Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue Recognition Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Schedule of Information and Reconciliation by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Net Revenues by International Region Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Net revenues by product category Revenue from External Customers by Products and Services [Table Text Block] Schedule of Geographic Information Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Income Tax Disclosure [Abstract] Statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State and local income taxes, net Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Tax on international earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Change in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Settlement, Percent Share-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent Tax Cuts and Jobs Act of 2017 Effective income tax rate period increase (decrease). Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to the Tax Cuts and Jobs Act of 2017. Research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Non-deductible goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Gains on integrated hedging instruments Effective Income Tax Reconciliation, Gains on Hedging Instruments, Percent Effective Income Tax Reconciliation, Gains on Hedging Instruments, Percent Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective income tax rate, continuing operations Effective Income Tax Rate Reconciliation, Percent Commitments and Contingencies Disclosure [Abstract] Other Commitments [Table] Other Commitments [Table] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Royalties Royalties [Member] Tax sharing agreement Tax Sharing Agreement [Member] Cartamundi manufacturing agreement Cartamundi Manufacturing Agreement [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Other assets Other Assets [Member] Other Commitments [Line Items] Other Commitments [Line Items] Unused open letters of credit and related instruments Unused Open Letters Of Credit And Related Instruments Unused open letters of credit and related instruments as of the balance sheet date. 2020 Purchase Obligation, Due in Next Twelve Months 2021 Purchase Obligation, Due in Second Year 2022 Purchase Obligation, Due in Third Year 2023 Purchase Obligation, Due in Fourth Year 2024 Purchase Obligation, Due in Fifth Year Thereafter Royalties Contingency Due After Fifth Year The aggregate amount of royalty payments due after the fifth year after the balance sheet date that are contingent upon another party meeting their contractual commitment. Prepaid royalties Prepaid Royalties Estimated payments Tax Sharing Agreements With Joint Ventures Future Payments Future payments under a tax sharing agreement to a another party who the Company shares joint control of another entity with. Range of tax sharing payments each year, minimum Tax Sharing Agreements Payments Range Minimum The minimum amount as part of a range of payments that will be made under a tax sharing agreement. Range of tax sharing payments each year, maximum Tax Sharing Agreements Payments Range Maximum The maximum amount as part of a range of payments that will be made under a tax sharing agreement. Aggregate payment for all years occurring thereafter Tax Sharing Agreements Aggregate Payment Outstanding After Range of Payments The aggregate payments to be made under a tax sharing agreement subsequent to 2021. Purchase commitments Purchase Commitment, Remaining Minimum Amount Committed Retirement Benefits [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Quoted Prices in Active Markets For Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Equity - Other measured at net asset value Equity - Other [Member] Represents other types of equity investments. Equity - Large cap Equity - Large Cap [Member] Represents investments in companies with a market capitalization value of more than $10 billion. Equity - Small Cap Equity - Small Cap [Member] Represents investments in domestic companies with a market capitalization between $300 million and $2 billion. International measured at net asset value Equity - International [Member] International equity represents an ownership interest in the international company. Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Fair value measurements Defined Benefit Plan Fair Value Of Plan Assets By Asset Class Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Pension Plan [Member] Postretirement Postemployment Retirement Benefits [Member] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan Domestic Plan [Member] United States UNITED STATES Change in Projected Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Projected benefit obligation — beginning Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Amendment Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Expenses paid Defined Benefit Plan Expenses Paid The amount of payments made for other expenses incurred related to defined benefit plans This item represents a periodic decrease to the plan obligations and a decrease to plan assets. Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Settlements paid Defined Benefit Plan, Benefit Obligation, Payment for Settlement Projected benefit obligation — ending Accumulated benefit obligation — ending Defined Benefit Plan, Accumulated Benefit Obligation Change in Plan Assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value of plan assets — beginning Defined Benefit Plan, Plan Assets, Amount Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Employer contribution Defined Benefit Plan, Plan Assets, Contributions by Employer Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Expenses paid Settlement of U.S. defined benefit plan Defined Benefit Plan, Plan Assets, Payment for Settlement Transfers Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Fair value of plan assets — ending Reconciliation of Funded Status Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Projected benefit obligation Fair value of plan assets Funded status Defined Benefit Plan, Funded (Unfunded) Status of Plan Unrecognized net loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Net amount Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Accrued liabilities Liability, Defined Benefit Plan, Current Other liabilities Liability, Defined Benefit Plan, Noncurrent Accumulated other comprehensive (earnings) loss Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Net amount Quarterly Financial Information Disclosure [Abstract] Net revenues Revenues Operating profit(a) Operating Income (Loss) Earnings before income taxes Income Loss From Continuing Operations Before Income Taxes Sum of operating profit and non-operating income or expense before income taxes and extraordinary items. Net earnings attributable to Hasbro, Inc. Net Income (Loss) Attributable to Parent Per common share Per common share [Abstract] Net earnings (loss) Earnings Per Share [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Market price Market price [Abstract] High (in dollars per share) Common Stock Market Price Per Share High The highest point of market value per share of common stock during the period. Low (in dollars per share) Common Stock Market Price Per Share Low The lowest price of market value per share of common stock during the period. Cash dividends declared Common Stock, Dividends, Per Share, Declared Other Industries [Abstract] Schedule of Program Production Costs Schedule of Program Production Costs [Table Text Block] Tabular disclosure of information regarding the components of program production costs. Property, Plant and Equipment [Abstract] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair value, recurring Fair Value, Recurring [Member] 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] Assets: Assets, Fair Value Disclosure [Abstract] Available-for-sale securities Debt Securities, Available-for-sale Derivatives Derivative Asset Total assets Assets, Fair Value Disclosure Liabilities: Liabilities, Fair Value Disclosure [Abstract] Derivatives Derivative Liability Option agreement Option Agreement Fair market value of joint venture option agreement included in other liabilities. Total liabilities Financial Liabilities Fair Value Disclosure Fair Value Hierarchy Fair Value, Assets Measured on Recurring Basis [Table Text Block] Reconciliation of Level 3 Fair Value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Summary of Cash Flow Hedging Instruments Schedule of Derivative Instruments [Table Text Block] Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Derivative Instruments, Gain (Loss) in Statement of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Fair Values of Undesignated Derivative Financial Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Share-based Payment Arrangement [Abstract] Stock Options, Other Stock Awards and Warrants Share-based Payment Arrangement [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] eOne Acquisition eOne Acquisition [Member] eOne Acquisition [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] eOne common shares outstanding Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Cash consideration per share Business Acquisition, Share Price Total cash consideration Payments to Acquire Businesses, Gross Less: Employee awards to be recorded as future stock compensation expense Business Combination, Employee Awards To Be Recorded As Future Stock Compensation Expense Business Combination, Employee Awards To Be Recorded As Future Stock Compensation Expense Total purchase price to be allocated Business Combination, Consideration Transferred Cash consideration for employee share based payment awards outstanding Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Payments to Acquire Businesses, Gross, Employee Share Based Payment Awards Outstanding Payments to Acquire Businesses, Gross, Employee Share Based Payment Awards Outstanding Payments to Acquire Businesses, Gross, Employee Share Based Payment Awards Outstanding Distributions on mandatorily redeemable securities Payments to Acquire Businesses, Gross, Extinguishment Of Debt Payments to Acquire Businesses, Gross, Extinguishment Of Debt Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Title of Individual [Domain] Chief executive officer Chief Executive Officer [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Stock performance awards Stock Performance Awards [Member] A stock incentive plan which provides the recipients with the ability to earn shares of the Company's common stock based on the Company's achievement of stated earnings target over a certain future period. Restricted stock units (RSUs) Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares prescribed by employment agreement (in shares) Total Shares Prescribed by Employment Agreement The total number of shares awarded to employee by employment agreement that are to be granted across more than one grant date. Outstanding at beginning of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancelled in Period The number of equity-based payment instruments, excluding stock (or unit) options, that were cancelled during the reporting period. Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding at end of year (in shares) Weighted average grant-date fair value: Weighted average grant-date fair value [Abstract] Granted (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 Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Canceled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancelled in Period, Weighted Average Grant Date Fair Value The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event, namely an issuance at target percentage of less than 100%, specified in the contractual agreement of the plan. 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 Outstanding at end of year (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 Leases [Abstract] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Remaining lease terms Lessee, Operating Lease, Term of Contract Rent expense Operating Leases, Rent Expense, Net Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangibles Goodwill and Intangible Assets Disclosure [Text Block] Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Term Loan Agreement Term Loan Agreement [Member] Term Loan Agreement [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured Debt Unsecured Debt [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Common stock, shares issued (in shares) Stock Issued During Period, Shares, New Issues Sale of stock (in dollars per share) Sale of Stock, Price Per Share Debt instrument, face amount Debt Instrument, Face Amount Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Number of shares repurchased (in shares) Stock Repurchase Program Number of Shares Repurchased Number of shares repurchased during the fiscal period under the cumulative stock repurchase programs authorized by the company's Board of Directors. Treasury stock acquired, average cost per share (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Purchases of common stock Treasury Stock, Value, Acquired, Cost Method Stock repurchase program, remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate 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 Health care cost trend rate assumed for next year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Rate to which the cost trend rate is assumed to decline (ultimate trend rate) Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Quarterly Financial Data (Unaudited – see accompanying accountants’ report) Quarterly Financial Information [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation of property, plant and equipment Depreciation Impairment of goodwill Goodwill, Impairment Loss Impairment of intangible assets Impairment of Intangible Assets, Finite-lived Pension Settlement Pension Expense (Reversal of Expense), Noncash Amortization of intangible assets Amortization of Intangible Assets Program production cost amortization Program Production Cost Amortization The amount of expense recognized in the current period related to program production costs which are capitalized by the Company as they are incurred and amortized using the individual-film-forecast method, whereby these costs are amortized in the proportion that the current period's revenues bear to management's estimate of total ultimate revenues as of the beginning of such period related to the program. Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Payment Arrangement, Noncash Expense Other non-cash items Other Noncash Income (Expense) Changes in operating assets and liabilities, net of acquired and disposed balances: Increase (Decrease) in Operating Capital [Abstract] (Increase) decrease in accounts receivable Increase (Decrease) in Accounts Receivable Increase in inventories Increase (Decrease) in Inventories Decrease (increase) in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Program production costs, net of tax rebates received Program Production Costs, Net of Tax, Rebates Received The amount recognized in the current period for cash outflows related to program production costs which are capitalized by the Company as they are incurred and amortized using the individual-film-forecast method, whereby these costs are amortized in the proportion that the current period's revenues bear to management's estimate of total ultimate revenues at of the beginning of such period related to the program. Increase (decrease) in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net deemed repatriation tax Net deemed repatriation tax Net one-time mandatory deemed repatriation tax on undistributed foreign earnings recognized in the income statement as a result of the U.S. Tax Act of 2017. Other, including long-term advances Increase Decrease In Other Operating Liabilities And Long Term Royalty Advances The net change during the reporting period in other operating obligations not otherwise defined in the taxonomy, including long-term portion of royalty advances under long-term contracts. Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Investments and acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net gains on derivative contracts Proceeds from Sale, Maturity and Collection of Investments Other Payments for (Proceeds from) Other Investing Activities Net cash utilized by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net proceeds from borrowings with maturity greater than three months Proceeds from Issuance of Long-term Debt Repayments of borrowings with maturity greater than three months Repayments of Long-term Debt Net repayments of other short-term borrowings Repayments of Short-term Debt Purchases of common stock Payments for Repurchase of Common Stock Stock-based compensation transactions Proceeds from Stock Options Exercised Dividends paid Payments of Dividends Payments related to tax withholding for share-based compensation Payment, Tax Withholding, Share-based Payment Arrangement Deferred acquisition payments Deferred acquisition payments Payments of $87.5 million to Saban Properties consisting of $75.0 million deferred purchase price payment and $12.5 million released from escrow. Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Deferred financing fees paid Payments of Financing Costs Other Proceeds from (Payments for) Other Financing Activities Net cash provided (utilized) by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of year Supplemental information Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Income taxes paid Income Taxes Paid United States Income (Loss) from Continuing Operations before Income Taxes, Domestic International Income (Loss) from Continuing Operations before Income Taxes, Foreign Total earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Treasury Stock Treasury Stock [Member] Total Shareholders’ Equity Parent [Member] Redeemable Noncontrolling Interests Noncontrolling Interest [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Impact of adoption of ASU 2016-09 Accounting Standards Update 2016-09 [Member] Impact of adoption of ASU 2018-02 Accounting Standards Update 2018-02 [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance Stockholders' Equity Attributable to Parent Net earnings Cumulative effect of the new accounting principle in period of adoption Cumulative Effect of New Accounting Principle in Period of Adoption Acquisition of remaining interest in Backflip Adjustments to Additional Paid in Capital, Other Issuance of shares Stock Issued During Period, Value, Acquisitions Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Stock-based compensation transactions Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Purchases of common stock Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Dividends declared Dividends, Common Stock, Cash Ending Balance Direct-to-television Film Costs [Abstract] Direct-to-television Film Costs [Abstract] Released, less amortization Direct-to-television Film Costs, Released In production Direct-to-television Film Costs, Production Pre-production Direct-to-television Film Costs, Preproduction Theatrical Film Costs [Abstract] Theatrical Film Costs [Abstract] Released, less amortization Theatrical Film Costs, Released In production Theatrical Film Costs, Production Pre-production Theatrical Film Costs, Preproduction Total program production costs Film Costs Amortization expected for the released programs in next operating period Film Costs, Amortized in Next Operating Cycle Total unamortized programming costs related to released productions Total unamortized programming costs related to released productions Total Unamortized Programming Costs Related To Released Productions, Theatrical Release and Television Period of amortization for the unamortized television programming costs related to released productions Television Programming Costs, Amortization Period The amortization period for television programming costs. Accrued Liabilities, Current [Abstract] Accrued Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Balance at beginning of year Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Net gains from change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Balance at end of year Program Production Costs Entertainment [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Equity Interest Type [Axis] Equity Interest Type [Axis] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Power rangers and other entertainment assets Power Rangers and other entertainment assets [Member] Acquisition of Power Rangers and other entertainment assets. Business Acquisition [Line Items] Business Acquisition [Line Items] Total Purchase Price to be allocated Payments to acquire businesses, gross Business combination, indemnification assets, amount as of acquisition date Business Combination, Indemnification Assets, Amount as of Acquisition Date Market value of stock issued to seller Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Deferred purchase price Purchase price remainder to be paid in subsequent period Additional cash payment to be made in January 2019 Business combination, consideration transferred before transaction costs and working capital adjustments Business combination, consideration transferred before transaction costs and working capital adjustments Business combination, consideration transferred before transaction costs and working capital adjustments Acquisition costs Business Acquisition, Transaction Costs Other adjustment Business combination, recognized identifiable assets acquired and liabilities assumed, working capital adjustment Other payments to acquire businesses Other Payments to Acquire Businesses Business acquisition, equity interest issued or issuable, number of shares Accounting Policies [Abstract] Reconciliation of Net Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Pension and Postretirement Amounts Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Gains (Losses) on Derivative Instruments Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Gains (Losses) on Derivative Instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Unrealized Holding Gains on Available for-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Accumulated Other Comprehensive Income (Loss), Net of Tax Adoption of ASU 2018-02 Current period other comprehensive earnings (loss) Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Reclassifications from AOCE to earnings Reclassification Adjustment, Net of Tax Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss). Ending balance 2020 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due Year Five 2025 and thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total future lease payments Lessee, Operating Lease, Liability, Payments, Due Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lease liabilities Operating Lease, Liability Less current portion of operating lease liabilities Operating Lease, Liability, Current Non-current operating lease liability Operating Lease, Liability, Noncurrent Operating lease right-of-use asset, net Operating Lease, Right-of-Use Asset Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Loss and credit carryforwards Deferred Tax Assets, Operating Loss Carryforwards Operating loss carryforwards, decrease Deferred Tax Assets, Operating Loss Carryforwards, Decrease Deferred Tax Assets, Operating Loss Carryforwards, Decrease Effective income tax tate reconciliation, at federal statutory income tax rate, percent Tax cuts And jobs act Of 2017 provisional income tax expense benefit increase Tax Cuts And Jobs Act Of 2017 Provisional Income Tax Expense Benefit Increase Tax Cuts And Jobs Act Of 2017, provisional net income tax expense (benefit), increase (decrease) Deferred tax assets, valuation allowance Deferred Tax Assets, Valuation Allowance Valuation allowance, deferred tax asset, increase (decrease), amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount US state income taxes, tax cuts and jobs act of 2017 US state income taxes, Tax Cuts and Jobs Act of 2017 US state income taxes recorder as part of the provisional repatriation tax amount, which will be incurred due to certain future cash distributions. Unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Income taxes recognized potential interest and penalties Income Taxes Recognized Potential Interest And Penalties Recognized potential income tax interest and penalties during the reporting period. Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Decrease in unrecognized tax benefits is reasonably possible Decrease in Unrecognized Tax Benefits is Reasonably Possible Restricted Stock Restricted Stock [Member] Share-based Payment Arrangement, Option Share-based Payment Arrangement, Option [Member] Stock Options Non Employee Stock Options Non Employee [Member] Stock options granted to non-employee members of its Board of Directors which vest immediately or may be deferred to the date upon which the respective director ceases to be a member of the Company's Board of Directors. Common stock, capital shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Stock incentive plans, vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Compensation expense (income) Share-based Payment Arrangement, Expense Percentage of target number of shares, range lower limit Share-based Compensation Arrangement by Share-based Payment Award, Awards in Current Year as a Percentage of Target Number of Shares, Range Lower Limit The lower limit percentage of the number of performance stock awards granted in current year that may be earned by the recipient if the Company achieves the stated targets. Percentage of target number of shares, range upper limit Share-based Compensation Arrangement by Share-based Payment Award, Awards Granted in Current Year as a Percentage of Target Number of Shares, Range Upper Limit The upper limit percentage of the number of performance stock awards granted in current year that may be earned by the recipient if the Company achieves the stated targets. Additional shares granted (in shares) Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Additional Grants Adjustment to shares granted relative to vested stock performance awards for 3 year periods that have performed below or above 100% of target. Share-based payment arrangement, nonvested award, cost not yet recognized, amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Weighted average period for recognition of total unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Number of tranches Number of tranches The number of tranches in which shares are granted. Share-based compensation arrangement by share-based payment award, options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted average remaining contractual term for outstanding options Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual term for exercisable options Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term Share-based compensation arrangement by share-based payment award, options, outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based compensation arrangement by share-based payment award, options, exercisable, amount Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based compensation arrangement by share-based payment award, options, grants in period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based compensation arrangement by share-based payment award, options, exercises in period, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Number of deferred shares (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Deferred Net number of share options (or share units) granted, the receipt of which has been deferred to a certain future date. Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Product development Research and Development Expense [Member] Selling, distribution and administration Selling, Distribution and Administration [Member] The allocation (or location) of expense to (in) selling, distribution and administration expense. Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Allocated share-based compensation (income) expense Income tax benefit Share-based Payment Arrangement, Expense, Tax Benefit Allocated share-based compensation expense, net of tax Share-based Payment Arrangement, Expense, after Tax 2020 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2025-2029 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Financing Arrangements Short-term Debt [Text Block] Schedule of Tax Effect in Statement of Comprehensive Income Schedule of Other Comprehensive Income (Loss), Tax Effect [Text Block] Tabular disclosure of tax effects of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] U.S. and Canada U.S. and Canada [Member] Operating segment classified as U.S. and Canada. International International [Member] International segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker, and (c) for which discrete financial information is available. An operating segment, may engage in business activities for which it has yet to earn revenues. Entertainment, Licensing and Digital Entertainment, Licensing and Digital [Member] Operating segment classified as Entertainment, Licensing and Digital. Global Operations Global Operations [Member] Operating segments classified as Global Operations. Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Corporate and eliminations Corporate, Non-Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenues from External Customers Affiliate Revenue Revenue from Related Parties Operating Profit (Loss) Depreciation and Amortization Depreciation, Depletion and Amortization Capital Additions Property, Plant and Equipment, Additions Total Assets Assets Pension, Postretirement and Postemployment Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Summary of Other Intangible Assets [Abstract] Summary of Other Intangible Assets [Abstract] Acquired product rights Finite-Lived Trademarks, Gross Licensed rights of entertainment properties Finite-Lived License Agreements, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Amortizable intangible assets Finite-Lived Intangible Assets, Net Product rights with indefinite lives Indefinite-Lived Trademarks Total other intangibles assets, net Intangible Assets, Net (Excluding Goodwill) Restructuring Charges [Abstract] Severance charges Severance Costs Payments made in 2018 Severance payments, total Total severance payments during 2019 related to the Company's restructuring program. Changes in estimates Restructuring Reserve, Changes in Estimates Restructuring Reserve, Changes in Estimates Payments made in 2019 Restructuring Reserve Deferred tax assets: Deferred Tax Assets, Net [Abstract] Accounts receivable Deferred Tax Assets Accounts Receivable The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to accounts receivable related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken. Inventories Deferred Tax Assets, Inventory Operating leases Deferred Tax Assets, Operating Leases Deferred Tax Assets, Operating Leases Operating expenses Deferred Tax Assets, Tax Deferred Expense, Other Pension Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Other compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other Postretirement benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Interest rate hedge Deferred Tax Assets, Hedging Transactions Tax sharing agreement Deferred Tax Assets Tax Sharing Agreements The tax effect as of the balance sheet date of the amount of estimated future tax deductions arising from a tax sharing agreement in connection with the Company's agreement to form a joint venture with Discovery. The Company is obligated to make future payments to Discovery which are contingent upon the Company having sufficient income to realize the expected tax deductions of certain amounts related to the joint venture. Other Deferred Tax Assets, Other Gross deferred tax assets Deferred Tax Assets, Gross Valuation allowance Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Deferred Tax Liabilities, Net [Abstract] Depreciation and amortization of long-lived assets Deferred Tax Liabilities Depreciation and Amortization Long-Lived Assets The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of depreciation and amortization of long-lived assets and the basis of depreciation and amortization of long-lived assets computed in accordance with generally accepted accounting principles. The basis difference, whether due to impairment charges or other reasons, will increase future taxable income when it reverses. Equity method investment Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Operating leases Operating Leases Operating Leases Other Deferred Tax Liabilities, Other Deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred income taxes Deferred Income Tax Assets, Net Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Number of investments Number Of Investments Number Of Investments Fair value of available for sale investments, fair value option AvailableForSaleInvestmentsFairValueOption Available for sale investments for which the fair value option was elected. Gain on available for sale investments, fair value option Fair Value, Option, Changes in Fair Value, Gain (Loss) Fair value, investments, entities that calculate net asset value per share, investment redemption, notice period Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investment Redemption, Notice Period Service cost Interest cost Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Curtailment/Settlement losses Defined Benefit Plan, Amortization of Gain (Loss) Curtailment/Settlement losses Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Net periodic benefit cost (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Leases Lessee, Operating Leases [Text Block] 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Restructuring Actions Restructuring and Related Activities Disclosure [Text Block] Capital Stock Treasury Stock [Text Block] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Tuque Games Tuque Games [Member] Tuque Games [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Goodwill Goodwill, Acquired During Period Terminal value growth rate, income approach, backflip Terminal value growth rate, income approach, Backflip Terminal value growth rate used to estimate cash flows beyond the forecast period, income approach, good will impairment analysis Discount rate, income approach, goodwill impairment analysis, backflip Discount rate, income approach, goodwill impairment analysis, Backflip Discount rate, income approach, goodwill impairment analysis, Backflip Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Senior Notes Senior Notes [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Unsecured committed Unsecured Committed [Member] Line of credit facility that is unsecured and committed. Offering price Conversion rate Business Acquisition, Conversion Rate Business Acquisition, Conversion Rate Total purchase price to be allocated Long-term line of credit Long-term Line of Credit Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Franchise Brands Class Of Principal Product Franchise Brands [Member] Revenues resulting from Franchise Brands product category. Partner Brands Class Of Principal Product Partner Brands [Member] Revenues resulting from Partner Brands product category. Hasbro Gaming Class Of Principal Product Hasbro Gaming [Member] Revenues resulting from Hasbro Gaming product category. Emerging Brands Class Of Principal Product Emerging Brands [Member] Revenues resulting from Emerging Brands product category. Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Schedule of Total Compensation Expense Related to Stock Options, Restricted Stock Units and Stock Performance Awards Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule of Stock Performance Awards Schedule of Nonvested Performance-based Units Activity [Table Text Block] Schedule of Restricted Stock Awards and Restricted Stock Units Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Stock Option Information Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Share-based Payment Award, Stock Option, Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Quarterly Financial Information Quarterly Financial Information [Table Text Block] Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets Assets, Current [Abstract] Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Shareholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Preference stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preference stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preference stock, shares issued (in shares) Preferred Stock, Shares Issued Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, at cost, shares (in shares) Treasury Stock, Shares Depreciation expense Statement of Comprehensive Income [Abstract] Net earnings Other comprehensive earnings (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Unrealized holding gains (losses) on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Net gains (losses) on cash flow hedging activities, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Net gains (losses) on cash flow hedging activities, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Changes in unrecognized pension and postretirement amounts, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Reclassifications to earnings, net of tax: Reclassifications to earnings, net of tax: [Abstract] Net (gains) losses on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Net (gains) losses on cash flow hedging activities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Amortization of unrecognized pension and postretirement amounts Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Period Benefit Cost Net Of Tax The adjustment out of other comprehensive income for actuarial gains or losses recognized as a component of net periodic benefit cost during the period, after tax. Settlement of U.S. defined benefit plan Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax Total other comprehensive earnings (loss), net of tax Total comprehensive earnings Comprehensive Income (Loss), Net of Tax, Attributable to Parent Tax (expense) benefit on unrealized holding (losses) gains Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax Tax benefit (expense) on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Tax benefit (expense) on cash flow hedging activities Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Tax (expense) benefit on changes in unrecognized pension amounts Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Tax expense (benefit) on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Tax expense (benefit) on cash flow hedging activities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Tax benefit on amortization of unrecognized pension and postretirement amounts reclassified to the consolidated statements of operations Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Tax benefit on settlement of U.S. defined benefit plan Other Comprehensive Income (Loss), Defined Benefit Plan, Adjustment for Settlement or Curtailment Gain (Loss), Tax Total tax effect on other comprehensive earnings (loss) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Acquisition Business Combination Disclosure [Text Block] Schedule of business acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Other assets Deferred Income Taxes Other Assets The portion as of the balance sheet date of the aggregate carrying amount of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles which are components of other assets. Other liabilities Deferred Income Taxes Other Liabilities The portion as of the balance sheet date of the aggregate carrying amount of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles which are components of other liabilities. Income Statement [Abstract] Costs and expenses Costs and Expenses [Abstract] Cost of sales Cost of Goods and Services Sold Royalties Royalty Expense Product development Research and Development Expense Advertising Advertising Expense Amortization of intangible assets Program production cost amortization Selling, distribution and administration Selling, General and Administrative Expense Total expenses Costs and Expenses Operating profit Non-operating (income) expense Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Interest income Investment Income, Interest Other (income) expense, net Other Nonoperating Income (Expense) Total non-operating expense, net Nonoperating Income (Expense) Earnings before income taxes Income taxes Income Tax Expense (Benefit) Net earnings Net earnings attributable to Hasbro, Inc. per common share: Cash dividends declared (in dollars per share) Lease cost Lease, Cost [Table Text Block] Maturities of operating lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Derivative [Table] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as hedging instrument Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash flow hedging Cash Flow Hedging [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Inventory purchases Foreign Currency Forward Contract 1[Member] Contract negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Sales Sales [Member] Royalties and Other Foreign Currency Forward Contract 4 [Member] Derivative [Line Items] Derivative [Line Items] Fair Value Derivative, Fair Value, Net Derivative, notional amount Derivative, Notional Amount Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at beginning of year Gross increases in prior period tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross decreases in prior period tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Gross increases in current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Decreases related to settlements with tax authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Decreases from the expiration of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance at end of year Other Operating Income (Expense) Other Operating Income (Expense) [Member] Fair value hedging Fair Value Hedging [Member] Not designated as hedging instrument Not Designated as Hedging Instrument [Member] Foreign currency forward contract Foreign Currency Forward Contract 5 [Member] Intercompany loans used in derivative contracts. Foreign exchange forward Foreign Exchange Forward [Member] Foreign exchange contract Foreign Exchange Contract [Member] Other (income) expense Gain (Loss) on Derivative Instruments, Net, Pretax Net unrealized gain (loss) Average shares outstanding, basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Earnings Per Share, Basic [Abstract] Earnings Per Share, Basic [Abstract] Equivalent shares (in shares) Weighted Average Number of Shares Outstanding, Basic Net earnings attributable to Hasbro, Inc. (in dollars per share) Earnings Per Share, Diluted [Abstract] Earnings Per Share, Diluted [Abstract] Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Options and other share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Equivalent shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Net earnings attributable to Hasbro, Inc. (in dollars per share) Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Domain] Retirement Plan Funding Status [Domain] Unfunded Plan [Member] Unfunded Plan [Member] Funded Funded [Member] A defined benefit plan where contributions from the employer, and sometimes also from plan members, are invested in a fund towards meeting the benefits. Foreign plan Foreign Plan [Member] Cash and cash equivalents Defined Benefit Plan, Cash and Cash Equivalents [Member] Pension expense Pension Cost (Reversal of Cost) Defined contribution plan, cost Defined Contribution Plan, Cost Defined benefit plans, number of major plans covering non-union employees Defined Benefit Plans, Number of Major Plans Covering Non-union Employees Number of major defined benefit plans which cover non-union employees. Excess assets for U.S. Pension Plan Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Settlements paid Defined benefit obligations in the amount Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Unrecognized gain (loss) in pension and post retirement plans Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Employee retirement age, option one Defined Benefit Plan, Pension Plan, Employee Retirement Age, Option One Employee Retirement Age Employee service period, option one Defined Benefit Plan, Pension Plan, Employee Service Period, Option One Employee Service Period Employee retirement age, option two Defined Benefit Plan, Pension Plan, Employee Retirement Age, Option Two Defined Benefit Plan, Pension Plan, Employee Retirement Age, Option Two Employee service period, option two Defined Benefit Plan, Pension Plan, Employee Service Period, Option Defined Benefit Plan, Pension Plan, Employee Service Period, Option Defined benefit pension plans and post retirement plan Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Interest cost Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Benefit Obligation And Service And Interest Cost Componets Percentage Change The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation and the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. Projected benefit obligation Amortization Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Unrecognized net losses Defined Benefit Plan, Amortization of Transition Asset (Obligation) 2024 through 2028 Investments for which the fair value is measured using net asset value per share Investments for which the fair value is measured using net asset value per share Investments for which the fair value is measured using net asset value per share, not included in te fair value heirerarchy Other Comprehensive Earnings (Loss) Comprehensive Income (Loss) Note [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of accumulated other comprehensive income Reclassification out of Accumulated Other Comprehensive Income [Member] Interest rate contract Interest Rate Contract [Member] Accumulated net gain (loss) from cash flow hedges attributable to parent Accumulated other comprehensive losses Gain on cash flow hedge ineffectiveness Gain On Cash Flow Hedge Ineffectiveness Net Of Tax The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness, after tax. Cash flow hedge gain (loss) to be reclassified within twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Accrued liabilities Accrued Liabilities [Member] Unrealized gains Derivative Asset, Fair Value, Gross Asset Unrealized losses Derivative Liability, Fair Value, Gross Liability Net unrealized gain (loss) Operating cash flows from operating leases Operating Lease, Payments Right-of-use assets obtained in exchange for lease obligations, operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Weighted average remaining lease term, operating leases Operating Lease, Weighted Average Remaining Lease Term Weighted average discount rate, operating lease Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Health care cost trend rate assumed for next year Defined Benefit Plan, Benefit Obligations, Health Care Cost Trend Rate Assumed for Next Fiscal Year The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status. Rate to which the cost trend rate is assumed to decline (ultimate trend rate) Defined Benefit Plan, Benefit Obligations, Ultimate Health Care Cost Trend Rate The ultimate trend rate for health care costs. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 3.90% Notes Due 2029 Notes 390 Due 2029 [Member] Notes 390 Due 2029 [Member] 3.55% Notes Due 2026 Notes 355 Due 2026 [Member] Notes 355 Due 2026 [Member] 3.00% Notes Due 2024 Notes 300 Due 2024 [Member] Notes 300 Due 2024 [Member] 6.35% Notes Due 2040 Notes 635 Due 2040 [Member] Notes 6.35% due 2040 3.50% Notes Due 2027 Notes 350 Due 2027 [Member] Notes 3.50% due 2040 2.60% Notes Due 2022 Notes 260 Due 2022 [Member] Notes 260 Due 2022 [Member] 5.10% Notes Due 2044 Notes 5.10% Due 2044 [Member] 3.15% Notes Due 2021 Notes 3.15% Due 2021 Member [Member] 6.60% Debentures Due 2028 Debentures 660 Due 2028 [Member] Debentures 6.60% due 2028 Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term debt, gross Long-term Debt, Gross Long-term debt, fair value Long-term Debt, Fair Value Less: Deferred debt expenses Debt Issuance Costs, Net Long-term debt, carrying value Long-term Debt Long-term debt, fair value Long-term Debt Fair Value, Excluding Current Maturities Fair value amount of long-term debt, classified as non-current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Interest rate on long-term debt Debt Instrument, Interest Rate, Stated Percentage Schedule of Product Information [Table] Schedule of Product Information [Table] Emerging brands to franchise brands Emerging Brands to Franchise Brands [Member] Prior quarter revenue reclassified from Emerging Brands to Franchise Brands to conform to the current presentation. Class Of principal product hasbro total gaming Class Of Principal Product Hasbro Total Gaming [Member] Revenues resulting from Hasbro Total Gaming product category including all gaming net revenues, most notably MAGIC: THE GATHERING and MONOPOLY. Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Wal-mart stores, Inc. Wal-Mart Stores, Inc. [Member] A major customer of Hasbro, Inc. Target corporation Target Corporation [Member] A major customer of Hasbro, Inc. Amazon.com. Inc. Amazon.com. Inc. [Member] A major customer of Hasbro, Inc. Toys RUS, Inc. Toys R Us, Inc. [Member] A major customer of Hasbro, Inc. Product Information [Line Items] Product Information [Line Items] Concentration risk, percentage Concentration Risk, Percentage Quarterly Financial Data [Table] Quarterly Financial Data [Table] Quarterly Financial Data [Table] Quarterly Financial Data [Line Items] Quarterly Financial Data [Line Items] [Line Items] for Quarterly Financial Data [Table] Settlement of U.S. defined benefit plan, before tax Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax Gain (loss) on derivative, net Derivative, Gain (Loss) on Derivative, Net Gain on acquisition Business Combination, Bargain Purchase, Gain Recognized, Amount Gain on acquisition, net Business Combination, Bargain Purchase, Gain Recognized, Amount, Net Business Combination, Bargain Purchase, Gain Recognized, Amount, Net Transaction costs, tax expense (benefit) Business Acquisition, Transaction Costs, Tax Expense (Benefit) Business Acquisition, Transaction Costs, Tax Expense (Benefit) Bad debt expense Bad Debt Expense Bad debt charge Bad debt expense, net Bad Debt Expense, Net Bad Debt Expense, Net Severance charges, net Severance Costs, Net Severance Costs, Net Goodwill and intangible asset impairment Goodwill and Intangible Asset Impairment Tax Act, expense (benefit) Tax Cuts and Jobs Act, Income Tax Expense (Benefit) Cover page. Document Type Document Type Document Annual Report Document Annual Report Document Transition Report Document Transition Report Document Period End Date Document Period End Date Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Trading Symbol Trading Symbol Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Other liabilities Other Liabilities [Member] Outstanding at beginning of year Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Expired or forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding at end of year Exercisable at end of year (in shares) Weighted average exercise price: Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, 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 Expired or forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Outstanding at end of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Exercisable at end of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Subsequent Events Subsequent Events [Text Block] Payments to Acquire Businesses, Net of Cash Acquired Goodwill Goodwill Finite-lived intangible assets acquired Finite-lived Intangible Assets Acquired Finite-lived intangible assets, remaining amortization period Finite-Lived Intangible Assets, Remaining Amortization Period Other assets, current Other Assets, Current Program production costs Other liabilities, current Other Liabilities, Current Segment Reporting Segment Reporting Disclosure [Text Block] Notes 3.50% Due 2027 Notes 6.30% Due 2017 Notes630 Due2017 Member [Member] Notes 6.30% due 2017 Notes 3.15% Due 2021 Notes 5.10% Due 2044 Notes 3.90% Due 2029 Notes 300 Due After 2024 Notes Due After 2024 [Member] Notes Due After 2024 [Member] Proceeds from issuance of long-term debt Debt instrument, interest rate Debt Instrument, Interest Rate, Increase (Decrease) Debt instrument, interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Debt issuance costs, gross Debt Issuance Costs, Gross Amortized over the life Debt Instrument, Term Redemption price Debt Instrument, Redemption Price, Percentage Fair value at date of interest rate swap contract settlement Life Settlement Contracts, Fair Value Royalties Accrued Royalties, Current Advertising Accrued Advertising, Current Payroll and management incentives Employee-related Liabilities, Current Dividends Dividends Payable, Current Severance Severance Payable, Current Accrued balance related to the Company's 2018 Restructuring Program Deferred payment on Power Rangers Acquisition Deferred payment on Power Rangers Acquisition Accrued Purchase Payments related to the Company's Power Rangers acquisition. Other Taxes Sales and Excise Tax Payable, Current Other Other Accrued Liabilities, Current Total accrued liabilities Accrued Liabilities, Current Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Long-Term Debt Long-term Debt [Text Block] Cost of sales Cost of Sales [Member] Royalties and other Royalty Expense[Member] The allocation (or location) of expense to (in) royalty expense. Effective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Effective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax ASSETS Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, less allowance for doubtful accounts of $17,200 in 2019 and $9,100 in 2018 Accounts Receivable, after Allowance for Credit Loss, Current Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, plant and equipment, net Property, Plant and Equipment, Net Other assets Assets, Noncurrent [Abstract] Other intangibles, net Other Other Assets, Noncurrent Total other assets Assets, Noncurrent Total assets Current liabilities Liabilities, Current [Abstract] Short-term borrowings Short-term Debt Accounts payable Accounts Payable, Current Accrued liabilities Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Preference stock of $2.50 par value. Authorized 5,000,000 shares; none issued Preferred Stock, Value, Issued Common stock of $0.50 par value. Authorized 600,000,000 shares; issued 220,286,736 shares as of 2019 and 209,694,630 shares as of 2018 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Treasury stock, at cost, 83,424,129 shares in 2019 and 83,565,598 shares in 2018 Treasury Stock, Value Total shareholders’ equity Total liabilities and shareholders’ equity Liabilities and Equity Equity Method Investments and Joint Ventures [Abstract] Equity Method Investment Equity Method Investments and Joint Ventures Disclosure [Text Block] Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected option life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States International International Markets [Member] A second group of foreign countries about which segment information is provided by the entity. Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Long-lived assets Long-Lived Assets Components of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Summary of Changes in Projected Benefit Obligation, Plan Assets and Funded Status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Assumptions used to determine year-end pension and postretirement benefit obligations Schedule of Assumptions Used, Pension And Postretirement Benefit Obligations [Table Text Block] Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, expected long-term rates of return on plan assets, and health care cost trend rates. Fair Values of Plan Assets by Asset Class and Fair Value Hierarchy Level Schedule of Allocation of Plan Assets [Table Text Block] Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Assumptions Used to Determine Net Periodic Benefit Cost of Pension Plan and Postretirement Plan Defined Benefit Plan, Assumptions [Table Text Block] Schedule of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and improvements Land Improvements [Member] Buildings and improvements Building and Building Improvements [Member] Machinery, equipment and software Machinery and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Components of property, plant and equipment [Abstract] Components of Property, Plant and Equipment [Abstract] Gross property, plant and equipment Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net property, plant and equipment less tools, dies and molds Net property, plant and equipment less tools, dies and molds Tangible assets (not including tools, dies and molds) that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Tools, dies and molds, net of accumulated depreciation Tools, dies and molds, net of accumulated depreciation Long lived, depreciable assets commonly used to cut, shape, and form metal and other materials into goods for sale, net of accumulated depreciation. Total property, plant and equipment, net Right of use assets Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Less accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Total property, plant and equipment, net Schedule of Components of Earnings Before Income Taxes, Determined by Tax Jurisdiction Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Income Taxes Attributable to Earnings Before Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities by Balance Sheet Location ScheduleOfDeferredTaxAssetsAndLiabilitiesBalanceSheetLocationTableTextBlock Tabular disclosure of the net deferred tax asset or liability illustrating where deferred income taxes are recognized in an entity's statement of financial position. Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Discovery communications, Inc. Co-venturer [Member] Dicovery family channel Corporate Joint Venture [Member] Balance Sheet Location [Axis] Other expense Other Expense [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Payments to acquire interest in joint venture Payments to Acquire Interest in Joint Venture Joint venture, ownership interest Equity Method Investment, Co-venturer Ownership Percentage, The percentage of ownership of the Co-venturer in a co-venture transaction of common stock or equity participation in the investee accounted for under the equity method of accounting. Percentage of fair market value of equity method investment Fair Market Value of Equity Method Investment Interest, Percentage Represents the exercise price of the option agreement with the co-venturer based on the fair market value of the investors ownership of the investee. Net (gains) losses related to change in value of joint venture option agreement Net (gains) losses related to change in value of joint venture option agreement Net (gains) losses recorded in other expense related to change in value of joint venture option agreement. Liability associated with investment in joint venture, including imputed interest Remaining Present Value Of Expected Future Payments Present value of remaining payments to be made to Discovery for certain tax benefits to be received by the Company. Gain from reduction of remaining present value of expected future payments, tax cuts and jobs act Gain from reduction of remaining present value of expected future payments, tax cuts and jobs act Gain related to a reduction of a liability associated with investment in joint venture, including imputed interest, as a result of U.S. tax reform passed in December 2017. Payments made to discovery under tax sharing agreement Payments made to Discovery under tax sharing agreement Payments under a tax sharing agreement to a another party who the Company shares joint control of another entity with. Minimum royalty guarantee Royalty Guarantees, Commitments, Amount Number of annual installments for minimum royalty guarantee Number of annual installments for minimum royalty guarantee The number of annual royalty installments expected under the minimum annual royalty guarantee. Amount of annual installment for minimum royalty guarantee Amount of annual installment for minimum royalty guarantee The amount of annual installment payable under the minimum future royalty guarantees. Equity method investments Equity Method Investments Income (loss) from equity method investments Income (Loss) from Equity Method Investments Europe Europe [Member] Latin America Latin America [Member] Asia Pacific Asia Pacific [Member] Reportable geographical components Reportable Geographical Components [Member] Schedule of restructuring and related costs Restructuring and Related Costs [Table Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] United States Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) International Current Foreign Tax Expense (Benefit) Current income tax expense (benefit) Current Income Tax Expense (Benefit) Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] United States Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) International Deferred Foreign Income Tax Expense (Benefit) Deferred income tax expense (benefit) Income tax expense (benefit) Preparation of Consolidated Financial Statements Use of Estimates, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Marketable Securities Marketable Securities, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Equity Method Investment Equity Method Investments [Policy Text Block] Property, Plant and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Other Intangible Assets, Net Goodwill and Intangible Assets, Policy [Policy Text Block] Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Costs of Sales Cost of Goods and Service [Policy Text Block] Royalties Royalties [Policy Text Block] Disclosure of accounting policy for royalty license agreements with parties regarding the use of intellectual properties in products. Advertising Advertising Cost [Policy Text Block] Program Production Costs Film Costs, Policy [Policy Text Block] Shipping and Handling Selling, General and Administrative Expenses, Policy [Policy Text Block] Operating Leases Lessee, Leases [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Pension Plans, Postretirement and Postemployment Benefits Pension and Other Postretirement Plans, Policy [Policy Text Block] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Risk Management Contracts Derivatives, Policy [Policy Text Block] Net Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] U.S. and Canada International Entertainment, Licensing and Digital Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning goodwill Acquired during the period Impairment during the period Foreign exchange translation Goodwill, Foreign Currency Translation Gain (Loss) Ending goodwill New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting standards update 2014-09 Accounting Standards Update 2014-09 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Deferred revenues recorded as liabilities Contract with Customer, Liability, Current Contract with customer, asset Contract with Customer, Asset Contract with Customer, Asset Contract with customer, asset, net, current Contract with Customer, Asset, Net, Current Contract with customer, asset, net, noncurrent Contract with Customer, Asset, Net, Noncurrent Number of brand categories Number of Brand Categories Number of Brand Categories Percentage of revenues from sales of finished products Percentage of Revenues from Sales of Finished Products [Member] Joint Venture Machinery and equipment Tools, dies and molds Tools, Dies and Molds [Member] Product and Service [Axis] Product and Service [Domain] Shipping and handling Shipping and Handling [Member] Retained earnings Number of significant equity method investments Number of equity method investments The number of significant investments the entity accounts for using the equity method. Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Non-cash impairment charge Non-cash Impairment Charge Non-cash Impairment Charge Asset Impairment Charges [Abstract] Asset Impairment Charges [Abstract] Finite-lived intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Impairment of intangible assets, finite-lived Percentage of revenues from sales of finished products Percentage of Revenues from Sales of Finished Products Administrative expense Other General and Administrative Expense Other (income) expense, realized gain (loss) Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Other (income) expense, unrealized gain (loss) Unrealized Gain (Loss) on Derivatives Antidilutive securities excluded from computation of earnings (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Expected timing of satisfaction Revenue, Performance Obligation, Description of Timing Line of Credit Facility [Table] Line of Credit Facility [Table] Line of Credit Line of Credit [Member] Three-Year Term Loan Facility Three-Year Term Loan Facility [Member] Three-Year Term Loan Facility [Member] Five-Year Term Loan Facility Five-Year Term Loan Facility [Member] Five-Year Term Loan Facility [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Unsecured Uncommitted Unsecured Uncommitted [Member] Line of credit facility that is unsecured and uncommitted. Bank of America Syndicate Bank of America Syndicate [Member] Bank of America Syndicate [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Short-term Debt [Abstract] Short-term Debt [Abstract] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Weighted average interest rates of outstanding borrowings Short Term Debt Weight Average Interest Rate Reflects calculation as of the balance sheet date of the average interest rate weighted by the amount of short-term debt outstanding by type or by instrument at the time. Commercial paper program, notes outstanding CommercialPaperProgramNotesOutstanding Notes outstanding related to the Company's Commercial Paper Program at the balance sheet date. Debt instrument term Public offering price (in dollars per share) Potential additional commitment increase Line of Credit Facility, Maximum Borrowing Capacity, Commitments On Effective Date Line of Credit Facility, Maximum Borrowing Capacity, Commitments On Effective Date Commitments upon completion of acquisition Line of Credit Facility, Maximum Borrowing Capacity, Commitments Upon Completion Of Acquisition Line of Credit Facility, Maximum Borrowing Capacity, Commitments Upon Completion Of Acquisition Line of credit facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of credit facility, interest rate at period end Line of Credit Facility, Interest Rate at Period End Maximum aggregate principal amount of commercial paper notes issuable by the Company Maximum aggregate principal amount of commercial paper notes issuable Maximum amount of aggregate principal of commercial paper notes that the Company may issue. Maturities of the notes, maximum Maturities of notes, maximum The maximum period during which the commercial paper note becomes due and is repaid to the investor and interest payments stop. Commercial paper program, weighted average interest rate Commercialpaperprogramweightedaverageinterestrate The weighted average interest rate of notes outstanding relating to the Company's Commercial Paper Program at the balance sheet date. Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Other Intangibles Schedule Of Finite And Indefinte Lived Intangible Assets By Major Class [Text Block] Tabular disclosure of amortizable and non-amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Schedule of Expected Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]