Granted, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Receivable Type [Axis] Receivable Type [Axis] Options outstanding, ending balance, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Other income, net Other Nonoperating Income (Expense) Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Related Parties and Related Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Related Party [Axis] Related Party [Axis] Treasury Stock Treasury Stock [Member] Dividends to shareholders Dividends Declared Equity impact of dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. Flash Forward Ltd Flash Forward Ltd [Member] Flash Forward Ltd. Pensions and Other Post-Retirement Benefit Plans Retirement Benefits [Text Block] Vested, grant date fair value, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Form Factor [Domain] Form Factor [Domain] [Domain] for Form Factor [Axis] Foreign exchange contracts Derivative Asset Employee stock plans Stock Issued During Period, Value, Employee Stock Purchase Plan, Net Of Tax Withholdings Stock Issued During Period, Value, Employee Stock Purchase Plan, Net Of Tax Withholdings Statistical Measurement [Domain] Statistical Measurement [Domain] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Security Exchange Name Security Exchange Name Other intangible assets, net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Fair value of plan assets at end of period Defined Benefit Plan, Plan Assets, Amount Current portion (included in Accrued expenses) Standard Product Warranty Accrual, Current Operating income (loss) Operating Income (Loss) Postemployment Benefits [Abstract] Postemployment Benefits [Abstract] Total current liabilities Liabilities, Current Outstanding, beginning balance, grant date fair value, in dollars per share Outstanding, ending balance, grant date fair value, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Commitments and contingencies (Notes 9, 10, 12 and 15) Commitments and Contingencies 4.75% senior unsecured notes due 2026 Four Point Seventy Five Percent Senior Unsecured Notes Due Two Thousand Twenty Six [Member] Four Point Seventy Five Percent Senior Unsecured Notes Due Two Thousand Twenty Six [Member] ASSETS Assets: Assets [Abstract] Investment, Name [Axis] Investment, Name [Axis] Furniture and fixtures Furniture and Fixtures [Member] Entity Address, State or Province Entity Address, State or Province Vested, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Cash paid for operating leases Operating Lease, Payments Accounts payable Accounts Payable, Current Foreign currency translation adjustment Goodwill, Foreign Currency Translation Gain (Loss) Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Operating lease right-of-use assets (included in Other non-current assets) Operating Lease, Right-of-Use Asset Product Concentration Risk Product Concentration Risk [Member] 2022 Lessee, Operating Lease, Liability, to be Paid, Year One Options outstanding, beginning balance, shares Options outstanding, ending balance, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2025 Lessee, Operating Lease, Liability, to be Paid, Year Four Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Unamortized Compensation Costs Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Legal Proceedings Legal Matters and Contingencies [Text Block] Other non-current liabilities Other Miscellaneous Liabilities, Noncurrent Other Miscellaneous Liabilities, Noncurrent Customer [Axis] Customer [Axis] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Operating lease guarantees Total guarantee obligations Total guarantee obligations Guarantor Obligations, Maximum Exposure, Undiscounted Preferred stock, $0.01 par value; authorized — 5 shares; issued and outstanding — none Preferred Stock, Value, Issued Investments in Flash Ventures Payments to Acquire Equity Method Investments Total operating expenses Operating Expenses Other comprehensive income (loss), before tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Exercisable, period end, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Raw materials and component parts Inventory, Raw Materials and Supplies, Net of Reserves Common stock, par value (USD per share) Common Stock, Par or Stated Value Per Share Common stock, $0.01 par value; authorized — 450 shares; issued — 312 shares; outstanding — 304 shares and 302 shares, respectively Common Stock Values Dollar value of issued common stock whether issued at par value, no par or stated value. Note: elements for number of common shares, par value and other disclosure concepts are in another section within stockholders' equity. Schedule of Other Liabilities Other Noncurrent Liabilities [Table Text Block] Other liabilities Total other liabilities Other Liabilities, Noncurrent Canceled or expired, exercise price, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Changes in estimate related to pre-existing warranties Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Strategic investments and other, net Payments for (Proceeds from) Other Investing Activities Western Digital Corp Western Digital Corp [Member] Owner of record with less than 50% voting interest of the entity. Other liabilities: Other Liabilities [Abstract] Work-in-process Inventory, Work in Process, Net of Reserves Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Canceled or expired, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Inventories Total inventories Inventory, Net Revenue, net Revenue from Contract with Customer, Excluding Assessed Tax Measurement Frequency [Domain] Measurement Frequency [Domain] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Concentration risk, percentage Concentration Risk, Percentage Geographical [Domain] Geographical [Domain] Statement [Line Items] Statement [Line Items] Tax Period [Axis] Tax Period [Axis] Proceeds from the sale of property, plant and equipment Proceeds from Sale of Machinery and Equipment Statement [Table] Statement [Table] Type of Restructuring [Domain] Type of Restructuring [Domain] Statistical Measurement [Axis] Statistical Measurement [Axis] Preferred stock shares issued Preferred Stock, Shares Issued Flash Ventures Flash Ventures [Member] Flash Ventures [Member] Loss per common share, basic and diluted (USD per share) Earnings Per Share, Basic and Diluted Entity Small Business Entity Small Business Employee Termination, Asset Impairment and Other Charges Employee Termination Benefits And Other Charges Disclosure [Text Block] Employee Termination Benefits and Other Charges Disclosure [Text Block] Equity investments Equity Method Investments [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Exercisable, period end, weighted average remaining contractual life Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Client Devices Client Devices [Member] Client Devices [Member] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Selling, general and administrative Selling, General and Administrative Expenses [Member] Schedule of Commitments, Contingencies and Guarantees [Table] Schedule of Commitments, Contingencies and Guarantees [Table] Schedule of Commitments, Contingencies and Guarantees [Table] Goodwill [Roll Forward] Goodwill [Roll Forward] Amendment Flag Amendment Flag Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Federal tax related to adjustments for transfer pricing Income Tax Examination, Estimate of Possible Loss Resulting From Transfer Pricing Adjustments Income Tax Examination, Estimate of Possible Loss Resulting From Transfer Pricing Adjustments Disclosure of Share-based Compensation Arrangements by Share-based Payment Award Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Charges Restructuring and Related Cost, Incurred Cost Penalties and interest accrued on unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Closure of Foreign Manufacturing Facilities Foreign Manufacturing Facilities Closure of Foreign Manufacturing Facilities [Member] Closure of Foreign Manufacturing Facilities [Member] Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program [Member] Fair Value Measurements and Investments Fair Value Measurement, Policy [Policy Text Block] Supplemental Financial Statement Data Supplemental Balance Sheet Disclosures [Text Block] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Related Party [Domain] Related Party [Domain] Measurement Frequency [Axis] Measurement Frequency [Axis] Unrealized Gains (Losses) on Derivative Contracts Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] VIE, reporting entity involvement, maximum loss exposure, amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount 2025 Purchase Obligation, to be Paid, Year Four Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Net amount recognized Liability, Defined Benefit Plan Geographical [Axis] Geographical [Axis] 0.50% convertible senior notes due 2020 Convertible Senior Notes Due Two Thousand Twenty Member [Member] 0.5% Sr. Convertible Notes due 2020 [Member] Non-current net tax payable Accrued Income Taxes, Noncurrent Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Restricted Stock Unit Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Income Statement Location [Axis] Income Statement Location [Axis] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Long-term portion (included in Other liabilities) Standard Product Warranty Accrual, Noncurrent 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Actuarial pension gain Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Selling, general and administrative Selling, General and Administrative Expense Foreign exchange contracts Foreign Exchange Contract [Member] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three Other non-current assets Other Assets, Noncurrent Cash equivalents - Money market funds Cash and Cash Equivalents, Fair Value Disclosure Concentration Risk [Table] Concentration Risk [Table] Total assets Assets Revenue from Contract with Customer Revenue from Contract with Customer Benchmark [Member] Employee termination, asset impairment, and other charges Employee termination, asset impairment and other charges Employee termination, asset impairment and other charges incurred. Outstanding, beginning balance, shares Outstanding, ending balance, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Potential payables related to unrecognized tax benefits Unrecognized Tax Benefits Payable Unrecognized Tax Benefits Payable Cost of revenue Cost of Sales [Member] Interest expense Interest Expense Long-term Purchase Agreements Contractual Obligation, Fiscal Year Maturity [Table Text Block] Product and Service [Axis] Product and Service [Axis] Total liabilities Liabilities Supplemental Financial Information [Table] Supplemental Financial Information [Table] Supplemental Financial Information [Table] Payables related to unrecognized tax benefits Liability for Uncertainty in Income Taxes, Noncurrent Penalties asserted Income Tax Examination, Penalties Asserted Income Tax Examination, Penalties Asserted Weighted Average Service Period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Notes receivable and investments in Flash Ventures Total notes receivable and investments in Flash Ventures Notes Receivable And Investments In Related Parties The total amount of investments in joint ventures that are intended to be held for an extended period of time (longer than one operating cycle) and loans due from and receivables due from the joint ventures. Less: Imputed Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Issuance of stock under employee stock plans Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised Level 1 Fair Value, Inputs, Level 1 [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Inventories Increase (Decrease) in Inventories Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Other assets and liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Debt Instrument [Axis] Debt Instrument [Axis] Additional Paid-In Capital Additional Paid-in Capital [Member] Inventory and prepayments Inventory, Gross Other non-cash operating activities, net Other Operating Activities, Cash Flow Statement 2023 Purchase Obligation, to be Paid, Year Two Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Accrued expenses Increase (Decrease) in Accrued Liabilities Asset Class [Axis] Asset Class [Axis] Derivative liability Derivative Liability Beginning balance (in shares) Ending balance (in shares) Shares, Issued Adjustments to reconcile net loss to net cash provided by operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Machinery and equipment Machinery and Equipment [Member] Common stock shares outstanding Common Stock, Shares, Outstanding Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Operating lease guarantees Off Balance Sheet Guarantee [Member] Off Balance Sheet Guarantee [Member] Actuarial Pension Gains (Losses) Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Options outstanding, beginning balance, exercise price, in dollars per share Options outstanding, ending balance, exercise price, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock shares authorized Common Stock, Shares Authorized Concentration Risk Type [Axis] Concentration Risk Type [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Restructuring Plan [Domain] Restructuring Plan [Domain] Warranty accrual, beginning of period Warranty accrual, end of period Total warranty accrual Standard Product Warranty Accrual Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Unissoft (Wuxi) Group Co Ltd. Unissoft (Wuxi) Group Co Ltd. [Member] Unissoft (Wuxi) Group Co Ltd. [Member] Unfunded status Defined Benefit Plan, Funded (Unfunded) Status of Plan Europe, Middle East and Africa Europe Middle East And Africa [Member] Europe Middle East And Africa [Member] Accrued compensation Increase (Decrease) in Employee Related Liabilities Fair Value Estimate of Fair Value Measurement [Member] Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Long-term operating lease liabilities (included in Other liabilities) Operating Lease, Liability, Noncurrent Charges to operations Standard Product Warranty Accrual, Increase for Warranties Issued ESPP ESPP Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Actuarial pension gain Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Taxes paid on vested stock awards under employee stock plans Taxes Paid On Vested Stock Awards Under Employee Stock Plans Taxes paid on vested stock awards under employee stock plans. Net unrealized gain (loss) on derivative contracts and available-for-sale securities Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments And Tax Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments And Tax Schedule of Guarantor Obligations Schedule of Guarantor Obligations [Table Text Block] Issuance costs and debt discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Use of Estimates Use of Estimates, Policy [Policy Text Block] Current assets: Assets, Current [Abstract] Interest income Investment Income, Interest Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items] Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items] [Line Items] for Schedule of employee share-based awards, unrecognized compensation in tabular format. Stock repurchase program, remaining authorized repurchase, amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Partner's ownership in venture business Partner's Ownership In Venture Business Partner's Ownership In Venture Business Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounts payable Increase (Decrease) in Accounts Payable, Trade Preferred stock, par value (USD per share) Preferred Stock, Par or Stated Value Per Share Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Costs associated with underutilized capacity as a result of unexpected power outage incident Loss On Business Interruption Loss On Business Interruption Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Loss per common share Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Variable interest rate Term Loan A-1 maturing 2023 Term Loan A-1 [Member] Term Loan A-1 [Member] Legal Entity [Axis] Legal Entity [Axis] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Document Period End Date Document Period End Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Stock repurchase program, number of shares authorized to be repurchased Stock Repurchase Program, Authorized Amount Prepayments of Future Depreciation Prepayments Of Future Depreciation [Member] Prepayments Of Future Depreciation [Member] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Loss before taxes Income (loss) before taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Thereafter Guarantee Obligations Maximum Exposure Thereafter Guarantee Obligations Maximum Exposure Thereafter Schedule of Guarantor Obligations [Table] Schedule of Guarantor Obligations [Table] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Product Warranties Disclosures [Abstract] Product Warranties Disclosures [Abstract] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Entity [Domain] Entity [Domain] Top Ten Customers Top Ten Customers [Member] Top Ten Customers [Member] Cover page. Cover [Abstract] Related Costs And Fair Values Based On Quoted Market Prices Related Costs And Fair Values Based On Quoted Market Prices [Table Text Block] Comparison and disclosure of financial instruments where the carrying value in the financial statements differs from the fair value. Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four Goodwill Disclosure [Abstract] Goodwill Disclosure [Abstract] Goodwill Disclosure [Abstract] Flash Ventures Equity Method Investee [Member] Property, plant and equipment: Property, Plant and Equipment, Net [Abstract] Net carrying value Long-term Debt Leases and Other Commitments Lessee, Operating Leases [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Investments Investments Tax Years 2010 Through 2012 Tax Years 2010 Through 2012 [Member] Tax Years 2010 Through 2012 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cost of revenue Cost of Goods and Services Sold Equity Components [Axis] Equity Components [Axis] Finished goods Inventory, Finished Goods, Net of Reserves Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Land Land [Member] Less: Current portion (included in Accrued expenses) Operating Lease, Liability, Current Supplemental Balance Sheet Disclosures Lessee, Operating Leases, Supplemental Balance Sheet Disclosures [Table Text Block] Lessee, Operating Leases, Supplemental Balance Sheet Disclosures [Table Text Block] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Flash Alliance Ltd Flash Alliance Ltd [Member] Flash Alliance Ltd. Unfunded Amounts Recognized on Consolidated Balance Sheets Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Entity Interactive Data Current Entity Interactive Data Current Exercised, exercise price, in dollars per share Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Stock Repurchase Program Effective Until July 25, 2023 Stock Repurchase Program Effective Until July 25 2023 [Member] Stock Repurchase Program Effective Until July 25 2023 [Member] Fair Value Measurements and Investments Fair Value Disclosures [Text Block] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Data Center Devices & Solutions Data Center Devices & Solutions [Member] Data Center Devices & Solutions [Member] Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Total Purchase Obligation Accounts Receivable Accounts Receivable [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest rate swap contracts Interest Rate Swap [Member] Customer [Domain] Customer [Domain] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Fiscal Year Fiscal Period, Policy [Policy Text Block] Entity Registrant Name Entity Registrant Name 2024 Purchase Obligation, to be Paid, Year Three Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Remaining nine months of 2021 Guarantee Obligations Maximum Exposure Remainder Of Fiscal Year Guarantee Obligations Maximum Exposure Remainder Of Fiscal Year Concentration Risk [Line Items] Concentration Risk [Line Items] 2022 Guarantee Obligations Maximum Exposure Year One Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the first fiscal year following the latest fiscal year. Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Contract Termination and Other Contract Termination [Member] Remaining committed prepayments Other Commitment, Remaining Committed Prepayments Other Commitment, Remaining Committed Prepayments Research and development Research and Development Expense [Member] Remaining nine months of 2021 Purchase Obligation, to be Paid, Remainder of Fiscal Year Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Equity Method Investor, Name [Axis] Equity Method Investor, Name [Axis] Equity Method Investor, Name [Axis] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Accrual balance at July 3, 2020 Accrual balance at October 2, 2020 Restructuring Reserve Employee Termination Benefits One-time Termination Benefits [Member] Balance Sheet Information [Axis] Balance Sheet Information [Axis] Balance Sheet Information [Axis] Notes receivable issuances to Flash Ventures Payments For Long Term Loans For Related Parties The cash outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Other commitment, period Other Commitment, Period Other Commitment, Period Entity Address, Postal Zip Code Entity Address, Postal Zip Code 2023 Guarantee Obligations Maximum Exposure Year Two Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the second fiscal year following the latest fiscal year. Weighted average shares outstanding, basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Partial insurance recovery of business interruption Gain on Business Interruption Insurance Recovery Restructuring Type [Axis] Restructuring Type [Axis] Tax Year 2008 Through 2009 Tax Year 2008 Through 2009 [Member] Tax Year 2008 Through 2009 [Member] Cash payments Cash payments Payments for Restructuring Goodwill Goodwill balance, beginning of period Goodwill balance, end of period Goodwill Net current-period other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Document Transition Report Document Transition Report Employee Service Share-based Compensation, Unrecognized Service Costs [Table] Employee Service Share-based Compensation, Unrecognized Service Costs [Table] Schedule of employee share-based awards, unrecognized compensation in tabular format. Total employee termination, asset impairment, and other charges Restructuring Costs and Asset Impairment Charges Interest and other income (expense): Nonoperating Income (Expense) [Abstract] Cash dividends declared per share (in USD per share) Common Stock, Dividends, Per Share, Declared Level 2 Fair Value, Inputs, Level 2 [Member] Buildings and improvements Building and Building Improvements [Member] Other current assets Other Assets, Current Document Quarterly Report Document Quarterly Report Schedule of Goodwill Schedule of Goodwill [Table Text Block] Asset Class [Domain] Asset Class [Domain] Total assets at fair value Assets, Fair Value Disclosure Net unrealized loss on derivative contracts Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments, Net of Tax Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments, Net of Tax Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Aggregate value of restricted stock awards vested Aggregate Value Of Restricted Stock Awards Vested Aggregate Value Of Restricted Stock Awards Vested Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Unis Venture Unis Venture [Member] Unis Venture [Member] Customer Concentration Risk Customer Concentration Risk [Member] Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Payment of Principal Amortization Payment of Principal Amortization [Member] Payment of principal amortization. Hard disk drives (“HDD”) HDD [Member] HDD [Member] Number of operating segments Number of Operating Segments Entity File Number Entity File Number Forfeited, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Non-current liabilities Liability, Defined Benefit Plan, Noncurrent Debt Disclosure [Abstract] Debt Disclosure [Abstract] Weighted average remaining lease term in years Operating Lease, Weighted Average Remaining Lease Term Restructuring Plan [Axis] Restructuring Plan [Axis] Amortization of debt discounts Amortization of Debt Issuance Costs and Discounts Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Repayment of debt Repayment of debt Repayments of Long-term Debt Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Expenses on stock-based compensation Share-based Payment Arrangement, Expense Unrecognized tax benefits Unrecognized Tax Benefits Intangible Assets and Goodwill [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Income tax benefit (expense) related to items of other comprehensive income (loss), before tax Income tax benefit (expense) related to items of other comprehensive loss Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Non-current assets: Assets, Noncurrent [Abstract] Exercisable, period end, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Tax benefit Share-based Payment Arrangement, Expense, Tax Benefit Factored Receivables Factored Receivables [Member] Factored Receivables [Member] Current portion of long-term debt Less current portion of long-term debt Long-term Debt, Current Maturities Benefit obligation at end of period Defined Benefit Plan, Benefit Obligation Entity Current Reporting Status Entity Current Reporting Status Retirement Benefits [Abstract] Retirement Benefits [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Unrealized loss expected to be reclassified into earnings Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months Receivable [Domain] Receivable [Domain] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Inventories: Inventory, Net [Abstract] Form Factor [Axis] Form Factor [Axis] Form Factor [Axis] Granted, grant date fair value, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock shares issued Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted Stock Units And Performance Share Units Restricted Stock Units And Performance Share Units [Member] Restricted Stock Units And Performance Share Units [Member] Present value of lease liabilities Operating Lease, Liability Long-term debt Long-term Debt, Excluding Current Maturities Share Repurchase Program [Axis] Share Repurchase Program [Axis] Asia Asia [Member] Accounts receivable, net Increase (Decrease) in Accounts Receivable Employee Service Share-based Compensation , Unrecognized Costs Employee Service Share-based Compensation , Unrecognized Costs [Table Text Block] Employee Service Share-based Compensation , Unrecognized Costs [Table Text Block] Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total shareholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Flash-based Flash-based [Member] Flash-based [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Notes receivable proceeds from Flash Ventures Proceeds From Long Term Loans For Related Parties The cash inflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Total liabilities and shareholders’ equity Liabilities and Equity Loss Contingencies [Line Items] Loss Contingencies [Line Items] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Income Tax Expense Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Accrued compensation Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] RSUs and PSUs RSUs and PSUs Restricted Stock Units (RSUs) [Member] One Customer Customer A [Member] Customer A Cost of operating leases Operating Lease, Cost Outstanding factored receivables Financing Receivable, after Allowance for Credit Loss Anti-dilutive potential common shares excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Loss on disposal of assets Gain (Loss) on Disposition of Property Plant Equipment Accumulated Other Comprehensive Income Rollforward [Abstract] Accumulated Other Comprehensive Income Rollforward [Abstract] Accumulated Other Comprehensive Income Rollforward [Abstract] Equity Component [Domain] Equity Component [Domain] Additional tax expense from re-measurement of deferred tax liabilities Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability Dividends paid to shareholders Payments of Dividends Liabilities: Liabilities [Abstract] Gross profit Gross Profit Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Construction-in-process Construction in Progress [Member] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Entity Tax Identification Number Entity Tax Identification Number Net loss Net loss Net Income (Loss) Attributable to Parent Employee stock plans (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans, Net Of Tax Withholdings Stock Issued During Period, Shares, Employee Stock Purchase Plans, Net Of Tax Withholdings Changes in: Increase (Decrease) in Operating Capital [Abstract] Remaining nine months of 2021 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Investment, Name [Domain] Investment, Name [Domain] 2025 Guarantee Obligations Maximum Exposure Year Four Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fourth fiscal year following the latest fiscal year. Leases [Abstract] Leases [Abstract] Accounts payable to related parties Accounts Payable, Related Parties, Current Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Operating expenses: Operating Expenses [Abstract] Loss per common share Earnings Per Share [Abstract] Restructuring charges Restructuring Charges Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Investment funding commitments Investment Funding Commitments Percent of commitment by the Company to fund a venture's investment in situations where the venture's sales are insufficient to cover the investments. Net tax deficiencies Effective Income Tax Reconciliation, Discrete Tax Effects, Net Tax Deficiencies Effective Income Tax Reconciliation, Discrete Tax Effects, Net Tax Deficiencies Amounts reclassified from accumulated other comprehensive loss Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Variable interest rate Term Loan B-4 maturing 2023 U.S. Term Loan B-4 [Member] U.S. Term Loan B-4 [Member] Notes receivable Notes Receivable [Member] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Entity Filer Category Entity Filer Category Common Stock Common Stock [Member] Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Federal tax, subject to interest Income Tax Examination, Estimate of Possible Loss Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] 2024 Guarantee Obligations Maximum Exposure Year Three Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the third fiscal year following the latest fiscal year. Notes receivable, related parties Notes Receivable, Related Parties Convertible Debt Convertible Debt [Member] Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Finite-lived intangible assets Finite-Lived Intangible Assets, Gross Debt instrument, interest rate (percentage) Debt Instrument, Interest Rate, Stated Percentage Cash equivalents - Money market funds Money Market Funds [Member] Revenue, remaining performance obligation period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Proceeds on sale of trade accounts receivable Proceeds from Sale and Collection of Receivables Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Exercised, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Related Party Transactions [Abstract] Related Party Transactions [Abstract] Supplemental Financial Information [Line Items] Supplemental Financial Information [Line Items] Supplemental Financial Information [Line Items] Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total interest and other expense, net Nonoperating Income (Expense) Flash Partners Ltd Flash Partners Ltd [Member] Flash Partners Ltd. Options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Variable Interest Entity Maximum Loss Exposure Variable Interest Entity Maximum Loss Exposure [Table Text Block] Enterprise's maximum exposure to loss as a result of its involvement with the VIE, including how the maximum exposure is determined, the significant sources of the enterprise's exposure to the VIE, and the differences between the maximum exposure to loss and the liability recognized in its financial statements. It may also include factors such as the fair market value at which the registrant is carrying an asset and registrant guarantees. Also, whether the enterprise's maximum exposure to loss as a result of its involvement with the VIE cannot be quantified. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company. Treasury stock shares Treasury Stock, Shares Client Solutions Client Solutions [Member] Client Solutions [Member] Loss Contingencies [Table] Loss Contingencies [Table] Carrying Value Reported Value Measurement [Member] Expected long-term rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Purchase Option Exercise Price at Final Lease Terms Purchase Option Exercise Price [Member] Purchase Option Exercise Price at Final Lease Terms. Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Revenues Revenue from Contract with Customer [Text Block] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Tax Period [Domain] Tax Period [Domain] Forfeited, grant date fair value, in dollars per share Share Based Compensation Arrangement By Share Based Payment Awards Equity Instruments Other Than Options Forfeited In Period Weighted Average Grant Date Fair Value Share based compensation arrangement by share based payment awards equity instruments other than options forfeited in period weighted average grant date fair value. Operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Equity Method Investor, Name [Domain] Equity Method Investor, Name [Domain] Equity Method Investor, Name [Domain] Additional paid-in capital Additional Paid in Capital Shareholders' Equity Shareholders' Equity and Share-based Payments [Text Block] Long-term debt Long-term Debt, Fair Value Income tax expense Income tax expense Income Tax Expense (Benefit) Cash paid for income taxes Income Taxes Paid, Net Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Total liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Accrued expenses Accrued Liabilities, Current Local Phone Number Local Phone Number Accounts payable to related parties Increase (Decrease) in Accounts Payable, Related Parties Business Realignment Business Realignment Activities [Member] Charges to periodically realign the company's operations with anticipated market demand. Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Remaining Guarantee Obligations Remaining Guarantee Obligations [Table Text Block] Represents the guarantor's disclosures which should include the information about each guarantee, or each group of similar guarantees, even if the likelihood of the guarantor's having to make any payments under the guarantee is remote. This excludes disclosures for product warranties. Americas Americas [Member] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Guarantees [Abstract] Guarantees [Abstract] Exercised, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Schedule of Debt Schedule of Debt [Table Text Block] Tax Years 2013 Through 2015 Tax Years 2013 Through 2015 [Member] Tax Years 2013 Through 2015 Debt Long-term Debt, Gross 1.50% convertible notes due 2024 One Point Fifty Percent Senior Convertible Notes Due Two Thousand Twenty Four [Member] One Point Fifty Percent Senior Convertible Notes Due Two Thousand Twenty Four [Member] Additional tax Income Tax Examination, Additional Tax Income Tax Examination, Additional Tax Entity Address, Address Line One Entity Address, Address Line One Thereafter Purchase Obligation, To Be Paid, After Year Four Purchase Obligation, To Be Paid, After Year Four Related Party Transaction [Domain] Related Party Transaction [Domain] Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] In-process research and development Indefinite-lived Intangible Assets (Excluding Goodwill) Total Share-based Payment Arrangement, Expense, after Tax Deferred income taxes Deferred Income Tax Expense (Benefit) Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Award Type [Axis] Award Type [Axis] Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Inventory and prepayments Prepaid Expenses and Other Current Assets [Member] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Computer equipment and software Computer Equipment and Software [Member] Capitalized computer equipment and software purchases. Maximum Maximum [Member] Preferred stock shares authorized Preferred Stock, Shares Authorized 2022 Purchase Obligation, to be Paid, Year One Retained Earnings Retained Earnings [Member] Preferred stock shares outstanding Preferred Stock, Shares Outstanding Measurement Basis [Axis] Measurement Basis [Axis] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Supplemental Cash Flow Disclosures Lessee, Operating Leases, Supplemental Cash Flow Disclosures [Table Text Block] Lessee, Operating Leases, Supplemental Disclosures [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Options outstanding, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Obligations and Funded Status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Award Type [Domain] Award Type [Domain] Current liabilities Liability, Defined Benefit Plan, Current Non-current liabilities: Liabilities, Noncurrent [Abstract] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Trading Symbol Trading Symbol Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Exercisable, period end, exercise price, in dollars per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Notes Receivable and Investments in Related Parties Notes Receivable and Investments in Related Parties [Table Text Block] Disclosure of investments in and notes receivable from a joint venture accounted for under the equity-method. Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Other comprehensive loss before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Other commitment Other Commitment Utilization Standard Product Warranty Accrual, Decrease for Payments Treasury stock — common shares at cost; 8 shares and 10 shares, respectively Treasury Stock, Value Net Loss Per Common Share Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Research and development Research and Development Expense (Excluding Acquired in Process Cost) Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Segment Information Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]