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Cover
Cover Page
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Operations
Consolidated Statements of Comprehensive Income (Loss)
Consolidated Statements of Cash Flows
Consolidated Statements of Shareholders' Equity
Notes to Financial Statements
Organization and Basis of Presentation
Recent Accounting Pronouncements
Revenues
Supplemental Financial Statement Data
Fair Value Measurements and Investments
Derivatives Instruments and Hedging Activities
Debt
Pensions and Other Post-retirement Benefit Plans
Related Parties and Related Commitments and Contingencies
Leases and Other Commitments
Business Segment, Geographic Information, and Concentration of Risk
Western Digital Corporation 401(k) Plan
Shareholders' Equity
Income Tax Expense
Net Income (Loss) Per Common Share
Employee Termination, Asset Impairment and Other Charges
Legal Proceedings
Accounting Policies
Organization and Basis of Presentation (Policies)
Notes Tables
Revenues (Tables)
Supplemental Financial Statement Data (Tables)
Fair Value Measurements and Investments (Tables)
Debt (Tables)
Pensions and Other Post-retirement Benefit Plans (Tables)
Related Parties and Related Commitments and Contingencies (Tables)
Leases and Other Commitments (Tables)
Business Segment, Geographic Information, and Concentration of Risk (Tables)
Shareholders' Equity (Tables)
Income Tax Expense (Tables)
Net Income (Loss) Per Common Share (Tables)
Employee Termination, Asset Impairment and Other Charges (Tables)
Notes Details
Organization and Basis of Presentation - Additional Information (Details)
Revenues - Disaggregation of Revenue (Details)
Revenues - Revenue Remaining Performance Obligation (Details)
Supplemental Financial Statement Data - Additional Information (Details)
Supplemental Financial Statement Data - Inventory (Details)
Supplemental Financial Statement Data - Property, Plant and Equipment (Details)
Supplemental Financial Statement Data - Goodwill Roll Forward (Details)
Supplemental Financial Statement Data - Intangible Assets (Details)
Supplemental Financial Statement Data - Intangible Asset Amortization (Details)
Supplemental Financial Statement Data - Intangible Asset Future Amortization (Details)
Supplemental Financial Statement Data - Movement in Standard Product Warranty Accrual (Details)
Supplemental Financial Statement Data - Total Warranty Accrual (Details)
Supplemental Financial Statement Data - Other Liabilities (Details)
Supplemental Financial Statement Data - Accumulated Other Comprehensive Income (Loss) Roll Forward (Details)
Fair Value Measurements and Investments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)
Fair Value Measurements and Investments - Debt Instrument Fair Value (Details)
Derivatives Instruments and Hedging Activities - Additional Information (Details)
Debt - Schedule of Debt (Details)
Debt - Additional Information (Details)
Debt - Debt Maturities (Details)
Pensions and Other Post-retirement Benefit Plans - Obligations and Funded Status (Details)
Pensions and Other Post-retirement Benefit Plans - Unfunded Amounts Recognized on Consolidated Balance Sheets (Details)
Pensions and Other Post-retirement Benefit Plans - Additional Information (Details)
Pensions and Other Post-retirement Benefit Plans - Weighted-Average Actuarial Assumptions used to Determine Benefit Obligations (Details)
Pensions and Other Post-retirement Benefit Plans - Weighted-Average Actuarial Assumptions used to Determine Benefit Costs (Details)
Pensions and Other Post-retirement Benefit Plans - Defined Benefit Pension Plans' Major Asset Categories and Their Associated Fair Values (Details)
Related Parties and Related Commitments and Contingencies - Additional Information (Details)
Related Parties and Related Commitments and Contingencies - Equity Investments (Details)
Related Parties and Related Commitments and Contingencies - Maximum Loss Exposure (Details)
Related Parties and Related Commitments and Contingencies - JV Lease Guarantees (Details)
Related Parties and Related Commitments and Contingencies - Joint Venture Lease Amounts (Details)
Leases and Other Commitments - Supplemental Balance Sheet (Details)
Leases and Other Commitments - Supplemental Cash Flow (Details)
Leases and Other Commitments - Rent Expense, Net (Details)
Leases and Other Commitments - Long-Term Commitments (Details)
Leases and Other Commitments - Additional Information (Details)
Business Segment, Geographic Information, and Concentration of Risk - Revenue by Geography (Details)
Business Segment, Geographic Information, and Concentration of Risk - Long-lived Assets by Geography (Details)
Business Segment, Geographic Information, and Concentration of Risk - Additional Information (Details)
Western Digital Corporation 401(k) Plan - Additional Information (Details)
Shareholders' Equity - 2017 Performance Incentive Plan and ESPP (Details)
Shareholders' Equity - Stock-Based Compensation Expense (Details)
Shareholders' Equity - Unrecognized Share-based Compensation (Details)
Shareholders' Equity - Stock Option Activity (Details)
Shareholders' Equity - Restricted Stock Units And Performance Share Units (Details)
Shareholders' Equity - Fair Values Assumptions User For Employee Stock Purchase Plan Granted (Details)
Shareholders' Equity - Stock Repurchase Program (Details)
Shareholders' Equity - Stock Reserved for Issuance (Details)
Income Tax Expense - Domestic and Foreign Components of Income Before Income Taxes (Details)
Income Tax Expense - Components of Provision for Income Taxes (Details)
Income Tax Expense - Deferred Tax Assets and Liabilities (Details)
Income Tax Expense - Additional Information (Details)
Income Tax Expense - Reconciliation of the U.S. Federal statutory rate (Details)
Income Tax Expense - NOL Carryforward (Details)
Income Tax Expense - Unrecognized Tax Benefits (Details)
Net Income (Loss) Per Common Share - Additional Information (Details)
Employee Termination, Asset Impairment and Other Charges - Expense Recognition (Details)
Employee Termination, Asset Impairment and Other Charges - Business Realignment Activities (Details)
All Reports