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Interest income Interest Income, Other Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Net revenues from external customers Revenue, External Customers [Member] Revenue, External Customers [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] 2047 Notes Unsecured 2047 Notes [Member] 4.5% Unsecured Notes. 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Other Other [Member] Revenues from handheld and mobile devices, as well as non-platform specific game related revenues such as standalone sales of toys and accessories products from the Skylanders franchise and other physical merchandise and accessories. 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Total liabilities and shareholders’ equity Liabilities and Equity Americas Americas [Member] Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Deferred revenues Contract with Customer, Liability, Current Stock options, weighted-average exercise price, exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Schedule of Amortization of Software Development Costs and Intellectual Property Licenses Amortization of Software Development Costs and Intellectual Property Licenses [Table Text Block] Tabular disclosure of amortization of software development costs and intellectual property licenses. 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Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Computation of Basic/Diluted Earnings Per Common Share Earnings Per Share [Text Block] Realized and unrealized gain on equity investment (Note 6) Equity Securities, FV-NI, Gain (Loss) Minimum Minimum [Member] King King King Digital Entertainment [Member] King Digital Entertainment [Member] Amount drawn on the revolver Long-term Line of Credit Schedule of Fair Value, Assets Measured on a Recurring and/or Non-Recurring Basis Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Total liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Balance, beginning Balance, ending Restructuring Reserve Trading Symbol Trading Symbol Amounts reclassified from accumulated other comprehensive income (loss) into earnings Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Denominator: Earnings Per Share, Diluted, Other Disclosures [Abstract] Deferred income taxes, net Deferred Income Tax Assets, Net UK UNITED KINGDOM Current liabilities: Liabilities, Current [Abstract] U.S. treasuries and government agency securities US Government Corporations and Agencies Securities [Member] Developed software DevelopedSoftware [Member] Developed Software acquired. General and administrative General and Administrative Expense Restructuring Plan [Domain] Restructuring Plan [Domain] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Debt Debt Disclosure [Text Block] Other costs Other Restructuring [Member] Issuance of common stock pursuant to restricted stock units Stock Issued During Period, Value, Restricted Stock Award, Gross Realized and unrealized loss (gain) on equity investment Equity Securities, FV-NI, Realized and Unrealized Gain (Loss) Equity Securities, FV-NI, Realized and Unrealized Gain (Loss) Line of Credit Line of Credit [Member] Share-Based Payments Share-based Payment Arrangement [Text Block] Console Console [Member] Represents the total of consoles which includes the Sony PS4 and PS3, the Microsoft Xbox One and Xbox 360, and the Nintendo Wii U and Wii. Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Dividends paid Cash dividend payment Payments of Ordinary Dividends, Common Stock Non-cash charge adjustment Restructuring Reserve, Settled without Cash Equity securities Equity Securities [Member] Stock options, weighted-average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Derivative, by Nature [Axis] Derivative Instrument [Axis] Number of reportable segments Number of Reportable Segments Cost of Revenue-product sales and in-game, subscription, and other: Cost of Revenue [Abstract] Common stock, $0.000001 par value, 2,400,000,000 shares authorized, 1,207,443,667 and 1,202,906,087 shares issued at September 30, 2021 and December 31, 2020, respectively Common Stock, Value, Issued Share-based compensation, unrecognized compensation weighted-average period of recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Restricted stock rights, weighted-average grant date fair value at the beginning of the period (in dollars per share) Restricted stock rights, weighted-average grant date fair value (in dollars per share) ending balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Performance Based Restricted Stock Units Performance Shares [Member] Commitments and contingencies Commitments and Contingencies Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Activision Activision Activision [Member] The Activision reportable segment of the entity. 2019 Restructuring Plan Restructuring Plan, 2019 [Member] Restructuring Plan, 2019 Restricted Stock Units (RSUs) Restricted Stock [Member] Software development costs Software Development Costs Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Effect of dilutive stock options and awards under the treasury stock method (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Goodwill [Line Items] Goodwill [Line Items] Total costs and expenses Costs and Expenses Schedule of Net Revenues from External Customers by Geographic Region Revenue from External Customers by Geographic Areas [Table Text Block] Entity Registrant Name Entity Registrant Name Treasury stock, shares (in shares) Treasury Stock, Shares PC PC [Member] The personal computer platform. Software Development and Intellectual Property Licenses Software Development Costs and Intellectual Property Licenses [Text Block] Includes disclosure of software development costs and intellectual property license costs. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables. Retail channels Retail Channels [Member] Retail Channels [Member] 2050 Notes Unsecured 2050 Notes [Member] 2.50% Unsecured Notes. Components of comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net effect from recognition (deferral) of deferred net revenues and related cost of revenues Deferral of Net Revenues and Related Cost of Sales Operating Income Impact Impact of the net effect from the deferral of net revenues and related cost of revenues in reconciling total segment operating income (loss) to consolidated operating income (loss). Dividends per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Accrued expenses and other liabilities Accrued Liabilities, Current Total net revenues Total consolidated net revenues Revenue from Contract with Customer, Excluding Assessed Tax Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Operating Assets [Abstract] Stock Option Plan Share-based Payment Arrangement, Option [Member] Equity [Abstract] Equity [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Cash payments Payments for Restructuring Common Stock Common Stock [Member] EEOC Pending Settlement EEOC Pending Settlement [Member] U.S. Equal Employment Opportunity Commission ("EEOC") Pending Settlement Operating Segments and Geographic Regions Segment Reporting Disclosure [Text Block] Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Operating income Segment operating income Operating Income (Loss) Percentage of aggregate restructuring charge Restructuring and Related Cost, Expected Cost, Percentage Estimated percentage of expected total restructuring and related cost Software development and intellectual property licenses: Software Development and Intellectual Property Licenses [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Restructuring Restructuring and Related Activities Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Additional Paid-In Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Treasury Stock Treasury Stock [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] 2027 Notes Unsecured 2027 Notes [Member] 3.4% Unsecured Notes. 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These are costs capitalized on the balance sheet until the respective games are released, at which time the capitalized costs are amortized. Also included is amortization of intangible assets recognized in purchase accounting attributable to subscription, licensing and other revenues. Unrealized gains (losses) on forward contracts designated as hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Balance Sheet Location [Axis] Balance Sheet Location [Axis] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Measurement Frequency [Domain] Measurement Frequency [Domain] City Area Code City Area Code Retained earnings Retained Earnings (Accumulated Deficit) Reportable segments Operating Segments [Member] Litigation Case [Domain] Litigation Case [Domain] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Accounts receivable, allowances Accounts Receivable Allowance A provision for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible, an estimate for product returns, and an estimate for price protection. Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag Recently Issued Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Total indefinite-lived intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill) Issuance of common stock pursuant to restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Stock options, weighted-average exercise price, forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Income tax expense Income tax expense (benefit) Income Tax Expense (Benefit) Accounts receivable, net of allowances of $36 and $83, at September 30, 2021 and December 31, 2020, respectively Accounts Receivable, after Allowance for Credit Loss, Current Asia Pacific Asia Pacific [Member] Unsecured Notes Unsecured Debt [Member] Proceeds from debt issuances, net of discounts Proceeds from Issuance of Long-term Debt Equity Components [Axis] Equity Components [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] In-game, subscription, and other revenues In-game, Subscription, and Other [Member] Sale of subscriptions via packaged software and prepaid subscription cards, royalties from third-party licensee sales of our products, sales of add-on content, micro-transactions, and other ancillary revenues. Antidilutive Securities [Axis] Antidilutive Securities [Axis] Investment Type [Axis] Investment Type [Axis] Total current assets Assets, Current Concentration Risk Type [Domain] Concentration Risk Type [Domain] Restricted stock rights, forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Amortization of capitalized software development costs and intellectual property licenses Amortization of capitalized software development costs and intellectual property licenses Amortization of capitalized software development costs and intellectual property licenses. This excludes deferral and amortization of share-based compensation expense. Schedule of Operating Segments and Reconciliations of Total Net Revenues and Total Segment Operating Income to Consolidated Net Revenues from External Customers and Consolidated Income Before Income Tax Expense Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity File Number Entity File Number 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] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Stock options, weighted-average exercise price, expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Product and Service [Axis] Product and Service [Axis] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Small Business Entity Small Business Restructuring Plan [Axis] Restructuring Plan [Axis] Interest and Other Expense (Income), Net Other Income and Other Expense Disclosure [Text Block] Carrying value of the investment Equity Securities without Readily Determinable Fair Value, Amount New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Revenues Revenue Benchmark [Member] Equity Component [Domain] Equity Component [Domain] Issuance of common stock pursuant to employee stock options Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Sales and marketing Selling and Marketing Expense Foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Digital online channels Digital Online Channels [Member] Digital Online Channels [Member] Statement [Line Items] Statement [Line Items] Litigation Case [Axis] Litigation Case [Axis] Deferred revenues Increase (Decrease) in Contract with Customer, Liability Restricted stock units with performance measures not yet met (in shares) Contingently Issuable Shares Performance Criteria Contingently issuable shares that were not included in diluted earnings per share (EPS) as the contingencies were not resolved. These shares may be issued in the future upon the satisfaction of specified performance measures. Weighted-average exercise price per stock option Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Contracted not recognized revenue Revenue, Remaining Performance Obligation, Amount Other current assets & Other assets Other Current Assets and Other Assets [Member] Other Current Assets and Other Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Significant Other Observable Inputs (Level 2) Fair Value (Level 2) Fair Value, Inputs, Level 2 [Member] Amortization: Amortization Write-offs and Impairments [Abstract] Non-reportable segments Corporate, Non-Segment [Member] Type of Restructuring [Domain] Type of Restructuring [Domain] Reportable Segments Segment Reporting [Abstract] Estimated useful lives Finite-Lived Intangible Asset, Useful Life Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Internally-developed franchises Internally Developed Franchises [Member] The cost of development of franchises by the entity. Schedule of Computation of Basic and Diluted Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Stock options, granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Entity Shell Company Entity Shell Company Local Phone Number Local Phone Number Blizzard Blizzard Blizzard [Member] The Blizzard reportable segment of the entity. Total assets Assets Software development Software Development, Noncurrent The noncurrent portion of unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility, through to the general release of the software products. Plan Name [Domain] Plan Name [Domain] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Stock options, weighted-average remaining contractual term, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Total charges expected as of September 30, 2021 Restructuring and Related Cost, Expected Cost Geographical [Domain] Geographical [Domain] Product development Research and Development Expense Product and Service [Domain] Product and Service [Domain] 2026 Notes Unsecured 2026 Notes [Member] 3.4% Unsecured Notes. Buy USD, Sell GBP Buy USD, Sell GBP [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Interest Rate Debt Instrument, Interest Rate, Stated Percentage Derivative Contract [Domain] Derivative Contract [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Credit Facility Revolving Credit Facility [Member] Contracted not recognized revenue, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Measurement Frequency [Axis] Measurement Frequency [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Litigation Status [Axis] Litigation Status [Axis] Schedule of Summary of Debt Schedule of Debt [Table Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number Geographical [Axis] Geographical [Axis] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Other segments Corporate and Other [Member] Basic (in shares) Denominator for basic earnings per common share - weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Diluted earnings per common share (in dollars per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Product sales Product [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Intangible assets, net Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Severance and employee related costs Employee Severance [Member] Cost of revenues Cost of Revenue Deferred revenues Contract with Customer, Liability Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Less: Treasury stock, at cost, 428,676,471 shares at September 30, 2021 and December 31, 2020 Treasury Stock, Value Weighted-average number of shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Deferred income taxes, net Deferred Income Tax Liabilities, Net Fair Value Measurements Fair Value Disclosures [Text Block] Restructuring and related costs Restructuring and related costs Costs charged to expense Restructuring Charges Accounts payable Accounts Payable, Current Concentration Risk Type [Axis] Concentration Risk Type [Axis] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Schedule of Restructuring and Related Costs by Segment and Expected Pre-tax Restructuring Charges Restructuring and Related Costs [Table Text Block] Net revenues Revenues [Abstract] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock option activity, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Software development and intellectual property licenses Increase (Decrease) in Software Development and Intellectual Property Licenses The increase (decrease) in software development and intellectual property licenses. Product costs Product Sales - Product Costs [Member] Product costs which includes the manufacturing cost of goods produced and sold during the reporting period. This generally includes product costs, manufacturing royalties, net of volume discounts, personnel-related costs, warehousing and distribution costs. We generally recognize volume discounts when they are earned (typically in connection with the achievement of unit-based milestones). Loss Contingencies [Line Items] Loss Contingencies [Line Items] Property and equipment, net Property, Plant and Equipment, Net Other liabilities Other Liabilities, Noncurrent Debt Instrument [Line Items] Debt Instrument [Line Items] Repayment of long-term debt Repayments of Long-term Debt Net effect from recognition (deferral) of deferred net revenues Deferral of Net Revenues and Related Cost of Sales Revenue Impact Impact of the net effect from the deferral of net revenues in reconciling total segment net revenues to consolidated net revenues. Earnings per common share Earnings Per Share [Abstract] Schedule of Net Revenues by Distribution Channels Schedule of Net Revenues by Distribution Channels [Table Text Block] Schedule of Net Revenues by Distribution Channels [Table Text Block] Other Other Distribution Channels [Member] Other Distribution Channels [Member] Document Quarterly Report Document Quarterly Report Other assets Increase (Decrease) in Other Operating Assets Activision trademark Trademarks [Member] Stock options, vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Accrued expenses and other liabilities Other Current Liabilities [Member] Proceeds from sale of available-for-sale investments Proceeds from Sale of Debt Securities, Available-for-sale Stock options, weighted-average strike price at the beginning of the period (in dollars per share) Stock options, weighted-average strike price at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Segment net revenues Segment Revenues Segment revenues represent revenues presented consistent with how our CODM reviews segment performance, which are exclusive of the impact of the change in deferred revenues and related cost of revenues with respect to certain of our online-enabled games. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Costs and expenses Costs and Expenses [Abstract] Software development Software Development, Current The current portion of unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility, through to the general release of the software products. Long-term debt, net Long-term Debt, Excluding Current Maturities Schedule of Goodwill [Table] Schedule of Goodwill [Table] Share-based compensation expense Share-based Payment Arrangement, Expense Document Fiscal Period Focus Document Fiscal Period Focus Effective tax rate (in percent) Effective Income Tax Rate Reconciliation, Percent Loss Contingency, Estimate of Possible Loss Loss Contingency, Estimate of Possible Loss Investments [Domain] Investments [Domain] Stock options, aggregate intrinsic value, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Foreign Currency Forward Contracts Schedule of Derivative Instruments [Table Text Block] Balance (in shares) Balance (in shares) Shares, Issued Software Development Costs and Intellectual Property Licenses Software Development Costs and Intellectual Property Licenses US UNITED STATES Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Current assets: Assets, Current [Abstract] Gross carrying amount Finite-Lived Intangible Assets, Gross Entity Central Index Key Entity Central Index Key Schedule of Finite-lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Security Exchange Name Security Exchange Name Accumulated other comprehensive income (loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Stock options, exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Diluted (in shares) Denominator for diluted earnings per common share—weighted-average common shares outstanding plus dilutive common shares under the treasury stock method (in shares) Weighted Average Number of Shares Outstanding, Diluted Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Recurring Fair Value, Recurring [Member] Income Taxes Income Tax Disclosure [Text Block] 2030 Notes Unsecured 2030 Notes [Member] 1.35% Unsecured Notes. Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Unrealized gain (loss) on forward contracts Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Stock options, exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Credit Facility [Axis] Credit Facility [Axis] Foreign currency forward contracts not designated as hedges Not Designated as Hedging Instrument [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Restricted stock rights, weighted-average grant date fair value, vested (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 Basis of Consolidation and Presentation Consolidation, Policy [Policy Text Block] Total current liabilities Liabilities, Current Tax payment related to net share settlements on restricted stock units Payment, Tax Withholding, Share-based Payment Arrangement Elimination of intersegment revenues Intersegment Eliminations [Member] Litigation Status [Domain] Litigation Status [Domain] Foreign currency forward contracts designated as hedges Foreign Exchange Forward [Member] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Money market funds Money Market Funds [Member] Loss Contingencies [Table] Loss Contingencies [Table] Stock options, aggregate intrinsic value, vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Proceeds from sale of equity securities Proceeds from Sale of Equity Securities, FV-NI Unamortized discount and deferred financing costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security Long-lived assets Long-Lived Assets Proceeds from issuance of common stock to employees Proceeds from Stock Plans Statement [Table] Statement [Table] Other current assets Other Assets, Current Pre-tax charge expected to be paid in cash Restructuring and Related Cost, Expected To Be Paid With Cash On Hand, Percentage Restructuring and Related Cost, Expected To Be Paid With Cash On Hand, Percentage Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Cumulative charges incurred through September 30, 2021 Total charges incurred through September 30, 2021 Restructuring and Related Cost, Cost Incurred to Date Share-based compensation, unrecognized compensation Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Statistical Measurement [Axis] Statistical Measurement [Axis] Maximum length of time over which our foreign currency forward contracts mature Derivative, Remaining Maturity Cover [Abstract] Cover [Abstract] Net carrying amount Finite-Lived Intangible Assets, Net Goodwill Goodwill Goodwill Schedule of Changes in the Carrying Amount of Goodwill by Operating Segments Schedule of Goodwill [Table Text Block] Description of Business and Basis of Consolidation and Presentation Nature of Operations [Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Software royalties, amortization, and intellectual property licenses Product Sales - Software Royalties, Amortization and Intellectual Property Licenses [Member] Software royalties, amortization, and intellectual property licenses which includes the amortization of capitalized software costs and royalties attributable to product sales revenues. These are costs capitalized on the balance sheet until the respective games are released, at which time the capitalized costs are amortized. Also included is amortization of intangible assets recognized in purchase accounting attributable to product sales revenues. Deferred income taxes Deferred Income Tax Expense (Benefit) Stock options, weighted-average remaining contractual term, vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accounting Standards Update 2016-13 [Member]