: R68         Investments (Results From Operations) (Details)     HTML    111K 
41: R69         Acquisitions (Narrative) (Details)                  HTML     56K 
22: R70         Acquisitions (Recognized Amounts of Identified      HTML     74K 
                Assets Acquired and Liabilities Assumed) (Details)               
69: R71         Property, Plant and Equipment, Net of Accumulated   HTML     42K 
                Depreciation (Narrative) (Details)                               
110: R72         Property, Plant and Equipment, Net of Accumulated   HTML     51K  
                Depreciation (Property, Plant and Equipment, Net                 
                of Accumulated Depreciation) (Details)                           
96: R73         Goodwill and Other Intangible Assets (Narrative)    HTML     67K 
                (Details)                                                        
21: R74         Goodwill and Other Intangible Assets (Carrying      HTML     60K 
                Amount of Goodwill by Segment) (Details)                         
68: R75         Goodwill and Other Intangible Assets (Other         HTML     49K 
                Intangible Assets) (Details)                                     
109: R76         Other Assets and Other Liabilities (Narrative)      HTML     44K  
                (Details)                                                        
95: R77         Other Assets and Other Liabilities (Other Assets)   HTML     56K 
                (Details)                                                        
24: R78         Other Assets and Other Liabilities (Other           HTML     86K 
                Liabilities) (Details)                                           
65: R79         Debt (Narrative) (Details)                          HTML    119K 
23: R80         Debt (Long-term Debt) (Details)                     HTML    124K 
70: R81         Debt (Debt Maturities) (Details)                    HTML     48K 
111: R82         Employee Retirement Plans (Narrative) (Details)     HTML     91K  
97: R83         Employee Retirement Plans (Obligations and Funded   HTML    148K 
                Status Schedule) (Details)                                       
20: R84         Employee Retirement Plans (Postretirement           HTML     92K 
                Benefits) (Details)                                              
67: R85         Employee Retirement Plans (Benefit Obligations in   HTML     41K 
                Excess of Fair Value of Plan Assets) (Details)                   
108: R86         Employee Retirement Plans (Accumulated Benefit      HTML     42K  
                Obligation in Excess of Fair Value of Plan Assets)               
                (Details)                                                        
94: R87         Employee Retirement Plans (Net Periodic Benefit     HTML     97K 
                Expense) (Details)                                               
25: R88         Employee Retirement Plans (Net Periodic Benefit     HTML     79K 
                Cost of Postretirement Benefits) (Details)                       
66: R89         Employee Retirement Plans (Weighted-average         HTML     59K 
                Assumptions Used to Determine Benefit Obligations                
                and Net Periodic Benefit Cost) (Details)                         
54: R90         Employee Retirement Plans (Assumed Health Care      HTML     43K 
                Trend Rates) (Details)                                           
42: R91         Employee Retirement Plans (Effect                   HTML     46K 
                One-percent-point Change in Assumed Health Care                  
                Cost) (Details)                                                  
82: R92         Employee Retirement Plans (Domestic Defined         HTML     77K 
                Benefit Plan Assets) (Details)                                   
128: R93         Employee Retirement Plans (International Defined    HTML     65K  
                Benefit Plan Assets) (Details)                                   
57: R94         Employee Retirement Plans (Changes in Fair Value    HTML     65K 
                of Level 3 Assets for Defined Benefit Plans)                     
                (Details)                                                        
45: R95         Employee Retirement Plans (Estimated Future         HTML     60K 
                Benefit Payments and Gross Medicare to be                        
                Received) (Details)                                              
85: R96         Commitments, Contingencies and Guarantees           HTML     84K 
                (Narrative) (Details)                                            
131: R97         Commitments, Contingencies and Guarantees           HTML    103K  
                (Obligations) (Details)                                          
58: R98         Hedging Activities (Narrative) (Details)            HTML     50K 
40: R99         Hedging Activities (Summary of Notional Amounts     HTML     65K 
                and Respective Fair Values of Derivative Financial               
                Instruments) (Details)                                           
19: R100        Hedging Activities (Effect on Consolidated          HTML     53K 
                Financial Statements) (Details)                                  
61: R101        Hedging Activities (Effect on Consolidated          HTML     44K 
                Financial Statements) (Details)                                  
116: R102        Fair Value Measurements (Narrative) (Details)       HTML     51K  
99: R103        Fair Value Measurements (Major Categories of        HTML     57K 
                Financial Assets and Liabilities Measured on a                   
                Recurring Basis) (Details)                                       
18: R104        Shareholders' Equity (Narrative) (Details)          HTML    112K 
60: R105        Shareholders' Equity (Changes in Capital Stock)     HTML     74K 
                (Details)                                                        
114: R106        Shareholders' Equity (Accumulated Other             HTML     86K  
                Comprehensive Income (Loss)) (Details)                           
98: R107        Shareholders' Equity (Reclassifications Out of      HTML     94K 
                Accumulated Other Comprehensive Income by                        
                Component) (Details)                                             
16: R108        Earnings (Loss) Per Common Share (Details)          HTML     86K 
62: R109        Reportable Segments (Narrative) (Details)           HTML     37K 
52: R110        Reportable Segments (Reportable Segments)           HTML     97K 
                (Details)                                                        
36: R111        Reportable Segments (Reconciliation of Reportable   HTML     44K 
                Segment and All Other Net Sales to Consolidated                  
                Net Sales) (Details)                                             
89: R112        Reportable Segments (Reconciliation of Reportable   HTML     86K 
                Segment Net Income to Consolidated Net Income                    
                (Loss)) (Details)                                                
133: R113        Reportable Segments (Reconciliation of Reportable   HTML     68K  
                Segment Assets to Consolidated Total Assets)                     
                (Details)                                                        
53: R114        Reportable Segments (Selected Financial             HTML     75K 
                Information On Product Lines and Reportable                      
                Segments) (Details)                                              
37: R115        Reportable Segments (Information Concerning         HTML     74K 
                Principal Geographic Areas) (Details)                            
93: R116        Schedule II - Valuation and Qualifying Accounts     HTML     48K 
                (Details)                                                        
86: XML         IDEA XML File -- Filing Summary                      XML    264K 
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91: EXCEL       IDEA Workbook of Financial Reports                  XLSX    177K 
11: EX-101.CAL  XBRL Calculations -- glw-20191231_cal                XML    371K 
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            "dei_EntityAddressCityOrTown":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Name of the City or Town",
                            "label":  "Entity Address, City or Town"
                            }
                        }
                    },
                "localname":  "EntityAddressCityOrTown",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressPostalZipCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Code for the postal or zip code",
                            "label":  "Entity Address, Postal Zip Code"
                            }
                        }
                    },
                "localname":  "EntityAddressPostalZipCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressStateOrProvince":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Name of the state or province.",
                            "label":  "Entity Address, State or Province"
                            }
                        }
                    },
                "localname":  "EntityAddressStateOrProvince",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "stateOrProvinceItemType"
                },
            "dei_EntityCentralIndexKey":  {
                "auth_ref":  [
                    "r608"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityCentralIndexKey",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityCommonStockSharesOutstanding",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityCurrentReportingStatus",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureInvestmentsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "dei_EntityEmergingGrowthCompany":  {
                "auth_ref":  [
                    "r608"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicate if registrant meets the emerging growth company criteria.",
                            "label":  "Entity Emerging Growth Company"
                            }
                        }
                    },
                "localname":  "EntityEmergingGrowthCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityFileNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "fileNumberItemType"
                },
            "dei_EntityFilerCategory":  {
                "auth_ref":  [
                    "r608"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityFilerCategory",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityIncorporationStateCountryCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "edgarStateCountryItemType"
                },
            "dei_EntityInteractiveDataCurrent":  {
                "auth_ref":  [
                    "r609"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityInteractiveDataCurrent",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityPublicFloat",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "dei_EntityRegistrantName":  {
                "auth_ref":  [
                    "r608"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityRegistrantName",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityShellCompany":  {
                "auth_ref":  [
                    "r608"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityShellCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntitySmallBusiness":  {
                "auth_ref":  [
                    "r608"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Indicates that the company is a Smaller Reporting Company (SRC).",
                            "label":  "Entity Small Business"
                            }
                        }
                    },
                "localname":  "EntitySmallBusiness",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityTaxIdentificationNumber":  {
                "auth_ref":  [
                    "r608"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityTaxIdentificationNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityVoluntaryFilers",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityWellKnownSeasonedIssuer":  {
                "auth_ref":  [
                    ],
                "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"
                            }
                        }
                    },
                "localname":  "EntityWellKnownSeasonedIssuer",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_LegalEntityAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The set of legal entities associated with a report.",
                            "label":  "Legal Entity [Axis]"
                            }
                        }
                    },
                "localname":  "LegalEntityAxis",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureInvestmentsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "dei_LocalPhoneNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Local phone number for entity.",
                            "label":  "Local Phone Number"
                            }
                        }
                    },
                "localname":  "LocalPhoneNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_Security12bTitle":  {
                "auth_ref":  [
                    "r603"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Title of a 12(b) registered security.",
                            "label":  "Title of 12(b) Security"
                            }
                        }
                    },
                "localname":  "Security12bTitle",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "securityTitleItemType"
                },
            "dei_SecurityExchangeName":  {
                "auth_ref":  [
                    "r605"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Name of the Exchange on which a security is registered.",
                            "label":  "Security Exchange Name"
                            }
                        }
                    },
                "localname":  "SecurityExchangeName",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "edgarExchangeCodeItemType"
                },
            "dei_TradingSymbol":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Trading symbol of an instrument as listed on an exchange.",
                            "label":  "Trading Symbol"
                            }
                        }
                    },
                "localname":  "TradingSymbol",
                "nsuri":  "http://xbrl.sec.gov/dei/2019-01-31",
                "presentation":  [
                    "http://www.corning.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "tradingSymbolItemType"
                },
            "glw_AdvancedOpticsAndOtherSpecialtyGlassMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Information about the Company's product line, advanced optics and other specialty glass.",
                            "label":  "Advanced Optics And Other Specialty Glass [Member]",
                            "terseLabel":  "Advanced Optics And Other Specialty Glass [Member]"
                            }
                        }
                    },
                "localname":  "AdvancedOpticsAndOtherSpecialtyGlassMember",
                "nsuri":  "http://www.corning.com/20191231",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureReportableSegmentsSelectedFinancialInformationOnProductLinesAndReportableSegmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "glw_AffiliatedCompaniesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "label":  "Affiliated Companies [Member]",
                            "terseLabel":  "Affiliated Companies [Member]"
                            }
                        }
                    },
                "localname":  "AffiliatedCompaniesMember",
                "nsuri":  "http://www.corning.com/20191231",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureInvestmentsResultsFromOperationsDetails",
                    "http://www.corning.com/role/DisclosureInvestmentsTables"
                    ],
                "xbrltype":  "domainItemType"
                },
            "glw_AllOtherMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "label":  "All Other [Member]",
                            "terseLabel":  "All Other [Member]"
                            }
                        }
                    },
                "localname":  "AllOtherMember",
                "nsuri":  "http://www.corning.com/20191231",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureInvestmentsInvestmentsDetails",
                    "http://www.corning.com/role/DisclosureReportableSegmentsInformationConcerningPrincipalGeographicAreasDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "glw_AllOtherProductsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "All Other Products [Member]",
                            "label":  "All Other Products [Member]",
                            "terseLabel":  "All Other [Member]"
                            }
                        }
                    },
                "localname":  "AllOtherProductsMember",
                "nsuri":  "http://www.corning.com/20191231",
                "presentation":  [
                    "http://www.corning.com/role/DisclosureRevenueDisaggregationOfRevenueDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "glw_AmendedCreditFacilityMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Amended credit facility [member]",
                            "label":  "Amended Credit Facility [Member]",
                            "terseLabel":  "Amended Credit Facility [Member]"
                            }
                        }
                    },
                "localname":  "AmendedCreditFacilityMember",
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}

7 Subsequent Filings that Reference this Filing

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

 2/12/24  Corning Inc./NY                   10-K       12/31/23  130:19M                                    RDG Filings/FA
 5/11/23  Corning Inc./NY                   424B2                  2:609K                                   DG3/FA
 5/09/23  Corning Inc./NY                   424B2                  1:601K                                   DG3/FA
 2/13/23  Corning Inc./NY                   10-K       12/31/22  136:20M                                    RDG Filings/FA
 2/14/22  Corning Inc./NY                   10-K       12/31/21  139:22M                                    RDG Filings/FA
 2/12/21  Corning Inc./NY                   10-K       12/31/20  145:52M                                    Certent, Inc./FA
12/04/20  Corning Inc./NY                   S-3ASR     12/04/20    4:398K                                   Donnelley … Solutions/FA
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