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Western Digital Corp. – ‘10-Q’ for 12/29/23 – ‘EX-101.SCH’

On:  Monday, 2/12/24, at 4:29pm ET   ·   For:  12/29/23   ·   Accession #:  106040-24-14   ·   File #:  1-08703

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

 2/12/24  Western Digital Corp.             10-Q       12/29/23  100:10M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.89M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     33K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     33K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     30K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     30K 
11: R1          Cover Page                                          HTML     81K 
12: R2          Condensed Consolidated Balance Sheets               HTML    140K 
13: R3          Condensed Consolidated Balance Sheets               HTML     54K 
                (Parenthetical)                                                  
14: R4          Condensed Consolidated Statements of Operations     HTML    121K 
15: R5          Condensed Consolidated Statements of Comprehensive  HTML     61K 
                Loss                                                             
16: R6          Condensed Consolidated Statements of Cash Flows     HTML    136K 
17: R7          Condensed Consolidated Statements of Convertible    HTML    110K 
                Preferred Stock and Shareholders? Equity                         
18: R8          Organization and Basis of Presentation              HTML     41K 
19: R9          Recent Accounting Pronouncements                    HTML     44K 
20: R10         Business Segments, Geographic Information, and      HTML    106K 
                Concentrations of Risk                                           
21: R11         Supplemental Financial Statement Data               HTML    107K 
22: R12         Fair Value Measurements and Investments             HTML    104K 
23: R13         Derivative Instruments and Hedging Activities       HTML     34K 
24: R14         Debt                                                HTML     59K 
25: R15         Pension and Other Post-Retirement Benefit Plans     HTML     51K 
26: R16         Related Parties and Related Commitments and         HTML     73K 
                Contingencies                                                    
27: R17         Leases and Other Commitments                        HTML     67K 
28: R18         Shareholders' Equity and Convertible Preferred      HTML    104K 
                Stock                                                            
29: R19         Income Tax Expense                                  HTML     57K 
30: R20         Net Loss Per Common Share                           HTML     57K 
31: R21         Employee Termination, Asset Impairment, and Other   HTML     67K 
32: R22         Supplier Finance Program                            HTML     33K 
33: R23         Legal Proceedings                                   HTML     32K 
34: R24         Revision of Previously Issued Financial Statements  HTML    168K 
35: R25         Pay vs Performance Disclosure                       HTML     42K 
36: R26         Insider Trading Arrangements                        HTML     56K 
37: R27         Organization and Basis of Presentation (Policies)   HTML     64K 
38: R28         Business Segments, Geographic Information, and      HTML    111K 
                Concentrations of Risk (Tables)                                  
39: R29         Supplemental Financial Statement Data (Tables)      HTML    113K 
40: R30         Fair Value Measurements and Investments (Tables)    HTML    102K 
41: R31         Debt (Tables)                                       HTML     47K 
42: R32         Pension and Other Post-Retirement Benefit Plans     HTML     49K 
                (Tables)                                                         
43: R33         Related Parties and Related Commitments and         HTML     70K 
                Contingencies (Tables)                                           
44: R34         Leases and Other Commitments (Tables)               HTML     67K 
45: R35         Shareholders' Equity and Convertible Preferred      HTML    106K 
                Stock (Tables)                                                   
46: R36         Income Tax Expense (Tables)                         HTML     49K 
47: R37         Net Loss Per Common Share (Tables)                  HTML     55K 
48: R38         Employee Termination, Asset Impairment, and Other   HTML     67K 
                (Tables)                                                         
49: R39         Revision of Previously Issued Financial Statements  HTML    168K 
                (Tables)                                                         
50: R40         Organization and Basis of Presentation -            HTML     31K 
                Additional Information (Details)                                 
51: R41         Business Segments, Geographic Information, and      HTML     67K 
                Concentrations of Risk - Reportable Segments                     
                (Details)                                                        
52: R42         Business Segments, Geographic Information, and      HTML     50K 
                Concentrations of Risk - Disaggregation of Revenue               
                (Details)                                                        
53: R43         Business Segments, Geographic Information, and      HTML     36K 
                Concentrations of Risk - Additional Information                  
                (Details)                                                        
54: R44         Business Segments, Geographic Information, and      HTML     40K 
                Concentrations of Risk - Goodwill Rollforward                    
                (Details)                                                        
55: R45         Supplemental Financial Statement Data - Additional  HTML     44K 
                Information (Details)                                            
56: R46         Supplemental Financial Statement Data - Inventory   HTML     39K 
                (Details)                                                        
57: R47         Supplemental Financial Statement Data - Property,   HTML     50K 
                Plant and Equipment (Details)                                    
58: R48         Supplemental Financial Statement Data - Warranty    HTML     39K 
                Accrual Roll Forward (Details)                                   
59: R49         Supplemental Financial Statement Data - Total       HTML     37K 
                Warranty Accrual (Details)                                       
60: R50         Supplemental Financial Statement Data - Other       HTML     37K 
                Liabilities (Details)                                            
61: R51         Supplemental Financial Statement Data -             HTML     63K 
                Accumulated Other Comprehensive Loss Roll Forward                
                (Details)                                                        
62: R52         Fair Value Measurements and Investments -           HTML     78K 
                Financial Assets and Liabilities Measured at Fair                
                Value on Recurring Basis (Details)                               
63: R53         Fair Value Measurements and Investments - Debt      HTML     77K 
                Instrument Fair Value (Details)                                  
64: R54         Derivative Instruments and Hedging Activities       HTML     32K 
                (Details)                                                        
65: R55         Debt - Schedule of Debt (Details)                   HTML     72K 
66: R56         Debt - Additional Information (Details)             HTML    119K 
67: R57         Pension and Other Post-Retirement Benefit Plans -   HTML     31K 
                Additional Information (Details)                                 
68: R58         Pension and Other Post-Retirement Benefit Plans -   HTML     37K 
                Obligations and Funded Status (Details)                          
69: R59         Pension and Other Post-Retirement Benefit Plans -   HTML     38K 
                Unfunded Amounts Recognized on Consolidated                      
                Balance Sheets (Details)                                         
70: R60         Related Parties and Related Commitments and         HTML     79K 
                Contingencies - Additional Information (Details)                 
71: R61         Related Parties and Related Commitments and         HTML     49K 
                Contingencies - Equity Investments (Details)                     
72: R62         Related Parties and Related Commitments and         HTML     46K 
                Contingencies - Maximum Loss Exposure (Details)                  
73: R63         Related Parties and Related Commitments and         HTML     35K 
                Contingencies - JV Lease Guarantees (Details)                    
74: R64         Related Parties and Related Commitments and         HTML     52K 
                Contingencies - Joint Venture Lease Amounts                      
                (Details)                                                        
75: R65         Leases and Other Commitments - Supplemental         HTML     65K 
                Balance Sheet (Details)                                          
76: R66         Leases and Other Commitments - Supplemental Cash    HTML     36K 
                Flow (Details)                                                   
77: R67         Leases and Other Commitments - Sale Leaseback       HTML     44K 
                (Details)                                                        
78: R68         Leases and Other Commitments - Long-Term            HTML     42K 
                Commitments (Details)                                            
79: R69         Shareholders' Equity and Convertible Preferred      HTML     56K 
                Stock - Stock-Based Compensation Expense (Details)               
80: R70         Shareholders' Equity and Convertible Preferred      HTML     46K 
                Stock - Unrecognized Share-based Compensation                    
                (Details)                                                        
81: R71         Shareholders' Equity and Convertible Preferred      HTML     44K 
                Stock - Stock Option Activity (Details)                          
82: R72         Shareholders' Equity and Convertible Preferred      HTML     55K 
                Stock - Restricted Stock Units And Performance                   
                Share Units (Details)                                            
83: R73         Shareholders' Equity and Convertible Preferred      HTML     70K 
                Stock - Convertible Preferred Stock (Details)                    
84: R74         Income Tax Expense - Tax Expense and Effective Tax  HTML     40K 
                Rate (Details)                                                   
85: R75         Income Tax Expense - Additional Information         HTML     46K 
                (Details)                                                        
86: R76         Income Tax Expense - Unrecognized Tax Benefits      HTML     43K 
                (Details)                                                        
87: R77         Net Loss Per Common Share - Earnings Per Share,     HTML     74K 
                Basic and Diluted (Details)                                      
88: R78         Employee Termination, Asset Impairment, and Other   HTML     45K 
                - Expense Recognition (Details)                                  
89: R79         Employee Termination, Asset Impairment, and Other   HTML     44K 
                - Business Realignment Activities (Details)                      
90: R80         Supplier Finance Program (Details)                  HTML     38K 
91: R81         Revision of Previously Issued Financial Statements  HTML     96K 
                - Condensed Consolidated Statement of Operations                 
                (Details)                                                        
92: R82         Revision of Previously Issued Financial Statements  HTML     99K 
                - Condensed Consolidated Statement of                            
                Comprehensive Loss (Details)                                     
93: R83         Revision of Previously Issued Financial Statements  HTML     61K 
                - Condensed Consolidated Statement of Cash Flows                 
                (Details)                                                        
94: R84         Revision of Previously Issued Financial Statements  HTML     83K 
                - Condensed Consolidated Statement of                            
                Shareholders? Equity (Details)                                   
95: R85         Revision of Previously Issued Financial Statements  HTML     74K 
                - Condensed Consolidated Balance Sheet (Details)                 
97: XML         IDEA XML File -- Filing Summary                      XML    188K 
100: XML         XBRL Instance -- wdc-20231229_htm                    XML   2.63M  
96: EXCEL       IDEA Workbook of Financial Report Info              XLSX    181K 
 7: EX-101.CAL  XBRL Calculations -- wdc-20231229_cal                XML    237K 
 8: EX-101.DEF  XBRL Definitions -- wdc-20231229_def                 XML    781K 
 9: EX-101.LAB  XBRL Labels -- wdc-20231229_lab                      XML   2.11M 
10: EX-101.PRE  XBRL Presentations -- wdc-20231229_pre               XML   1.30M 
 6: EX-101.SCH  XBRL Schema -- wdc-20231229                          XSD    202K 
98: JSON        XBRL Instance as JSON Data -- MetaLinks              622±   924K 
99: ZIP         XBRL Zipped Folder -- 0000106040-24-000014-xbrl      Zip    441K

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This Exhibit is an XBRL File.

                                                                                                                                                                                
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<link:definition> 9954474 - Disclosure - Fair Value Measurements and Investments (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DebtTables" roleURI="http://www.wdc.com/role/DebtTables">
<link:definition> 9954475 - Disclosure - Debt (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954476 - Disclosure - Pension and Other Post-Retirement Benefit Plans (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesTables" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesTables">
<link:definition> 9954477 - Disclosure - Related Parties and Related Commitments and Contingencies (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesandOtherCommitmentsTables" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsTables">
<link:definition> 9954478 - Disclosure - Leases and Other Commitments (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954479 - Disclosure - Shareholders' Equity and Convertible Preferred Stock (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxExpenseTables" roleURI="http://www.wdc.com/role/IncomeTaxExpenseTables">
<link:definition> 9954480 - Disclosure - Income Tax Expense (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="NetLossPerCommonShareTables" roleURI="http://www.wdc.com/role/NetLossPerCommonShareTables">
<link:definition> 9954481 - Disclosure - Net Loss Per Common Share (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeTerminationAssetImpairmentandOtherTables" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherTables">
<link:definition> 9954482 - Disclosure - Employee Termination, Asset Impairment, and Other (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsTables" roleURI="http://www.wdc.com/role/RevisionofPreviouslyIssuedFinancialStatementsTables">
<link:definition> 9954483 - Disclosure - Revision of Previously Issued Financial Statements (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OrganizationandBasisofPresentationAdditionalInformationDetails" roleURI="http://www.wdc.com/role/OrganizationandBasisofPresentationAdditionalInformationDetails">
<link:definition> 9954484 - Disclosure - Organization and Basis of Presentation - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskReportableSegmentsDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskReportableSegmentsDetails">
<link:definition> 9954485 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Reportable Segments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskDisaggregationofRevenueDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskDisaggregationofRevenueDetails">
<link:definition> 9954486 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Disaggregation of Revenue (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskAdditionalInformationDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskAdditionalInformationDetails">
<link:definition> 9954487 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskGoodwillRollforwardDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskGoodwillRollforwardDetails">
<link:definition> 9954488 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Goodwill Rollforward (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialStatementDataAdditionalInformationDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataAdditionalInformationDetails">
<link:definition> 9954489 - Disclosure - Supplemental Financial Statement Data - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialStatementDataInventoryDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataInventoryDetails">
<link:definition> 9954490 - Disclosure - Supplemental Financial Statement Data - Inventory (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialStatementDataPropertyPlantandEquipmentDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataPropertyPlantandEquipmentDetails">
<link:definition> 9954491 - Disclosure - Supplemental Financial Statement Data - Property, Plant and Equipment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialStatementDataWarrantyAccrualRollForwardDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataWarrantyAccrualRollForwardDetails">
<link:definition> 9954492 - Disclosure - Supplemental Financial Statement Data - Warranty Accrual Roll Forward (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialStatementDataTotalWarrantyAccrualDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataTotalWarrantyAccrualDetails">
<link:definition> 9954493 - Disclosure - Supplemental Financial Statement Data - Total Warranty Accrual (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954494 - Disclosure - Supplemental Financial Statement Data - Other Liabilities (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954495 - Disclosure - Supplemental Financial Statement Data - Accumulated Other Comprehensive Loss Roll Forward (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954496 - Disclosure - Fair Value Measurements and Investments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954497 - Disclosure - Fair Value Measurements and Investments - Debt Instrument Fair Value (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954498 - Disclosure - Derivative Instruments and Hedging Activities (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DebtScheduleofDebtDetails" roleURI="http://www.wdc.com/role/DebtScheduleofDebtDetails">
<link:definition> 9954499 - Disclosure - Debt - Schedule of Debt (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DebtScheduleofDebtDetails_1" roleURI="http://www.wdc.com/role/DebtScheduleofDebtDetails_1">
<link:definition> 9954499 - Disclosure - Debt - Schedule of Debt (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DebtAdditionalInformationDetails" roleURI="http://www.wdc.com/role/DebtAdditionalInformationDetails">
<link:definition> 9954500 - Disclosure - Debt - Additional Information (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954501 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954502 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Obligations and Funded Status (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954503 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Unfunded Amounts Recognized on Consolidated Balance Sheets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954504 - Disclosure - Related Parties and Related Commitments and Contingencies - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954505 - Disclosure - Related Parties and Related Commitments and Contingencies - Equity Investments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954506 - Disclosure - Related Parties and Related Commitments and Contingencies - Maximum Loss Exposure (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954507 - Disclosure - Related Parties and Related Commitments and Contingencies - JV Lease Guarantees (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954508 - Disclosure - Related Parties and Related Commitments and Contingencies - Joint Venture Lease Amounts (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesandOtherCommitmentsSupplementalBalanceSheetDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSupplementalBalanceSheetDetails">
<link:definition> 9954509 - Disclosure - Leases and Other Commitments - Supplemental Balance Sheet (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesandOtherCommitmentsSupplementalBalanceSheetDetails_1" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSupplementalBalanceSheetDetails_1">
<link:definition> 9954509 - Disclosure - Leases and Other Commitments - Supplemental Balance Sheet (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954510 - Disclosure - Leases and Other Commitments - Supplemental Cash Flow (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="LeasesandOtherCommitmentsSaleLeasebackDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSaleLeasebackDetails">
<link:definition> 9954511 - Disclosure - Leases and Other Commitments - Sale Leaseback (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="LeasesandOtherCommitmentsLongTermCommitmentsDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsLongTermCommitmentsDetails">
<link:definition> 9954512 - Disclosure - Leases and Other Commitments - Long-Term Commitments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954513 - Disclosure - Shareholders' Equity and Convertible Preferred Stock - Stock-Based Compensation Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954514 - Disclosure - Shareholders' Equity and Convertible Preferred Stock - Unrecognized Share-based Compensation (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="ShareholdersEquityandConvertiblePreferredStockStockOptionActivityDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityandConvertiblePreferredStockStockOptionActivityDetails">
<link:definition> 9954515 - Disclosure - Shareholders' Equity and Convertible Preferred Stock - Stock Option Activity (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954516 - Disclosure - Shareholders' Equity and Convertible Preferred Stock - Restricted Stock Units And Performance Share Units (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954517 - Disclosure - Shareholders' Equity and Convertible Preferred Stock - Convertible Preferred Stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxExpenseTaxExpenseandEffectiveTaxRateDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseTaxExpenseandEffectiveTaxRateDetails">
<link:definition> 9954518 - Disclosure - Income Tax Expense - Tax Expense and Effective Tax Rate (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxExpenseAdditionalInformationDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseAdditionalInformationDetails">
<link:definition> 9954519 - Disclosure - Income Tax Expense - Additional Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxExpenseUnrecognizedTaxBenefitsDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseUnrecognizedTaxBenefitsDetails">
<link:definition> 9954520 - Disclosure - Income Tax Expense - Unrecognized Tax Benefits (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954521 - Disclosure - Net Loss Per Common Share - Earnings Per Share, Basic and Diluted (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeTerminationAssetImpairmentandOtherExpenseRecognitionDetails" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherExpenseRecognitionDetails">
<link:definition> 9954522 - Disclosure - Employee Termination, Asset Impairment, and Other - Expense Recognition (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeTerminationAssetImpairmentandOtherBusinessRealignmentActivitiesDetails" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherBusinessRealignmentActivitiesDetails">
<link:definition> 9954523 - Disclosure - Employee Termination, Asset Impairment, and Other - Business Realignment Activities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplierFinanceProgramDetails" roleURI="http://www.wdc.com/role/SupplierFinanceProgramDetails">
<link:definition> 9954524 - Disclosure - Supplier Finance Program (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsCondensedConsolidatedStatementofOperationsDetails" roleURI="http://www.wdc.com/role/RevisionofPreviouslyIssuedFinancialStatementsCondensedConsolidatedStatementofOperationsDetails">
<link:definition> 9954525 - Disclosure - Revision of Previously Issued Financial Statements - Condensed Consolidated Statement of Operations (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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</xs:schema>

6 Previous Filings that this Filing References

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

11/17/23  Western Digital Corp.             8-K:5,9    11/15/23   11:333K                                   Donnelley … Solutions/FA
11/03/23  Western Digital Corp.             8-K:1,2,3,911/03/23   12:1.2M                                   Donnelley … Solutions/FA
10/10/23  Western Digital Corp.             8-K:1,9    10/10/23   11:168K                                   Donnelley … Solutions/FA
 2/01/23  Western Digital Corp.             8-K:1,3,5,7 1/31/23   16:1.6M                                   Donnelley … Solutions/FA
 2/12/21  Western Digital Corp.             8-K:5,9     2/10/21   11:340K                                   Donnelley … Solutions/FA
 2/08/06  Western Digital Corp.             10-Q       12/30/05   13:707K                                   Bowne Boc/FA
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Filing Submission 0000106040-24-000014   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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