2117100 - Disclosure - Acquisition link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - Acquisition Acquisition Purchase Price (Details) link:presentationLink link:calculationLink link:definitionLink 2417407 - Disclosure - Acquisition Additional Information (Detail Textuals) link:presentationLink link:calculationLink link:definitionLink 2417405 - Disclosure - Acquisition Identifiable Intangible Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 2417406 - Disclosure - Acquisition Pro Forma (Details) link:presentationLink link:calculationLink link:definitionLink 2417404 - Disclosure - Acquisition Property, Plant and Equipment Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 2417403 - Disclosure - Acquisition Purchase Price Allocation (Details) link:presentationLink link:calculationLink link:definitionLink 2317301 - Disclosure - Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 2401404 - Disclosure - Additional info (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Business Segment, Geographic Information and Concentration of Risk link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - Business Segment, Geographic Information and Concentration of Risk Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2412404 - Disclosure - Business Segment, Geographic Information and Concentration of Risk Long-lived Assets by Geography (Details) link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Business Segment, Geographic Information and Concentration of Risk Revenue by End Market (Details) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Business Segment, Geographic Information and Concentration of Risk Revenue by Geography (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Business Segment, Geographic Information and Concentration of Risk (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2410409 - Disclosure - Commitments and Contingencies Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Commitments and Contingencies Equity Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - Commitments and Contingencies Future Minimum Lease Payments under Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - Commitments and Contingencies Joint Venture Lease Amounts (Details) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Commitments and Contingencies JV Lease Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 2410403 - Disclosure - Commitments and Contingencies Maximum Loss Exposure (Detail) link:presentationLink link:calculationLink link:definitionLink 2410408 - Disclosure - Commitments and Contingencies Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 2410407 - Disclosure - Commitments and Contingencies Rent Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2120100 - Disclosure - Condensed Consolidating Financial Statements link:presentationLink link:calculationLink link:definitionLink 2420402 - Disclosure - Condensed Consolidating Financial Statements Condensed Consolidating Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 2320301 - Disclosure - Condensed Consolidating Financial Statements (Tables) link:presentationLink link:calculationLink link:definitionLink 2420405 - Disclosure - Condensed Consolidating Statement of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 2420404 - Disclosure - Condensed Consolidating Statement of Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 2420403 - Disclosure - Condensed Consolidating Statement of Income (Details) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 2122100 - Disclosure - Consolidated Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 2422402 - Schedule - Consolidated Valuation and Qualifying Accounts Consolidated Valuation and Qualifying Accounts (Detail) link:presentationLink link:calculationLink link:definitionLink 2322301 - Disclosure - Consolidated Valuation and Qualifying Accounts Consolidated Valuation and Qualifying Accounts (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2407406 - Disclosure - Debt Convertible Notes (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Debt Senior Notes (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Debt Term Loans (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2407408 - Disclosure - Debt Termination of Existing Credit Agreement and Bridge Loans (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Derivatives link:presentationLink link:calculationLink link:definitionLink 2406407 - Disclosure - Derivatives Additional Information (Detail Textual) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Derivatives Derivative Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Derivatives Derivatives in Cash Flow Hedging Relationships (Detail) link:presentationLink link:calculationLink link:definitionLink 2406405 - Disclosure - Derivatives Offsetting Assets and Liabilities (Detail Textual) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Derivatives (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - Earnings per Share link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - Earnings per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2118100 - Disclosure - Employee Termination, Asset Impairment and Other Charges link:presentationLink link:calculationLink link:definitionLink 2418405 - Disclosure - Employee Termination, Asset Impairment and Other Charges Business Realignment Activities (Details) link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - Employee Termination, Asset Impairment and Other Charges Expense Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 2418404 - Disclosure - Employee Termination, Asset Impairment and Other Charges Odawara Plant Closure (Details) link:presentationLink link:calculationLink link:definitionLink 2418403 - Disclosure - Employee Termination, Asset Impairment and Other Charges Restructuring Plan 2016 (Detail) link:presentationLink link:calculationLink link:definitionLink 2418406 - Disclosure - Employee Termination, Asset Impairment and Other Charges Restructuring Plan Textuals (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - Employee Termination, Asset Impairment and Other Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - Fair Value Measurement (Policies) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2404409 - Disclosure - Fair Value Measurements Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2404407 - Disclosure - Fair Value Measurements Available-for-Sale Securities Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Fair Value Measurements Cash and Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2404408 - Disclosure - Fair Value Measurements Debt Instrument Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - Fair Value Measurements Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 2404405 - Disclosure - Fair Value Measurements Level Three Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2404406 - Disclosure - Fair Value Measurements Level Three Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2304302 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Goodwill and Other Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - Goodwill and Other Intangible Assets Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Goodwill and Other Intangible Assets Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Goodwill and Other Intangible Assets Intangible Asset Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - Goodwill and Other Intangible Assets Intangible Asset Future Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Goodwill and Other Intangible Assets Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - Income Taxes Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2415404 - Disclosure - Income Taxes Components of Provision for Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 2415406 - Disclosure - Income Taxes Deferred Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 2415406 - Disclosure - Income Taxes Deferred Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - Income Taxes Domestic and Foreign Components of Income Before Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - Income Taxes NOL Carryforward (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2415405 - Disclosure - Income Taxes U.S. Federal Statutory Rate to Company's Effective Tax Rate (Detail) link:presentationLink link:calculationLink link:definitionLink 2415408 - Disclosure - Income Taxes Unrecognized Tax Positions (Detail) link:presentationLink link:calculationLink link:definitionLink 2119100 - Disclosure - Legal Proceedings link:presentationLink link:calculationLink link:definitionLink 2419401 - Disclosure - Legal Proceedings Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Organization and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2301302 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Pensions and Other Post-retirement Benefit Plans link:presentationLink link:calculationLink link:definitionLink 2409407 - Disclosure - Pensions and Other Post-retirement Benefit Plans Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2409406 - Disclosure - Pensions and Other Post-retirement Benefit Plans Japanese Defined Benefit Pension Plans' Major Asset Categories and Their Associated Fair Values (Details) link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Pensions and Other Post-retirement Benefit Plans Obligations and Funded Status (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Pensions and Other Post-retirement Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Pensions and Other Post-retirement Benefit Plans Unfunded Amounts Recognized on Consolidated Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Pensions and Other Post-retirement Benefit Plans Weighted-Average Actuarial Assumptions used to Determine Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Pensions and Other Post-retirement Benefit Plans Weighted-Average Actuarial Assumptions used to Determine Benefit Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2401403 - Disclosure - Property, Plant and Equipment (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2121100 - Disclosure - Quarterly Results of Operations link:presentationLink link:calculationLink link:definitionLink 2421402 - Disclosure - Quarterly Results of Operations Supplemental Quarterly Results (Details) link:presentationLink link:calculationLink link:definitionLink 2321301 - Disclosure - Quarterly Results of Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Recent Accounting Pronouncement and Accounting Changes link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - Recent Accounting Pronouncements and Accounting Changes Recent Accounting Pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 2302301 - Disclosure - Recent Accounting Pronouncements and Accounting Changes Recent Accounting Pronouncements Tables link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Schedule of Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 2414413 - Disclosure - Shareholders' Equity Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2414412 - Disclosure - Shareholders' Equity Dividends (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - Shareholders' Equity Fair Value of Stock Options Granted (Detail) link:presentationLink link:calculationLink link:definitionLink 2414406 - Disclosure - Shareholders' Equity Fair Value of Vested Awards (Details) link:presentationLink link:calculationLink link:definitionLink 2414409 - Disclosure - Shareholders' Equity Fair Values of All Employee Stock Purchase Plan Granted (Detail) link:presentationLink link:calculationLink link:definitionLink 2414405 - Disclosure - Shareholders' Equity Restricted Stock Units (Detail) link:presentationLink link:calculationLink link:definitionLink 2414410 - Disclosure - Shareholders' Equity Share Repurchase Program (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2414407 - Disclosure - Shareholders' Equity Stock Appreciation Rights (SARS) (Details) link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - Shareholders' Equity Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2414404 - Disclosure - Shareholders' Equity Stock Option Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 2414411 - Disclosure - Shareholders' Equity Stock Reserved for Issuance (Detail) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - Shareholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2414403 - Disclosure - Shareholders' Equity Unrecognized Share-based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Supplemental Financial Statement Data link:presentationLink link:calculationLink link:definitionLink 2403409 - Disclosure - Supplemental Financial Statement Data Accumulated Other Comprehensive Income Reclassifications (Details) link:presentationLink link:calculationLink link:definitionLink 2403408 - Disclosure - Supplemental Financial Statement Data Accumulated Other Comprehensive Income Roll Forward (Details) link:presentationLink link:calculationLink link:definitionLink 2403410 - Disclosure - Supplemental Financial Statement Data Additional Information (Details Textuals) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Supplemental Financial Statement Data Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 2403404 - Disclosure - Supplemental Financial Statement Data Property, Plant and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Supplemental Financial Statement Data (Tables) link:presentationLink link:calculationLink link:definitionLink 2403407 - Disclosure - Supplemental Financial Statement Data Warranty Accrual Roll Forward (Details) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Western Digital Corporation 401(k) Plan link:presentationLink link:calculationLink link:definitionLink 2413401 - Disclosure - Western Digital Corporation 401 Plan Additional Information (Details Textuals) (Details) link:presentationLink link:calculationLink link:definitionLink