Supplemental Financial Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 346	$ 270	$ 391	$ 271	$ 616	$ 662
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	0		0		0	0
Depreciation and amortization					97	100
Amortization of deferred financing costs and debt issuance discount	7		6		14	13
(Income) loss from equity method investments	9		3		22	5
(Gain) loss on remeasurement of foreign denominated transactions					(52)	(35)
Net (gains) losses on derivatives					27	42
Share-based compensation and non-cash incentive compensation expense					59	46
Deferred income taxes					0	24
Other					2	(12)
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable					4	17
Inventories and prepaids and other current assets					(27)	(5)
Accounts and drafts payable					99	103
Other accrued liabilities and gift card liability					(199)	(129)
Tenant inducements paid to franchisees					(6)	(1)
Other long-term assets and liabilities					13	(85)
Net cash provided by operating activities					669	745
Cash flows from investing activities:
Payments for property and equipment					(28)	(46)
Net proceeds from disposal of assets, restaurant closures, and refranchisings					10	14
Net payments in connection with purchase of Firehouse Subs					(12)	0
Settlement/sale of derivatives, net					9	1
Other investing activities, net					(25)	(5)
Net cash (used for) provided by investing activities					(46)	(36)
Cash flows from financing activities:
Proceeds from long-term debt					2	0
Repayments of long-term debt and finance leases					(47)	(54)
Distributions on Class A common and Partnership exchangeable units					(485)	(484)
Distribution to RBI for repurchase of RBI common shares					(326)	0
Capital contribution from RBI					4	56
Distributions from subsidiaries					0	0
(Payments) proceeds from derivatives					(6)	(32)
Other financing activities, net					(2)	(2)
Net cash (used for) provided by financing activities					(860)	(516)
Effect of exchange rates on cash and cash equivalents					(12)	9
Increase (decrease) in cash and cash equivalents					(249)	202
Cash and cash equivalents at beginning of period		1,087		1,560	1,087	1,560
Cash and cash equivalents at end of period	838		1,762		838	1,762
Eliminations
Cash flows from operating activities:
Net income	(346)		(391)		(616)	(662)
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	346		391		616	662
Depreciation and amortization					0	0
Amortization of deferred financing costs and debt issuance discount					0	0
(Income) loss from equity method investments	0		0		0	0
(Gain) loss on remeasurement of foreign denominated transactions					0	0
Net (gains) losses on derivatives					0	0
Share-based compensation and non-cash incentive compensation expense					0	0
Deferred income taxes						0
Other					0	0
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable					0	0
Inventories and prepaids and other current assets					0	0
Accounts and drafts payable					0	0
Other accrued liabilities and gift card liability					0	0
Tenant inducements paid to franchisees					0	0
Other long-term assets and liabilities					0	0
Net cash provided by operating activities					0	0
Cash flows from investing activities:
Payments for property and equipment					0	0
Net proceeds from disposal of assets, restaurant closures, and refranchisings					0	0
Net payments in connection with purchase of Firehouse Subs					0
Settlement/sale of derivatives, net					0	0
Other investing activities, net					0	0
Net cash (used for) provided by investing activities					0	0
Cash flows from financing activities:
Proceeds from long-term debt					0
Repayments of long-term debt and finance leases					0	0
Distributions on Class A common and Partnership exchangeable units					0	0
Distribution to RBI for repurchase of RBI common shares					0
Capital contribution from RBI					0	0
Distributions from subsidiaries					0	0
(Payments) proceeds from derivatives					0	0
Other financing activities, net					0	0
Net cash (used for) provided by financing activities					0	0
Effect of exchange rates on cash and cash equivalents					0	0
Increase (decrease) in cash and cash equivalents					0	0
Cash and cash equivalents at beginning of period		0		0	0	0
Cash and cash equivalents at end of period	0		0		0	0
Consolidated Borrowers | Reportable Legal Entities
Cash flows from operating activities:
Net income	346		391		616	662
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	0		0		0	0
Depreciation and amortization					97	100
Amortization of deferred financing costs and debt issuance discount					14	13
(Income) loss from equity method investments	9		3		22	5
(Gain) loss on remeasurement of foreign denominated transactions					(52)	(35)
Net (gains) losses on derivatives					27	42
Share-based compensation and non-cash incentive compensation expense					59	46
Deferred income taxes						24
Other					2	(12)
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable					4	17
Inventories and prepaids and other current assets					(27)	(5)
Accounts and drafts payable					99	103
Other accrued liabilities and gift card liability					(199)	(129)
Tenant inducements paid to franchisees					(6)	(1)
Other long-term assets and liabilities					13	(85)
Net cash provided by operating activities					669	745
Cash flows from investing activities:
Payments for property and equipment					(28)	(46)
Net proceeds from disposal of assets, restaurant closures, and refranchisings					10	14
Net payments in connection with purchase of Firehouse Subs					(12)
Settlement/sale of derivatives, net					9	1
Other investing activities, net					(25)	(5)
Net cash (used for) provided by investing activities					(46)	(36)
Cash flows from financing activities:
Proceeds from long-term debt					2
Repayments of long-term debt and finance leases					(47)	(54)
Distributions on Class A common and Partnership exchangeable units					0	0
Distribution to RBI for repurchase of RBI common shares					0
Capital contribution from RBI					4	56
Distributions from subsidiaries					(811)	(484)
(Payments) proceeds from derivatives					(6)	(32)
Other financing activities, net					(2)	(2)
Net cash (used for) provided by financing activities					(860)	(516)
Effect of exchange rates on cash and cash equivalents					(12)	9
Increase (decrease) in cash and cash equivalents					(249)	202
Cash and cash equivalents at beginning of period		1,087		1,560	1,087	1,560
Cash and cash equivalents at end of period	838		1,762		838	1,762
RBILP | Reportable Legal Entities
Cash flows from operating activities:
Net income	346		391		616	662
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	(346)		(391)		(616)	(662)
Depreciation and amortization					0	0
Amortization of deferred financing costs and debt issuance discount					0	0
(Income) loss from equity method investments	0		0		0	0
(Gain) loss on remeasurement of foreign denominated transactions					0	0
Net (gains) losses on derivatives					0	0
Share-based compensation and non-cash incentive compensation expense					0	0
Deferred income taxes						0
Other					0	0
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable					0	0
Inventories and prepaids and other current assets					0	0
Accounts and drafts payable					0	0
Other accrued liabilities and gift card liability					0	0
Tenant inducements paid to franchisees					0	0
Other long-term assets and liabilities					0	0
Net cash provided by operating activities					0	0
Cash flows from investing activities:
Payments for property and equipment					0	0
Net proceeds from disposal of assets, restaurant closures, and refranchisings					0	0
Net payments in connection with purchase of Firehouse Subs					0
Settlement/sale of derivatives, net					0	0
Other investing activities, net					0	0
Net cash (used for) provided by investing activities					0	0
Cash flows from financing activities:
Proceeds from long-term debt					0
Repayments of long-term debt and finance leases					0	0
Distributions on Class A common and Partnership exchangeable units					(485)	(484)
Distribution to RBI for repurchase of RBI common shares					(326)
Capital contribution from RBI					0	0
Distributions from subsidiaries					811	484
(Payments) proceeds from derivatives					0	0
Other financing activities, net					0	0
Net cash (used for) provided by financing activities					0	0
Effect of exchange rates on cash and cash equivalents					0	0
Increase (decrease) in cash and cash equivalents					0	0
Cash and cash equivalents at beginning of period		$ 0		$ 0	0	0
Cash and cash equivalents at end of period	$ 0		$ 0		$ 0	$ 0