2025 Program Production Cost Amortization, Released, Expected Future Amortization, Year Five Program Production Cost Amortization, Released, Expected Future Amortization, Year Five Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Revision of Prior Period [Axis] Revision of Prior Period [Axis] 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 Change in Projected Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Related Party [Axis] Related Party [Axis] Change in Plan Assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Summary of Other Intangible Assets [Abstract] Summary of Other Intangible Assets [Abstract] Noncontrolling Interest [Table] Noncontrolling Interest [Table] Drawdowns Production Financing Loan and Other Loans, Drawdowns Production Financing Loan and Other Loans, Drawdowns Measurement period adjustments Goodwill, Purchase Accounting Adjustments Contract liability balance, percentage Contract Liability, Balance, Percentage Contract Liability, Balance, Percentage Debt issuance costs, gross Debt Issuance Costs, Gross Amortization of intangible assets, net of tax Amortization of Intangible Assets, Net of Tax Amortization of Intangible Assets, Net of Tax 2023 Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year Three Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year Three Statistical Measurement [Domain] Statistical Measurement [Domain] LIABILITIES, NONCONTROLLING INTERESTS AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Distributions paid to noncontrolling owners and other foreign exchange Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders 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. Security Exchange Name Security Exchange Name 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. Consolidated total leverage ratio Debt Instrument, Covenant Compliance, Consolidated Total Leverage Ratio Consolidated Total Leverage Ratio Fair value of plan assets Fair value of plan assets — beginning Fair value of plan assets — ending Defined Benefit Plan, Plan Assets, Amount Right of use assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Net proceeds from borrowings with maturity greater than three months Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Total current liabilities Liabilities, Current Accounts Receivable and Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Reclassification out of accumulated other comprehensive income Reclassification out of Accumulated Other Comprehensive Income [Member] Earnings per share attributable to Hasbro, Inc.: Diluted (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Settlement of U.S. defined benefit plan Defined Benefit Plan, Plan Assets, Payment for Settlement Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 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 Variable Rate [Domain] Variable Rate [Domain] 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. 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2022 Program Production Cost Amortization, In Production, Expected Future Amortization, Year Two Program Production Cost Amortization, In Production, Expected Future Amortization, Year Two Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent ASSETS Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Investments in Productions and Investments in Acquired Content Rights Entertainment [Text Block] Stock-based compensation transactions Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Operating cash flows from operating leases Operating Lease, Payments 2023 Long-Term Debt, Maturity, Year Three Other Comprehensive Earnings (Loss) Comprehensive Income (Loss) Note [Text Block] Inventory purchases Foreign Currency Forward Contract, Inventory Purchases [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. Net gains on cash flow hedging activities, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Weighted Average Amortization Period Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 2021 Lessee, Operating Lease, Liability, to be Paid, Year One Released, less amortization Film, Monetized in Film Group, Capitalized Cost, Released Payments to acquire interest in joint venture Payments to Acquire Interest in Joint Venture Product rights with indefinite lives Indefinite-Lived Trademarks Cartamundi manufacturing agreement Cartamundi Manufacturing Agreement [Member] Share-based compensation arrangement by share-based payment award, options (in shares) Outstanding at beginning of year Outstanding at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2024 Lessee, Operating Lease, Liability, to be Paid, Year Four Share-based payment arrangement, nonvested award, cost not yet recognized, amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Canadian Facilities CANADA State and local Current State and Local Tax Expense (Benefit) Deferred Revenue Deferred Revenue Preference stock of $2.50 par value. Authorized 5,000,000 shares; none issued Preferred Stock, Value, Issued Other comprehensive earnings (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Other liabilities Other noncurrent liabilities Other Liabilities, Noncurrent 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 Wal-mart stores, Inc. Wal-Mart Stores, Inc. [Member] A major customer of Hasbro, Inc. Other (income) expense, realized gain Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Inventories Inventory, Net Settlements paid Defined Benefit Plan, Benefit Obligation, Payment for Settlement Measurement Frequency [Domain] Measurement Frequency [Domain] 2022 Program Production Cost Amortization, Due in Year Two Program Production Cost Amortization, Due in Year Two Selling, distribution and administration (a) Selling, Distribution and Administration [Member] The allocation (or location) of expense to (in) selling, distribution and administration expense. Concentration risk, percentage Concentration Risk, Percentage Gross increase from acquisition Unrecognized Tax Benefits, Increase Resulting from Acquisition 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. Defined benefit pension plans and post retirement plan Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Statement [Line Items] Statement [Line Items] Class of Stock [Domain] Class of Stock [Domain] Noncontrolling interests Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value And Goodwill Business Combination, Acquisition Of Less Than 100 Percent, Noncontrolling Interest, Fair Value And Goodwill Debt instrument term Amortized over the life Debt Instrument, Term Conversion rate Business Acquisition, Conversion Rate Business Acquisition, Conversion Rate Statement [Table] Statement [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Type of Restructuring [Domain] Type of Restructuring [Domain] Interest cost Interest cost Defined Benefit Plan, Interest Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Amortization of intangibles Business Acquisition, Pro Forma, Amortization of Intangible Assets Business Acquisition, Pro Forma, Amortization of Intangible Assets Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Deferred tax rate change Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, 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. 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 2025 Program Production Cost Amortization, Due in Year Five Program Production Cost Amortization, Due in Year Five Marketable Securities Marketable Securities, Policy [Policy Text Block] Retirement Plan Funding Status [Domain] Defined Benefit Plan, Funding Status [Domain] Entity Small Business Entity Small Business Principles of Consolidation Consolidation, Policy [Policy Text Block] Latin America Latin America [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Amendment Flag Amendment Flag Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Balance at beginning of year Balance at end of year Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Goodwill, transfers Goodwill, Transfers Corporate and eliminations Corporate, Non-Segment [Member] Other Other Accrued Liabilities, Current Purchase commitments Purchase Commitment, Remaining Minimum Amount Committed Total Production Financing Held by Production Subsidiaries and Other Loans Production Financing Held by Production Subsidiaries and Other Loans Net (gains) losses on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Quarterly Financial Data [Table] Quarterly Financial Data [Table] Quarterly Financial Data [Table] Restructuring Actions Restructuring and Related Activities Disclosure [Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Earnings (loss) 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. 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] Accrued Liabilities, Current [Abstract] Accrued Liabilities, Current [Abstract] 3.90% Notes Due 2029 Notes 3.90% Due 2029 [Member] Notes 390 Due 2029 [Member] In production Production Program Cost, In Production [Abstract] Production Program Cost, In Production Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Equity Method Investment Equity Method Investments [Policy Text Block] Loss on derivative, net Derivative, Gain (Loss) on Derivative, Net 2024 Purchase Obligation, to be Paid, Year Four Risk Management Contracts Derivatives, Policy [Policy Text Block] Shares issued from employee agreement (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period 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] Repayments of Unsecured Debt Repayments of Unsecured Debt Interest rate hedge Deferred Tax Assets, Hedging Transactions In development Program Production Cost, In Development [Abstract] Program Production Cost, In Development Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Net revenues by product category Revenue from External Customers by Products and Services [Table Text Block] Term Loan Agreement Term Loan Agreement [Member] Term Loan Agreement [Member] Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Issuance of shares for Saban purchase Stock Issued During Period, Value, Acquisitions Share-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent 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. Income Statement Location [Domain] Income Statement Location [Domain] 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two Other Commitments [Line Items] Other Commitments [Line Items] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Selling, distribution and administration Selling, General and Administrative Expense Operating leases Deferred Tax Assets, Operating Leases Deferred Tax Assets, Operating Leases Deferred revenue Deferred Tax Assets, Deferred Income Foreign exchange contract Foreign Exchange Contract [Member] Lease cost Lease, Cost [Table Text Block] 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three Other Other Assets, Noncurrent Total liabilities Financial Liabilities Fair Value Disclosure Total assets Total Assets Assets Fair value of available for sale investments, fair value option AvailableForSaleInvestmentsFairValueOption Available for sale investments for which the fair value option was elected. 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. Outstanding at beginning of year (in shares) Outstanding at end of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Established brands Established Brands [Member] Established Brands Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Cost of sales Cost of Sales [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Coverage ratio Debt Instrument, Covenant Compliance, Consolidated Interest Coverage Ratio Consolidated Interest Coverage Ratio Operating expenses Deferred Tax Assets, Tax Deferred Expense, Other Contractual Obligation, Fiscal Year Maturity Contractual Obligation, Fiscal Year Maturity [Table Text Block] Other Other Intangible Assets [Member] Cash, cash equivalents and restricted cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents 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. Benefit liabilties Liability, Defined Benefit Pension Plan Total liabilities Liabilities Sales Sales [Member] 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. Retirement Plan Type [Axis] Retirement Plan Type [Axis] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Accumulated benefit obligation — ending Defined Benefit Plan, Accumulated Benefit Obligation Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] 2025 Purchase Obligation, to be Paid, Year Five Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Foreign currency forward contract Foreign Currency Forward Contract 5 [Member] Intercompany loans used in derivative contracts. Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Variable % Notes Due December 30, 2024 Variable Percent Notes Due December 30, 2024 [Member] Variable Percent Notes Due December 30, 2024 Decrease (increase) in inventories Increase (Decrease) in Inventories 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] 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. Valuation allowance, deferred tax asset, increase (decrease), amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Additional Paid-in Capital Additional Paid-in Capital [Member] 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 TV/Film/Entertainment TV/Film/Entertainment [Member] TV/Film/Entertainment 2022 Purchase Obligation, to be Paid, Year Two Program cost amortization Program 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. 2018 Restructuring and 2020 Commercial Program 2018 Restructuring and 2020 Commercial Program [Member] 2018 Restructuring and 2020 Commercial Program Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] 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. Machinery and equipment Machinery, equipment and software Machinery and Equipment [Member] Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Equity method investments Equity Method Investments Deferred tax assets: Deferred Tax Assets, Net [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Revolving Credit Facility Revolving Credit Facility [Member] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Earnings before income taxes Total earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Integration related costs Business Combination, Integration Related Costs Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Outstanding at end of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Tuque Games Tuque Games [Member] Tuque Games [Member] Investments and acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized 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. Percentage of voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Options and other share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Stock-based compensation transactions Proceeds from Stock Options Exercised United States Deferred Federal Income Tax Expense (Benefit) 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Participations and residuals Accrued Participation and Residuals, Current Accrued Participation and Residuals, Current 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. Schedule of Information and Reconciliation by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Funded status Defined Benefit Plan, Funded (Unfunded) Status of Plan 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. Fair value at date of interest rate swap contract settlement Life Settlement Contracts, Fair Value Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] 2025 Program Production Cost Amortization, In Development, Expected Future Amortization, Year Five Program Production Cost Amortization, In Development, Expected Future Amortization, Year Five (Increase) decrease in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Royalties Accrued Royalties, Current Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Completed, not released Other Programming, Completed and Not Released Other Programming, Completed and Not Released Preparation of Consolidated Financial Statements Use of Estimates, Policy [Policy Text Block] Assumptions Used to Determine Net Periodic Benefit Cost of Pension Plan and Postretirement Plan Defined Benefit Plan, Assumptions [Table Text Block] 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. Other expenses Other Expenses 2023 Program Production Cost Amortization, In Development, Expected Future Amortization, Year Three Program Production Cost Amortization, In Development, Expected Future Amortization, Year Three Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] 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. Schedule of Stock Performance Awards Schedule of Nonvested Performance-based Units Activity [Table Text Block] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Consolidation Items [Domain] Consolidation Items [Domain] Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Long-Term Debt Long-term Debt [Text Block] 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. Other loans, beginning balance Other loans, ending balance Other Loans Payable Goodwill and Intangibles Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Common stock, capital shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Income (loss) from equity method investments Income (Loss) from Equity Method Investments Hedging Designation [Axis] Hedging Designation [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] 2026-2030 2026-2030 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Transfers Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Operating Lease, Liability, Statement of Financial Position [Extensible List] Operating Lease, Liability, Statement of Financial Position [Extensible List] Financing Arrangements Short-term Debt [Text Block] Production Financing Facilities Production Financing Facilities [Member] Production Financing Facilities [Member] Payments related to tax withholding for share-based compensation Payment, Tax Withholding, Share-based Payment Arrangement Designated as hedging instrument Designated as Hedging Instrument [Member] Schedule of restructuring and related costs Restructuring and Related Costs [Table Text Block] Unfunded Plan Defined Benefit Plan, Unfunded Plan [Member] Acquired during the period Goodwill acquired Goodwill, Acquired During Period Distributions paid to noncontrolling owners and other foreign exchange Temporary Equity, Decrease From Distributions To Noncontrolling Owners Temporary Equity, Decrease From Distributions To Noncontrolling Owners Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Fair Values of Undesignated Derivative Financial Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Goodwill [Line Items] Goodwill [Line Items] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Indebtedness redeemed as consideration for acquisition Distributions on mandatorily redeemable securities Payments to Acquire Businesses, Gross, Extinguishment Of Debt Payments to Acquire Businesses, Gross, Extinguishment Of Debt In production Other Programming, In Production Other Programming, In Production Net deferred income taxes Net deferred income taxes Deferred Tax Assets, Net Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Available-for-sale securities Debt Securities, Available-for-sale Restricted Stock Restricted Stock [Member] Accounts receivable, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] 6.35% Notes Due 2040 Notes 6.35% Due 2040 [Member] Notes 6.35% due 2040 Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Less current portion of operating lease liabilities Operating Lease, Liability, Current Market price Market price [Abstract] Rate to which the cost trend rate is assumed to decline (ultimate trend rate) Defined Benefit Plan, Ultimate Health Care Cost Trend Rate 2024 Program Production Cost Amortization, In Development, Expected Future Amortization, Year Four Program Production Cost Amortization, In Development, Expected Future Amortization, Year Four Schedule of Derivative Instruments, Gain (Loss) in Statement of 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and improvements Land Improvements [Member] Fiscal Year Fiscal Period, Policy [Policy Text Block] Additional paid-in capital Additional Paid in Capital, Common Stock Entity Registrant Name Entity Registrant Name Business Acquisition [Line Items] Business Acquisition [Line Items] Weighted average discount rate, operating lease Operating Lease, Weighted Average Discount Rate, Percent Assets: Assets, Fair Value Disclosure [Abstract] 2024 Program Production Cost Amortization, Due in Year Four Program Production Cost Amortization, Due in Year Four Less: Deferred debt expenses Debt Issuance Costs, Net Shipping and handling Shipping and Handling [Member] 2021 Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year One Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year One Other loans Other Loans Payable, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Capital Stock Treasury Stock [Text Block] Beginning balance Ending balance Restructuring Reserve Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Employee service period, option two Defined Benefit Plan, Pension Plan, Employee Service Period, Option Defined Benefit Plan, Pension Plan, Employee Service Period, Option Entity Address, Postal Zip Code Entity Address, Postal Zip Code Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Production Financing Production Financing Loan [Abstract] Production Financing Loan [Abstract] Restructuring Type [Axis] Restructuring Type [Axis] Accrued Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Goodwill Beginning goodwill Ending goodwill Goodwill Production financing loans, beginning balance Production financing loans, ending balance Production Financing Loans Production Financing Loans Released, less amortization Other Programming, Released Less Amortization Other Programming, Released Less Amortization Change in 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. 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Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Debt Disclosure [Abstract] Debt Disclosure [Abstract] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Franchise Brands Class Of Principal Product Franchise Brands [Member] Revenues resulting from Franchise Brands product category. Completed, not released Film, Monetized in Film Group, Capitalized Cost, Completed and Not Released Unsecured Debt Unsecured Debt [Member] Net cash provided (utilized) by financing activities Net Cash Provided by (Used in) Financing Activities Repayments of borrowings with maturity greater than three months Repayments of Long-term Debt 5.10% Notes Due 2044 Notes 5.10% Due 2044 Notes 5.10% Due 2044 [Member] Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Unrecognized tax benefits Balance at beginning of year Balance at end of year Unrecognized Tax Benefits 2021 Program Production Cost Amortization, Released, Expected Future Amortization, Year One Program Production Cost Amortization, Released, Expected Future Amortization, Year One Common stock of $0.50 par value. Authorized 600,000,000 shares; issued 220,286,736 shares as of 2020 and 2019 Common Stock, Value, Issued 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 3.00% Notes Due 2024 Notes 3.00% Due 2024 [Member] Notes 300 Due 2024 [Member] 2024 Program Production Cost Amortization, Released, Expected Future Amortization, Year Four Program Production Cost Amortization, Released, Expected Future Amortization, Year Four Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Net earnings attributable to noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest 2021 Finite-Lived Intangible Asset, Expected Amortization, Year Two Total tax effect on other comprehensive earnings (loss) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Other assets Assets, Noncurrent [Abstract] 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. Current portion of long-term debt Long-term Debt, Current Maturities Projected benefit obligation Projected benefit obligation — beginning Projected benefit obligation — ending Projected benefit obligation Defined Benefit Plan, Benefit Obligation Decreases related to settlements with tax authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Entity Current Reporting Status Entity Current Reporting Status Public offering price (in dollars per share) Sale of stock (in dollars per share) Sale of Stock, Price Per Share Net gains from change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Unrecognized net losses Defined Benefit Plan, Amortization of Transition Asset (Obligation) Prepaid royalties Prepaid Royalties Total program production costs Film, Capitalized Cost Schedule of Production and Financing Loan and Other Loans Schedule of Production and Financing Loan and Other Loans [Table Text Block] Schedule of Production and Financing Loan and Other Loans [Table Text Block] Net Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Total comprehensive earnings, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Retirement Plan Funding Status [Axis] Defined Benefit Plan, Funding Status [Axis] Cash consideration per share (in dollars and GBP per share) Cash consideration per share Business Acquisition, Share Price Common stock, shares issued (in shares) Common Stock, Shares, Issued Eurodollar Eurodollar [Member] Non-current Production Financing Loan, Noncurrent Production Financing Loan, Noncurrent Present value of future operating lease payments Operating Lease, Liability Net deferred income taxes Net deferred income taxes Deferred Tax Liabilities, Net Long-term debt Long-term Debt, Excluding Current Maturities Segment Reporting [Abstract] Segment Reporting [Abstract] Debt instrument, interest rate Debt Instrument, Interest Rate, Increase (Decrease) 2.60% Notes Due 2022 Notes 2.60% Due 2022 [Member] Notes 260 Due 2022 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Number of tranches Number of tranches The number of tranches in which shares are granted. Total consideration transferred Business Combination, Consideration Transferred eOne common shares outstanding (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Entity Address, City or Town Entity Address, City or Town Payroll and management incentives Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Employee retirement age, option one Defined Benefit Plan, Pension Plan, Employee Retirement Age, Option One Employee Retirement Age Restricted stock units (RSUs) Restricted Stock Units (RSUs) [Member] Health care cost trend rate assumed for next year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Total Shareholders’ Equity Parent [Member] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Five Other assets Other Assets [Member] Production financing and other Foreign Currency Forward Contract Production Financing And Other [Member] Type of Adoption [Domain] Accounting Standards Update [Domain] Tax benefit (expense) on changes in unrecognized pension amounts Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Reportable geographical components Reportable Geographical Components [Member] Production financing loan and other loans Production financing loan and other loans, beginning balance Production financing loan and other loans, ending balance Production Financing Loan and Other Loans Production Financing Loan and Other Loans Line of credit facility, interest rate at period end Line of Credit Facility, Interest Rate at Period End Dividends paid Payments of Dividends Deferred tax assets, valuation allowance Valuation allowance Deferred Tax Assets, Valuation Allowance 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Three Other comprehensive loss Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Leases [Abstract] Leases [Abstract] Entertainment Projects or Content Agreements Entertainment Projects or Content Agreements [Member] Entertainment Projects or Content Agreements Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Total comprehensive earnings attributable to noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Net earnings attributable to Hasbro, Inc. per common share: Net earnings Earnings Per Share [Abstract] Restructuring Charges Restructuring Charges Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Net earnings attributable to Hasbro, Inc. Business Acquisition, Pro Forma, Net Income (Loss), Attributable To Parent Business Acquisition, Pro Forma, Net Income (Loss), Attributable To Parent Gross property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization State and local income taxes, net Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Renegade Entertainment, LLC Renegade Entertainment, LLC [Member] Renegade Entertainment, LLC [Member] Pension and Postretirement Amounts Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Royalties Royalties [Member] Shareholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Pension expense Pension Cost (Reversal of Cost) 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Fiscal Period Focus Document Fiscal Period Focus Employer contribution Defined Benefit Plan, Plan Assets, Contributions by Employer Redemption price Debt Instrument, Redemption Price, Percentage Joint Venture Dicovery family channel Corporate Joint Venture [Member] Entity Filer Category Entity Filer Category 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] 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. Common Stock Common Stock [Member] 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. Product and Service [Domain] Product and Service [Domain] Product and Service [Domain] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Tax on international earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 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. Defined contribution plan, cost Defined Contribution Plan, Cost Unsecured committed Unsecured Committed [Member] Line of credit facility that is unsecured and committed. Other Commitments [Axis] Other Commitments [Axis] 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. Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Per common share Per common share [Abstract] Interest rate on long-term debt Debt Instrument, Interest Rate, Stated Percentage 2021 Program Production Cost Amortization, In Development, Expected Future Amortization, Year One Program Production Cost Amortization, In Development, Expected Future Amortization, Year One Foreign exchange Deferred Tax Liabilities, Unrealized Currency Transaction Gains Dividends Dividends Payable, Current Revenue, remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Earnings Per Share, Diluted [Abstract] Earnings Per Share, Diluted [Abstract] Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total non-operating expense, net Nonoperating Income (Expense) Share-based Payment Arrangement, Option Share-based Payment Arrangement, Option [Member] Share-based Payment Arrangement, Option [Member] Costs and expenses: Costs and Expenses [Abstract] 2023 Program Production Cost Amortization, Due in Year Three Program Production Cost Amortization, Due in Year Three Foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Treasury stock, at cost, shares (in shares) Treasury Stock, Shares Acquisition costs, period cost Acquisition Costs, Period Cost 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. State and local Deferred State and Local Income Tax Expense (Benefit) 2025 Long-Term Debt, Maturity, Year Five Ownership [Domain] Ownership [Domain] 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 United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Total shareholders’ equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 2020 Finite-Lived Intangible Asset, Expected Amortization, Year One Net revenues Revenues from External Customers Revenues Class of Stock [Axis] Class of Stock [Axis] Summary of Cash Flow Hedging Instruments Schedule of Derivative Instruments [Table Text Block] Curtailment/Settlement losses Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Reclassifications to earnings, net of tax: Reclassifications to earnings, net of tax: [Abstract] Schedule of Restricted Stock Awards and Restricted Stock Units Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Released Production Program Cost, Released [Abstract] Production Program Cost, Released Tax (expense) benefit on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Diluted (in dollars per share) Net earnings attributable to Hasbro, Inc. (in dollars per share) Earnings Per Share, Diluted Schedule of Geographic Information Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Proceeds from sale of investments Proceeds from Sale of Debt Securities, Available-for-sale Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Deferred tax liabilities: Deferred Tax Liabilities, Net [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Cash consideration for employee share based payment awards outstanding Total purchase price to be allocated Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Other Industries [Abstract] Other Industries [Abstract] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Goodwill and Other Intangible Assets, Net Goodwill and Intangible Assets, Policy [Policy Text Block] Weighted average remaining contractual term for exercisable options Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term Non-cash pension settlement Settlements paid Pension Expense (Reversal of Expense), Noncash Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Depreciation of property, plant and equipment Depreciation expense Depreciation Entity Address, Address Line One Entity Address, Address Line One Entity Emerging Growth Company Entity Emerging Growth Company eOne Integration Program eOne Integration Program [Member] eOne Integration Program Revenues Business Acquisition, Pro Forma Revenue Deferred income taxes Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Unrealized losses Derivative Liability, Fair Value, Gross Liability Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Maximum Maximum [Member] Other Loans Other Loans Payable [Abstract] Preference stock, shares authorized (in shares) Preferred Stock, Shares Authorized Other compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other Non-controlling Interests Noncontrolling Interest [Member] Dividends declared Dividends, Common Stock, Cash 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] Effective income tax rate, continuing operations Effective Income Tax Rate Reconciliation, Percent Program spend, net 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. Amortization Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Completed, not released Production Program Cost, Completed Not Released [Abstract] Production Program Cost, Completed Not Released Option agreement Option Agreement Fair market value of joint venture option agreement included in other liabilities. MR Productions Holdings, LLC MR Productions Holdings, LLC [Member] MR Productions Holdings, LLC [Member] Trading Symbol Trading Symbol Affiliate Revenue Revenue from Related Parties Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] 2024 Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year Four Program Production Cost Amortization, Completed Not Released, Expected Future Amortization, Year Four Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Global Operations Global Operations [Member] Operating segments classified as Global Operations. 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 International Income (Loss) from Continuing Operations before Income Taxes, Foreign Entity Shell Company Entity Shell Company 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 Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Fair value, recurring Fair Value, Recurring [Member] Entity Public Float Entity Public Float 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. Document Type Document Type ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Other income, net Other Nonoperating Income (Expense) Treasury Stock Treasury Stock [Member] Increase in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Product Information [Line Items] Product Information [Line Items] Segments [Axis] Segments [Axis] Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Pension, Postretirement and Postemployment Benefits Retirement Benefits [Text Block] 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 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. Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] 2021 Program Production Cost Amortization, In Production, Expected Future Amortization, Year One Program Production Cost Amortization, In Production, Expected Future Amortization, Year One Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Hasbro Gaming Class Of Principal Product Hasbro Gaming [Member] Revenues resulting from Hasbro Gaming product category. Operating Leases Lessee, Leases [Policy Text Block] Changes in unrecognized pension amounts, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Derivatives Derivative Asset Finance Act of 2020, income tax expense Finance Act of 2020, Income Tax Expense (Benefit) Finance Act of 2020, Income Tax Expense (Benefit) Line of Credit Line of Credit [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Pension Plans, Postretirement and Postemployment Benefits Pension and Other Postretirement Plans, Policy [Policy Text Block] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Proceeds from issuance of debt Proceeds from Issuance of Debt Other intangibles, net Total other intangibles assets, net Intangible Assets, Net (Excluding Goodwill) Trademarks and Trade Names Trademarks and Trade Names [Member] Foreign exchange differences Other Loans Payable, Exchange Difference Other Loans Payable, Exchange Difference Deferred Revenue Deferred Revenue, Current Operating profit Operating Profit (Loss) Operating profit (loss) (a) Operating Income (Loss) Production financing loan, weighted average interest rate Production Financing Loan, Weighted Average Interest Rate Production Financing Loan, Weighted Average Interest Rate Severance charges Severance Costs Contract with Customer, Contract Asset, Contract Liability, and Receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] In development Other Programming, In Development Other Programming, In Development Variable Rate [Axis] Variable Rate [Axis] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Noncontrolling interests related to acquisition of Entertainment One Ltd. Noncontrolling Interest, Increase from Business Combination Purchases of common stock Payments for Repurchase of Common Stock Stock incentive plans, vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2026 and thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Entity Address, State or Province Entity Address, State or Province Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Accounts payable Accounts Payable, Current Foreign exchange translation Goodwill, Foreign Currency Translation Gain (Loss) 6.60% Debentures Due 2028 Debentures 6.60% Due 2028 [Member] Debentures 6.60% due 2028 Other Commitments [Table] Other Commitments [Table] 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. Retained earnings Retained Earnings (Accumulated Deficit) Operating lease right-of-use asset, net Operating Lease, Right-of-Use Asset 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. Other expense Other Expense [Member] Reconciliation of Level 3 Fair Value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Income taxes paid Income Taxes Paid Property, plant and equipment (including right of use assets) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Customer [Axis] Customer [Axis] 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. Short-term borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Short-term Borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Short-term Borrowings 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. Income Taxes Income Tax, Policy [Policy Text Block] Hedging Designation [Domain] Hedging Designation [Domain] Exercisable (in shares) Exercisable at end of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Payment for debt prepayment cost Payment for Debt Extinguishment or Debt Prepayment Cost Debt acquisition costs Financing transaction fees Payments of Financing Costs Other Payments for (Proceeds from) Other Investing Activities Schedule of Program Production Costs Schedule of Program Production Costs [Table Text Block] Tabular disclosure of information regarding the components of program production costs. Domestic Plan Domestic Plan [Member] Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition 2021 Program Production Cost Amortization, Due in Year One Program Production Cost Amortization, Due in Year One 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. Expired or forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period 2026 and thereafter Long-Term Debt, Maturity, after Year Five Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Advertising Advertising Expense Lender Name [Axis] Lender Name [Axis] Business Acquisition [Axis] Business Acquisition [Axis] Geographical [Domain] Geographical [Domain] International Deferred Foreign Income Tax Expense (Benefit) Entity Voluntary Filers Entity Voluntary Filers Acquisition and related costs Business Combination, Acquisition Related Costs 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. Credit Facility [Axis] Credit Facility [Axis] Preference stock, shares issued (in shares) Preferred Stock, Shares Issued Business Combinations [Abstract] Business Combinations [Abstract] Income tax effect, amount Business Acquisition, Pro Forma, Effective Income Tax Rate Reconciliation at Federal Statutory Tax Rate, Amount Business Acquisition, Pro Forma, Effective Income Tax Rate Reconciliation at Federal Statutory Tax Rate, Amount Loss before income taxes Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Change in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Settlement, Percent Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Redemption, Period One Debt Instrument, Redemption, Period One [Member] Content assets - IIC and IIP Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Content Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Content Assets Goodwill [Roll Forward] Goodwill [Roll Forward] In production Film, Monetized in Film Group, Capitalized Cost, Production Reconciliation of Net Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Restructuring and related cost Restructuring and Related Cost, Incurred Cost Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Summary of Preliminary Allocation of Purchase Price Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Fair Value Hierarchy Fair Value, Assets Measured on Recurring Basis [Table Text Block] Term loans proceeds which financed acquisition Long-term Line of Credit eOne eOne Entertainment [Member] eOne Entertainment [Member] Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Reconciliation of Funded Status Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities 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. Entity Central Index Key Entity Central Index Key Film and television programming Direct-to-television Film Costs [Abstract] Related Party [Domain] Related Party [Domain] Gains (Losses) on Derivative Instruments Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Senior Notes Senior Notes [Member] Geographical [Axis] Geographical [Axis] Royalties Royalties [Policy Text Block] Disclosure of accounting policy for royalty license agreements with parties regarding the use of intellectual properties in products. Total Production Financing Loans, Net Production Financing Loans, Net Segments [Domain] Segments [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net earnings attributable to Hasbro, Inc. Business Acquisition, Pro Forma Net Income (Loss) 2024 Long-Term Debt, Maturity, Year Four Income Statement Location [Axis] Income Statement Location [Axis] Weighted average remaining contractual term for outstanding options Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Weighted average grant-date fair value: Weighted average exercise price: Weighted average grant-date fair value [Abstract] United States Current Federal Tax Expense (Benefit) Derivative, notional amount Derivative, Notional Amount 2024 Program Production Cost Amortization, In Production, Expected Future Amortization, Year Four Program Production Cost Amortization, In Production, Expected Future Amortization, Year Four Amortization of intangible assets Amortization of intangible assets Amortization of Intangible Assets Schedule of Net Revenues by International Region Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] 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 Fair Value Net unrealized gain (loss) Realized gain on matured contracts Derivative, Fair Value, Net Equity Method Investment Equity Method Investments and Joint Ventures Disclosure [Text Block] Redemption of Equity Instruments Redemption of Equity Instruments Redemption of Equity Instruments Segment Reporting Segment Reporting Disclosure [Text Block] Equity issuance, net of fees Stock Issued During Period, Value, New Issues Partner Brands Class Of Principal Product Partner Brands [Member] Revenues resulting from Partner Brands product category. Entertainment, Licensing and Digital Entertainment, Licensing and Digital Entertainment, Licensing and Digital [Member] Operating segment classified as Entertainment, Licensing and Digital. 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. Pension Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Licensed rights of entertainment properties Finite-Lived License Agreements, Gross Title of 12(b) Security Title of 12(b) Security Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Acquisition and related costs, net of tax Business Combination, Acquisition Related Costs, Net of Tax Business Combination, Acquisition Related Costs, Net of Tax Amortizable intangible assets Finite-Lived Intangible Assets, Net Long-lived assets Long-Lived Assets 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 Unrealized holding gains (losses) on available-for-sale securities, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Tax (expense) benefit on unrealized holding (losses) gains OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Drawdowns Production Financing Loan, Drawdowns Production Financing Loan, Drawdowns Chief executive officer Chief Executive Officer [Member] Other programming Theatrical Film Costs [Abstract] Previously Reported Previously Reported [Member] Interest expense Interest Expense 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] Depreciation and Amortization Depreciation, Depletion and Amortization Schedule of Income Taxes Attributable to Earnings Before Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Proportion Held Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Product and Service [Axis] Product and 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Comprehensive Income (Loss), Net of Tax, Attributable to Parent Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Preference stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] 2021 Long-Term Debt, Maturity, Year One Transaction costs, tax expense (benefit) Business Acquisition, Transaction Costs, Tax Expense (Benefit) Business Acquisition, Transaction Costs, Tax Expense (Benefit) Asia Pacific Asia Pacific [Member] City Area Code City Area Code Document Period End Date Document Period End Date Other Taxes Sales and Excise Tax Payable, Current Amazon.com. Inc. Amazon.com. Inc. [Member] A major customer of Hasbro, Inc. 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Noncontrolling interests related to acquisition of Entertainment One Ltd. 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Long-term debt, fair value Long-term Debt, Fair Value Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Income taxes Total income taxes Income Tax Expense (Benefit) Discount rate, income approach, goodwill impairment analysis, backflip Discount rate, income approach, goodwill impairment analysis, Backflip Discount rate, income approach, goodwill impairment analysis, Backflip Cash and cash equivalents including restricted cash of $73,200 in 2020 and $0 in 2019 Cash, cash equivalents and restricted cash at beginning of year Cash, cash equivalents and restricted cash at end of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Property, Plant and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Title of Individual [Domain] Title of Individual [Domain] 2025 Program Production Cost Amortization, In Production, Expected Future Amortization, Year Five Program Production Cost Amortization, In Production, Expected Future Amortization, Year Five Local Phone Number Local Phone Number Payments to acquire businesses Total cash consideration Payments to Acquire Businesses, Gross Unaudited Supplemental Pro Forma Results of Operations Business Acquisition, Pro Forma Information [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Interest expense Business Acquisition, Pro Forma, Interest Expense Business Acquisition, Pro Forma, Interest Expense Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] 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 Derivative [Line Items] Derivative [Line Items] Gains (Losses) on Derivative Instruments Accumulated net gain (loss) from cash flow hedges attributable to parent Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] 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. Long-term debt, gross Long-term Debt, Gross Gross decreases in prior period tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Total Contract with Customer, Liability 3.50% Notes Due 2027 Notes 3.50% Due 2027 [Member] Notes 3.50% due 2040 Allocated share-based compensation expense, net of tax Share-based Payment Arrangement, Expense, after Tax Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Tax expense on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Shipping and Handling Selling, General and Administrative Expenses, Policy [Policy Text Block] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Discovery communications, Inc. Co-venturer [Member] Income tax rate, percent Business Acquisition, Pro Forma, Effective Income Tax Reconciliation, at Federal Statutory Income Tax Rate, Percent Business Acquisition, Pro Forma, Effective Income Tax Reconciliation, at Federal Statutory Income Tax Rate, Percent Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets 2021 Purchase Obligation, to be Paid, Year One Restricted cash Restricted Cash Retained Earnings Retained Earnings [Member] Employee service period, option one Defined Benefit Plan, Pension Plan, Employee Service Period, Option One Employee Service Period Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Films and Television Programs Films And Television Programs [Member] Films And Television Programs Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash utilized by investing activities Net Cash Provided by (Used in) Investing Activities 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] 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). Award Type [Domain] Award Type [Domain] Accrued liabilities Liability, Defined Benefit Plan, Current Exercisable at end of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Unsecured Uncommitted Unsecured Uncommitted [Member] Line of credit facility that is unsecured and uncommitted. Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Gain on acquisition Business Combination, Bargain Purchase, Gain Recognized, Amount Line of credit facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Treasury stock, at cost, 82,979,403 shares in 2020 and 83,424,129 shares in 2019 Treasury Stock, Value Pension Pension Plan [Member] Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Current liabilities Liabilities, Current [Abstract] Effective income tax tate reconciliation, at federal statutory income tax rate, percent Statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Borrowings Proceeds from Lines of Credit Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Earnings Per Share, Basic [Abstract] Earnings Per Share, Basic [Abstract]