Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Segment F&P expenses Franchise And Property Costs, Adjusted Franchise And Property Costs, Adjusted Denominator - basic and diluted partnership units: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Schedule of Intangible Assets and Goodwill Intangible Asset and Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Asset Acquisition [Table] Asset Acquisition [Table] Subsequent Event Subsequent Event [Member] Net income attributable to common unitholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period RH and BK China Transaction costs Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Common shares Common Stock, Value, Issued Accrued compensation and benefits Employee-related Liabilities, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Food, beverage, and packaging costs Food, Beverage And Pachaging Costs [Member] Food, Beverage And Pachaging Costs Leases Lessee, Finance Leases [Text Block] Line of Credit Line of Credit [Member] Schedule of Other Operating Expenses (Income), Net Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Capital contribution from RBI Proceeds from Partnership Contribution Restatement Determination Date Restatement Determination Date Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Interest Rate Swaps - Period One Interest Rate Swaps - Period One [Member] Interest Rate Swaps - Period One [Member] Reacquired franchise rights Franchise Rights [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Net proceeds from disposal of assets, restaurant closures, and refranchisings Proceeds from Sale of Productive Assets Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Consolidated Entities [Axis] Consolidated Entities [Axis] Current liabilities: Current: Liabilities, Current [Abstract] Supply chain sales Sales Revenue [Member] Sales Revenue Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Number of defendants Loss Contingency, Number of Defendants Wendy's Company TIMWEN Partnership Wendy's Company TIMWEN Partnership Wendy's Company TIMWEN Partnership Loss Contingencies [Table] Loss Contingencies [Table] Leases [Abstract] Leases [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Equity Method Investee Equity Method Investee [Member] Distribution to RBI for repurchase of RBI common shares Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Company restaurant expenses Company Restaurant Cost Of Sales Company Restaurant Cost Of Sales Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Noncurrent: Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Notional amount Derivative, Notional Amount Basic (in shares) Weighted average number of unit outstanding, basic (in shares) Weighted Average Number of Shares 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Restructuring And Tax Advisory Fee Corporate Restructuring And Tax Advisory Fee Distributions declared on Class A common units Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Less: current maturities of debt Long-Term Debt, Current Maturities Sales Revenue Revenue Benchmark [Member] Consolidated Borrowers Parent Company [Member] United States UNITED STATES Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders Equity [Line Items] Partnership Exchangeable Units Partnership Exchangeable Units [Member] Partnership 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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. Equity in earnings of consolidated subsidiaries Equity in (earnings) loss of consolidated subsidiaries Equity In Earnings Of Consolidated Subsidiaries Equity In Earnings Of Consolidated Subsidiaries Net loss from discontinued operations attributable to common unitholders, basic Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Basic Capital contribution from RBI Partners' Capital Account, Contributions Document Period End Date Document Period End Date Changes in current assets and liabilities, excluding acquisitions and dispositions: 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] Class A common units; 229,850,458 issued and outstanding at June 30, 2026; 226,247,286 issued and outstanding at December 31, 2025 Class A common units General Partners' Capital Account Other Others [Member] Others. Net cash used for investing activities from continuing operations Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] RBILP Subsidiaries [Member] Liabilities held for sale - discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Dividends payable (in used per share) Dividends Payable, Amount Per Share Aggregate principal amount of debt issued Debt Instrument, Face Amount Earnings per unit attributable to common unitholders - basic and diluted: Earnings Per Share, Basic [Abstract] Equity Equity [Text Block] Franchise agreement and reacquired franchise rights amortization Share Based Compensation And Non Cash Incentive Compensation Expense The aggregate amount of share-based compensation and the portion of annual non-cash incentive compensation that eligible employees elected or are expected to elect to receive as common equity in lieu of their cash bonus. 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Taxes payable Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Amortization of deferred financing costs and debt issuance discount Amortization of deferred financing costs and debt issuance discount Amortization of Debt Issuance Costs and Discounts Schedule of Condensed Consolidating Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] Schedule of Indefinite-Lived Intangible Assets [Table] Intangible Asset, Indefinite-Lived [Table] Net loss from discontinued operations, basic (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Letter of credit sublimit as part of revolving credit facility Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases Pensions Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Principal carrying amount of our variable term debt and senior notes Long-Term Debt, Gross Condensed Income Statement [Table] Condensed Income Statement [Table] Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Distribution payable Dividends Payable, Current Individual: Individual [Axis] Net losses (gains) on disposal of assets, restaurant closures and refranchisings Gain (Loss) on Sale of Assets and Asset Impairment Charges Indefinite-lived Intangible Assets [Line Items] Intangible Asset, Indefinite-Lived [Line Items] Acquisition, remaining issued and outstanding shares (in percentage) Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted average number of units outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Common stock dividends paid (in usd per share) Common Stock, Dividends, Per Share, Cash Paid Company restaurant Company restaurant expenses Company restaurant sales Sales Channel, Directly to Consumer [Member] Cross Currency Interest Rate Contract Cross Currency Interest Rate Contract [Member] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Accrued pension Liability, Defined Benefit Plan, Noncurrent Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Tenant inducements paid to franchisees Tenant Inducements Paid to Franchisees Increase (Decrease) In Tenant Inducements Deferred income taxes Deferred Income Taxes and Tax Credits Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] 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hedges, net of tax of $(7), $3, $(4) and $(9) Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), After Tax Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), After Tax Net cash used for operating activities from discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Effective income tax rate (percent) Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Indefinite-lived Intangible Assets, Major Class Name [Domain] Intangible Asset, Indefinite-Lived, Class [Domain] Other accrued liabilities and gift card liability Increase Decrease In Other Accrued Liabilities And Gift Card Liability Increase decrease in other accrued liabilities and gift card liability. Burger King brand BK Burger King [Member] Burger King. Litigation Status [Domain] Litigation Status [Domain] Net income from continuing operations Net income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair value of our variable term debt and senior notes Long-Term Debt, Fair Value Other Accrued Liabilities and Other Liabilities, net Other Liabilities Disclosure [Text Block] Burger King China Burger King China [Member] Burger King China Operating lease assets, net Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Schedule of Basic and Diluted Earnings Per Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Royalties Royalty [Member] Current portion of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Segment Reporting Segment Reporting [Text Block] Letters of credit issued against credit facility Long-Term Line of Credit Quoted market price Equity Method Investment, Quoted Market Value Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Schedule of Disaggregation of Total Revenues Disaggregation of Revenue [Table Text Block] Weighted average units outstanding - basic and diluted (in millions): Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Net income from continuing operations, diluted (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Net income from continuing operations, basic (in usd per share) Income (Loss) from Continuing Operations, Per Basic Share Stockholders Equity [Table] Stockholders Equity [Table] Stockholders Equity [Table] Allocation of net loss from discontinued operations among partner interests: Allocation of net loss from discontinued operations among partner interests [Abstract] Allocation of net loss from discontinued operations among partner interests Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Partnership exchangeable units, outstanding (in shares) Partnership exchangeable units beginning balance (in shares) Partnership exchangeable units ending balance (in shares) Limited Partners' Capital Account, Units Outstanding Total equity Beginning balance Ending balance Total equity Equity, Including Portion Attributable to Noncontrolling Interest Second Lien Senior Notes 4.00% Second Lien Senior Notes Due 2030 [Member] 4.00% Second Lien Senior Notes Due 2030 Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts 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[Line Items] Schedule of Equity Method Investments [Line Items] Stock repurchase program, authorized amount (up to) Share Repurchase Program, Authorized, Amount Cross Currency Interest Rate Contract, Maturing November 30, 2028 Cross Currency Interest Rate Contract, Maturing November 30, 2028 [Member] Cross Currency Interest Rate Contract, Maturing November 30, 2028 Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Firehouse Subs restaurants Firehouse Subs Restaurants [Member] Firehouse Subs Restaurants Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Interest Rate Interest rate swaps Interest Rate Swap [Member] Effect of exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Earned income on direct financing and sales-type leases Direct Financing Lease, Lease Income Amortization of favorable and unfavorable income lease contracts, net Operating Lease, Amortization Operating Lease, Amortization Advertising revenues and other services Advertising [Member] Less: unamortized deferred financing costs and deferred issuance discount Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Investment in subsidiaries Equity Method Investments Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Payables to affiliates Other Notes Payable, 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from Accumulated OCI to Income, Estimated Net Amount to be Transferred Insider Trading Policies and Procedures [Line Items] Schedule of Earned Income on Direct Financing Leases and Sales-Type Leases Direct Financing Lease, Lease Income [Table Text Block] Other financing activities, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Taxes payable Accrued Income Taxes, Noncurrent Prepaids and other current assets Prepaid Expense and Other Assets, Current Interest expense, net Interest expense, net Interest Income (Expense), Nonoperating Business Combination [Domain] Business Combination [Domain] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table] Letter of Credit Letter of Credit [Member] Lease income - operating leases Operating Lease, Lease Income [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Subtotal - lease income from operating leases Operating Lease, Lease Income Number of operating segments Number of Operating Segments Leases Lessor, Direct Financing Leases [Text Block] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities from continuing operations Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Allocation of net income among partner interests: Allocation Of Net Income Among Partner Interests [Abstract] Allocation Of Net Income Among Partner Interests [Abstract] Change In Contract With Customer Liability [Roll Forward] Change In Contract With Customer Liability [Roll Forward] Change In Contract With Customer Liability [Roll Forward] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Forward-currency contracts Forward Currency Contracts [Member] Forward Currency Contracts [Member] Investment, Name [Axis] Investment, Name [Axis] Net cash used for discontinued operations Net cash used for discontinued operations Cash Provided by (Used in) Discontinued Operation Designated as Hedging Instrument Designated as Hedging Instrument [Member] Finance leases, net of current portion Finance Lease, Liability, Noncurrent Intersegment Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Gain (loss) reclassified to earnings, net investment hedge Gain or (Loss) Recognized in Earnings (Amount Excluded from Effectiveness Testing) Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax Schedule of Revenues by Operating Segment and Country Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] Supplemental Financial Information Condensed Financial Statements [Text Block] City Area Code City Area Code Exchange of Partnership exchangeable units for RBI common shares Stock Issued During Period, Value, Conversion of Units Accumulated  Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Distributions on Class A common units and Partnership exchangeable units Distributions on Class A common units and Partnership exchangeable units Payments of Dividends Property revenues Property Revenue [Member] Property Revenue Name Forgone Recovery, Individual Name Other Other Accrued Liabilities, Noncurrent Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Distribution to RBI for repurchase of RBI common shares Partners' Capital Account, Distributions Statement [Line Items] Statement [Line Items] Total assets Assets System-wide restaurants are franchised Business Organization, Percentage of System-Wide Restaurants Franchised Business Organization, Percentage of System-Wide Restaurants Franchised Entity [Domain] Entity [Domain] Reportable Legal Entities Reportable Legal Entities [Member] Operating Segments Operating Segments [Member] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Interest expense, net Interest Expense, Nonoperating Total Partners’ capital Partners' Capital Interest Rate Swaps - Period Two Interest Rate Swaps - Period Two [Member] Interest Rate Swaps - Period Two [Member] PEO PEO [Member] Other liabilities, net Other liabilities, net Other Liabilities, Noncurrent BK China JV BK China JV [Member] BK China JV Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Net loss from discontinued operations, tax Discontinued Operation, Tax Effect of Discontinued Operation Franchise fees and other revenue Franchisor [Member] Recognized during period and included in the contract liability balance at the beginning of the year Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Net income, diluted (in usd per share) Net income, diluted (in usd per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash used for financing activities from continuing operations Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Variable lease payments Operating Lease, Variable Lease Income Inventories and prepaids and other current assets Inventories and prepaids and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Derivatives designated as cash flow hedges Cash Flow Hedging [Member] Litigation Case [Domain] Litigation Case [Domain] Amortization expense on intangible assets Intangible Asset, Finite-Lived, Amortization Expense Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Favorable leases Favorable Lease [Member] Favorable Lease Revenues Revenue from Contract with Customer, Excluding Assessed Tax Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net of accumulated depreciation and amortization of $1,299 and $1,245, respectively Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity 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(loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Revenue Recognition Revenue from Contract with Customer [Text Block] Supplier finance programs, term Supplier Finance Program, Payment Timing, Period Net change in fair value of derivatives, net of tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items] Other investing activities, net Payment for (Proceeds from) Other Investing Activity Schedule of Condensed Consolidating Statements of Operations Condensed Income Statement [Table Text Block] Segment Reporting [Table] Segment Reporting [Table] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Title and Position [Axis] Title and Position [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Amounts reclassified to earnings of cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Income from operations Income from operations Income from operations Operating Income (Loss) Contract liabilities expected to be recognized in Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Partnership exchangeable units, issued (in shares) Limited Partners' Capital Account, Units Issued Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Advertising expenses and other services Advertising expenses and other services Advertising Expense And Other Services Advertising Expense And Other Services BK China Business Combination [Text Block] Shares repurchased during period (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] Distributions per unit (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] Franchise agreements Franchise Agreements [Member] Franchise Agreements Benefit related to interest rate swap Gain or (Loss) Reclassified from AOCI into Earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax 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Class A common units Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Net income attributable to noncontrolling interests Net income (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Second Lien Senior Notes 4.375% Second Lien Senior Notes Due 2028 [Member] 4.375% Second Lien Senior Notes Due 2028 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) Exchange of partnership exchange 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 unitholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent 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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 Net payments for acquisition of franchised restaurants, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired 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] Stock repurchased not yet settled (in shares) Stock Repurchased Not Yet Settled During Period, Shares Stock Repurchased Not Yet Settled During Period, Shares Other accrued liabilities Accrued Liabilities, Current Partnership exchangeable units Partnership 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 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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 Impact of equity method investments Income (Loss) from Equity Method Investments Net income from continuing operations attributable to common unitholders, diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted 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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 Class A Common Units Common Units [Member] Common Units Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] 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 CPE Alder Investment Limited CPE Alder Investment Limited [Member] CPE Alder Investment Limited 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] Board of Directors of Burger King China JV Board of Directors of Burger King China JV [Member] Board of Directors of Burger King China JV 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 and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Minimum lease payments Operating Lease, Lease Income, Lease Payments Accounts and drafts payable Increase (Decrease) in Accounts Payable Other accrued liabilities Other Accrued Liabilities, Current Distributions declared on partnership exchangeable units Distribution Made to Limited Partner, Cash Distributions Declared 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] Comprehensive income (loss) 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 percentage (in percentage) Equity Method Investment, Ownership Percentage Payments to acquire businesses, gross Payments to Acquire Businesses, Gross Share-based compensation and non-cash incentive compensation expense Share-Based Payment Arrangement, Noncash Expense Partnership exchangeable units; 105,753,373 issued and outstanding at June 30, 2026; 109,356,545 issued and outstanding at December 31, 2025 Partnership exchangeable units Limited Partners' Capital Account Tim Hortons brand TH Tim Hortons [Member] Tim Hortons [Member] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Distribution paid in respect of each Partnership exchangeable unit (in usd per share) Distribution Made to Limited Partner, Distributions Paid, Per Unit Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Net income, basic (in usd per share) Net income, basic (in usd per share) Earnings Per Share, Basic Allocation of net income from continuing operations among partner interests: Allocation of net income from continuing operations among partner interests [Abstract] Allocation of net income from continuing operations among partner interests Total current assets Total current assets Assets, Current Insider Trading Arrangements [Line Items] Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Table] Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Table] Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Table] 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 Including Estimated Fair Values 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] Gain or (Loss) Recognized in Other Comprehensive Income (Loss) 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] Foreign currency Foreign Currency [Member] Foreign Currency [Member] Partners’ capital: Partners' Capital [Abstract] 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] Supplier financing obligation Supplier Finance Program, Obligation, Current Schedule of Property Revenues from Operating Leases Operating Lease, Lease Income [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] 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] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Derivative liabilities Derivative Liability, Noncurrent Total liabilities and equity Total liabilities and equity Liabilities and Equity FHS Firehouse Subs brand Firehouse Subs [Member] Firehouse Subs Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Net loss from discontinued operations, diluted (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] Related Party [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Class A common units, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) General Partners' Capital Account, Units Outstanding Long-Term Debt Long-Term Debt [Text Block] 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 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 [Member] 5.625% First Lien Senior Notes Due 2029 Adjustment to Compensation: Adjustment to Compensation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] 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 Hedging Designation [Axis] Hedging Designation [Axis] 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] First Lien Senior Notes 3.50% First Lien Senior Notes Due 2029 [Member] 3.50% First Lien Senior Notes Due 2029 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] Number of restaurants in operation Number of Restaurants Supply chain Supply chain cost of sales Supply chain sales Sales Channel, Through Intermediary [Member] Class A common units, issued (in shares) General Partners' Capital Account, Units Issued 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 B Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] 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 Cash distributions received from equity method investments Cash distributions Proceeds from Equity Method Investment, Distribution Schedule of Reconciliation of Segment Income to Net Income (Loss) 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 unitholders, basic Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Unfavorable leases Below Market Lease, Net Net income (loss) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Distributions from subsidiaries Payments of Distributions to Affiliates 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] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Costs and expenses Total Cost of Product and Service Sold Award Timing Method Award Timing Method [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 notes receivable, net 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 Facility A 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] Schedule of Change in the Components of AOCI 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] 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] Derivatives assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Cross-currency rate swaps 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] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]