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Franchise and property expenses Franchise And Property Costs Costs incurred and are directly related to generating revenues from leased and rented property or equipment and franchises. These costs include amortization of franchise agreements and franchise bad debt expense. Document Period End Date Document Period End Date Changes in current assets and liabilities, excluding acquisitions and dispositions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Other Others [Member] Others. 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Burger King brand BK Burger King [Member] Burger King. 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Exchange Of Noncontrolling Interests For Common Shares. 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Advertising Expense And Other Services BK China Business Combination [Text Block] Denominator: Denominator [Abstract] Denominator [Abstract] Repurchase of common shares (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Common stock, dividends declared (in usd per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Gain or (loss) reclassified from AOCI into earnings Gain or (Loss) Reclassified from AOCI into Earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Senior notes Senior Notes Net change in fair value of net investment hedges, net of tax Derivatives used in Net 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Interactive Data Current Entity Interactive Data Current Net income attributable to noncontrolling interests (Note 11) Net Income (Loss) Attributable to Noncontrolling Interest Deferred income taxes, net Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Accrued advertising expenses Accrued Advertising, Current Exchange of Partnership exchangeable units for RBI common shares (in shares) Stock Issued During Period, Shares, Conversion of Units Entity Small Business Entity Small Business Comprehensive income (loss) attributable to common shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cross Currency Interest Rate Contract, Maturing October 31, 2030 Cross Currency Interest Rate Contract, Maturing October 31, 2030 [Member] Cross Currency Interest Rate Contract, Maturing October 31, 2030 Termination Date Trading Arrangement Termination Date Subsequent Events [Abstract] Subsequent Events [Abstract] Percent of system-wide restaurants franchised Business Organization, Percentage of System-Wide Restaurants Business Organization, Percentage of System-Wide Restaurants Impact of foreign currency translation Contract With Customer, Liability, Foreign Currency Translation Contract With Customer, Liability, Foreign Currency Translation Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Gain (loss) recognized on other, net of tax of $0, $0, $1 and $0 Gain (loss) recognized on other, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other Other Liabilities, Current Other assets, net Other Assets, Noncurrent Number of brands Number Of Brands Number of brand. Document Type Document Type Net payments for acquisition of franchised restaurants, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Partnerships Exchangeable Units Partnerships With Exchangeable Units [Member] Partnerships With Exchangeable Units [Member] Fair Value as of Grant Date Award Grant Date Fair Value Settlement/sale of derivatives, net Proceeds from Derivative Instrument, Investing Activities Schedule of Goodwill [Table] Goodwill [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Contract liabilities Contract with Customer, Liability, Noncurrent Canada CANADA CANADA Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Description of Business and Organization Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Derivatives designated as net investment hedges Net Investment Hedging [Member] Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Number of countries in which company and franchise restaurants operated (more than) Number of Countries in which Entity Operates Gross Intangible Asset, Finite-Lived, before Accumulated Amortization Basis Of Presentation [Table] Basis Of Presentation [Table] Basis Of Presentation [Table] Total revenues Total revenues Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Net cash used for investing activities from discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation (Income) loss from equity method investments (Income) loss from equity method investments Impact of equity method investments Income (Loss) from Equity Method Investments New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Net income from continuing operations available to common shareholders and noncontrolling interests - diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Deferred income Contract With Customer, Deferred Income, Noncurrent Contract With Customer, Deferred Income, Noncurrent Executive Category: Executive Category [Axis] Gift card liability Contract With Customer, Liability, Gift Cards Contract With Customer, Liability, Gift Cards Counterparty Name [Axis] Counterparty Name [Axis] Operating costs and expenses: Operating Costs and Expenses [Abstract] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Franchise and property revenues Royalty, Property Revenue, and Franchisor [Member] Royalty, Property Revenue, and Franchisor [Member] Trade Names Trade Names [Member] Schedule of Fair Value Measurements Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories, net Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Finance lease obligations Finance Lease, Interest Expense Distribution in respect of each Partnership exchangeable unit (in usd per share) Distribution Made to Limited Partner, Distributions Declared, Per Unit Cross Currency Interest Rate Contract, Maturing October 31, 2027 Cross Currency Interest Rate Contract, Maturing October 31, 2027 [Member] Cross Currency Interest Rate Contract, Maturing October 31, 2027 Supplemental cash flow disclosures: Supplemental Cash Flow Information [Abstract] Amounts reclassified to earnings of cash flow hedges, net of tax of $5, $7, $10 and $15 Amounts reclassified to earnings of cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized, Unlimited [Fixed List] PEO Name PEO Name Restaurant Brands International Limited Partnership Restaurant Brands International Limited Partnership [Member] Restaurant Brands International Limited Partnership [Member] Geographical [Axis] Geographical [Axis] Beginning balance Ending balance Contract with Customer, Liability Derivatives Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Income taxes paid, net Income Tax Paid, before Refund Received Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred income Contract With Customer, Deferred Income, Current Contract With Customer, Deferred Income, Current Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Legal Entity [Axis] Legal Entity [Axis] Net change in fair value of cash flow hedges, net of tax of $(10), $4, $(18) and $15 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Increase, excluding amounts recognized as revenue during the period Contract with Customer, Liability, Increase Excluding Amounts Recognized As Revenue During The Period Contract with Customer, Liability, Increase Excluding Amounts Recognized As Revenue During The Period Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Identifiable assets subject to amortization: Intangible Asset, Finite-Lived [Table] Minimum lease payments Operating Lease, Lease Income, Lease Payments Accounts and drafts payable Increase (Decrease) in Accounts Payable Distributions declared by Partnership on Partnership exchangeable units Distribution Made to Limited Partner, Cash Distributions Declared Other accrued liabilities Other accrued liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Basic net loss per share from discontinued operations (in usd per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Ownership (as a percent) Equity Method Investment, Ownership Percentage Payments to acquire businesses Payments to Acquire Businesses, Gross Share-based compensation and non-cash incentive compensation expense Share-Based Payment Arrangement, Noncash Expense Tim Hortons brand TH Tim Hortons [Member] Tim Hortons [Member] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic net income per share (in usd per share) Earnings Per Share, Basic Repurchase of common shares Payments for Repurchase of Common Stock Total current assets Assets, Current Insider Trading Arrangements [Line Items] Repayments of long-term debt and finance leases Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Schedule of Quantitative Disclosures of Derivative Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Long-term debt, net of current portion Total long-term debt Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Derivatives designated as cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Interest rate Interest Rate Contract [Member] Restaurant occupancy expense and other Restaurant Occupancy Expense And Other [Member] Restaurant Occupancy Expense And Other Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable from equity method investments Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Issued Common Shares Common Stock [Member] Supplier finance program, obligation Supplier Finance Program, Obligation, Current Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Add: Net income attributable to noncontrolling interests Portion Of Net Income Loss Attributable To PEU Noncontrolling Interest The portion of net income loss, after preferred share dividends, attributable to noncontrolling interests represented by Partnership exchangeable units (PEUs). Burger King China JV Burger King China JV [Member] Burger King China JV Debt Interest Expense, Debt, Excluding Amortization Derivative Contract [Domain] Derivative Contract [Domain] Percentage of revenue (as a percent) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivative liabilities Derivative Liability, Noncurrent Total liabilities and shareholders’ equity Liabilities and Equity FHS FHS Firehouse Subs [Member] Firehouse Subs Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Diluted net loss per share from discontinued operations (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Property Revenues Summary Of Property Revenues From Operating Leases And Earned Income Table [Table Text Block] Summary Of Property Revenues From Operating Leases And Earned Income Table Related Party [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Long-Term Debt Long-Term Debt [Text Block] Stock repurchased, not yet settled (in shares) Stock Repurchased, Not Yet Settled, Shares Stock Repurchased, Not Yet Settled, Shares Restaurant wages and related expenses Restaurant Wages and Related Expenses [Member] Restaurant Wages and Related Expenses Other operating expenses (income), net Other operating expenses (income), net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] General and administrative expenses General and Administrative Expense First Lien Senior Notes 5.625% First Lien Senior Notes Due 2029 5.625% First Lien Senior Notes Due 2029 [Member] 5.625% First Lien Senior Notes Due 2029 Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Former Shareholder Vs Individual Directors Former Shareholder Vs Individual Directors [Member] Former Shareholder Vs Individual Directors Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts and drafts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other non-cash adjustments, net Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Entity Filer Category Entity Filer Category Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Property revenues Property Revenues [Member] Property Revenues Number of restaurants in operation Number of Restaurants Supply chain sales Sales Channel, Through Intermediary [Member] Name Trading Arrangement, Individual Name Cross-currency rate swaps Currency Swap [Member] Net (gains) losses on derivatives Gain (Loss) on Derivative Instruments, Net, Pretax Rent expense Operating Lease, Expense (Decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Continuing Operation Term Loan B Term Loan Facility B [Member] Term loan facility due February seventeen two thousand and twenty four. Operating lease, liability, current, statement of financial position flag Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Supply chain sales Supply Chain Sales Revenue [Member] Supply Chain Sales Revenue Cash distributions received from equity method investments Cash distributions received from equity method investments Proceeds from Equity Method Investment, Distribution Schedule of Reconciliation of Segment Income to Net Income Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Net income from continuing operations attributable to common shareholders - basic Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Unfavorable leases Below Market Lease, Net Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Numerator: Numerator Basic [Abstract] Numerator Basic [Abstract] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax (benefit) expense from continuing operations Income Tax Expense (Benefit) Net losses (gains) on foreign exchange Gain (Loss), Foreign Currency Transaction, before Tax Other Operating Expenses (Income), net Other Income and Other Expense Disclosure [Text Block] Supply chain cost of sales and Company restaurant expenses Total Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] (Decrease) increase in cash and cash equivalents, including cash classified as assets held for sale - discontinued operations Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accounts and notes receivable, net of allowance of $43 and $54, respectively Accounts and Financing Receivable, after Allowance for Credit Loss, Current Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Term Loan A Term Loan Facility A [Member] Term Loan A Due October Seven Two Thousand and Twenty Four [Member] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Net loss from discontinued operations (net of tax of $0) Net loss from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Statement [Table] Statement [Table] Unallocated management G&A Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from stock option exercises Proceeds from Stock Options Exercised Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Investment Income, Interest Schedule of Estimated Revenues Expected to be Recognized Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Dividend equivalents declared on restricted stock units Dividend, Share-Based Payment Arrangement, Cash Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Change in Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Total assets at fair value Derivative Asset, Subject to Master Netting Arrangement, before Offset Derivatives designated as net investment hedges Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Segment G&A General And Administrative Expenses, Adjusted General And Administrative Expenses, Adjusted (Gain) loss on remeasurement of foreign denominated transactions Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Revenues: Revenues from affiliates: Revenues [Abstract] Litigation settlements (gains) and reserves, net Litigation Settlement Expense (Reserves) Litigation Settlement Expense (Reserves) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Second Lien Senior Notes 4.375% Second Lien Senior Notes Due 2028 4.375% Second Lien Senior Notes Due 2028 [Member] 4.375% Second Lien Senior Notes Due 2028 Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]