Supplemental Financial Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income	$ 1,144	$ 1,235	$ 956
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	0	0	0
Depreciation and amortization	180	182	172
Premiums paid and non-cash loss on early extinguishment of debt	0	119	0
Amortization of deferred financing costs and debt issuance discount	29	33	39
(Income) loss from equity method investments	(22)	(12)	(20)
Loss (gain) on remeasurement of foreign denominated transactions	(33)	77	(20)
Net (gains) losses on derivatives	(40)	31	21
Share-based compensation expense	48	48	35
Deferred income taxes	29	(742)	80
Other	5	18	4
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable	19	(30)	(16)
Inventories and prepaids and other current assets	(7)	19	(10)
Accounts and drafts payable	41	14	16
Other accrued liabilities and gift card liability	(219)	360	(1)
Tenant inducements paid to franchisees	(52)	(20)	(19)
Other long-term assets and liabilities	43	99	(23)
Net cash provided by operating activities	1,165	1,431	1,214
Cash flows from investing activities:
Payments for property and equipment	(86)	(37)	(34)
Proceeds from disposal of assets, restaurant closures and refranchisings	8	26	30
Net payment for purchase of Popeyes, net of cash acquired	0	(1,636)	0
Return of investment on direct financing leases	16	16	17
Settlement/sale of derivatives, net	17	772	11
Other investing activities, net	1	1	3
Net cash provided by (used for) investing activities	(44)	(858)	27
Cash flows from financing activities:
Proceeds from issuance of long-term debt	75	5,850	0
Repayments of long-term debt and capital leases	(74)	(2,742)	(70)
Distributions to RBI for payments in connection with redemption of Preferred Shares	(60)	(3,006)	0
Payment of financing costs	(3)	(63)	0
Distributions paid on common, preferred and Partnership exchangeable units	(728)	(664)	(538)
Repurchase of Partnership exchangeable units	(561)	(330)	0
Capital contribution from RBI Inc.	61	29	14
Excess tax benefits from share-based compensation	0	0	8
Distributions from subsidiaries	0	0	0
Other financing activities, net	5	(10)	(5)
Net cash provided by (used for) financing activities	(1,285)	(936)	(591)
Effect of exchange rates on cash and cash equivalents	(20)	24	(2)
Increase (decrease) in cash and cash equivalents	(184)	(339)	648
Cash and cash equivalents at beginning of period	1,097	1,436	788
Cash and cash equivalents at end of period	913	1,097	1,436
Eliminations
Cash flows from operating activities:
Net income	(1,144)	(1,235)	(956)
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	1,144	1,235	956
Depreciation and amortization	0	0	0
Premiums paid and non-cash loss on early extinguishment of debt		0
Amortization of deferred financing costs and debt issuance discount	0	0	0
(Income) loss from equity method investments	0	0	0
Loss (gain) on remeasurement of foreign denominated transactions	0	0	0
Net (gains) losses on derivatives	0	0	0
Share-based compensation expense	0	0	0
Deferred income taxes	0	0	0
Other	0	0	0
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable	0	0	0
Inventories and prepaids and other current assets	0	0	0
Accounts and drafts payable	0	0	0
Other accrued liabilities and gift card liability	0	0	0
Tenant inducements paid to franchisees	0	0	0
Other long-term assets and liabilities	0	0	0
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Payments for property and equipment	0	0	0
Proceeds from disposal of assets, restaurant closures and refranchisings	0	0	0
Net payment for purchase of Popeyes, net of cash acquired		0
Return of investment on direct financing leases	0	0	0
Settlement/sale of derivatives, net	0	0	0
Other investing activities, net	0	0	0
Net cash provided by (used for) investing activities	0	0	0
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt and capital leases	0	0	0
Distributions to RBI for payments in connection with redemption of Preferred Shares	0	0
Payment of financing costs	0	0
Distributions paid on common, preferred and Partnership exchangeable units	0	0	0
Repurchase of Partnership exchangeable units	0	0
Capital contribution from RBI Inc.	0	0	0
Excess tax benefits from share-based compensation			0
Distributions from subsidiaries	0	0	0
Other financing activities, net	0	0	0
Net cash provided by (used for) financing activities	0	0	0
Effect of exchange rates on cash and cash equivalents	0	0	0
Increase (decrease) in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	0
Cash and cash equivalents at end of period	0	0	0
Consolidated Borrowers | Reportable Legal Entities
Cash flows from operating activities:
Net income	1,144	1,235	956
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	0	0	0
Depreciation and amortization	180	182	172
Premiums paid and non-cash loss on early extinguishment of debt		119
Amortization of deferred financing costs and debt issuance discount	29	33	39
(Income) loss from equity method investments	(22)	(12)	(20)
Loss (gain) on remeasurement of foreign denominated transactions	(33)	77	(20)
Net (gains) losses on derivatives	(40)	31	21
Share-based compensation expense	48	48	35
Deferred income taxes	29	(742)	80
Other	5	18	4
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable	19	(30)	(16)
Inventories and prepaids and other current assets	(7)	19	(10)
Accounts and drafts payable	41	14	16
Other accrued liabilities and gift card liability	(219)	360	(1)
Tenant inducements paid to franchisees	(52)	(20)	(19)
Other long-term assets and liabilities	43	99	(23)
Net cash provided by operating activities	1,165	1,431	1,214
Cash flows from investing activities:
Payments for property and equipment	(86)	(37)	(34)
Proceeds from disposal of assets, restaurant closures and refranchisings	8	26	30
Net payment for purchase of Popeyes, net of cash acquired		(1,636)
Return of investment on direct financing leases	16	16	17
Settlement/sale of derivatives, net	17	772	11
Other investing activities, net	1	1	3
Net cash provided by (used for) investing activities	(44)	(858)	27
Cash flows from financing activities:
Proceeds from issuance of long-term debt	75	5,850
Repayments of long-term debt and capital leases	(74)	(2,742)	(70)
Distributions to RBI for payments in connection with redemption of Preferred Shares	0	0
Payment of financing costs	(3)	(63)
Distributions paid on common, preferred and Partnership exchangeable units	0	0	0
Repurchase of Partnership exchangeable units	0	0
Capital contribution from RBI Inc.	61	29	14
Excess tax benefits from share-based compensation			8
Distributions from subsidiaries	(1,349)	(4,000)	(538)
Other financing activities, net	5	(10)	(5)
Net cash provided by (used for) financing activities	(1,285)	(936)	(591)
Effect of exchange rates on cash and cash equivalents	(20)	24	(2)
Increase (decrease) in cash and cash equivalents	(184)	(339)	648
Cash and cash equivalents at beginning of period	1,097	1,436	788
Cash and cash equivalents at end of period	913	1,097	1,436
RBILP | Reportable Legal Entities
Cash flows from operating activities:
Net income	1,144	1,235	956
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in loss (earnings) of consolidated subsidiaries	(1,144)	(1,235)	(956)
Depreciation and amortization	0	0	0
Premiums paid and non-cash loss on early extinguishment of debt		0
Amortization of deferred financing costs and debt issuance discount	0	0	0
(Income) loss from equity method investments	0	0	0
Loss (gain) on remeasurement of foreign denominated transactions	0	0	0
Net (gains) losses on derivatives	0	0	0
Share-based compensation expense	0	0	0
Deferred income taxes	0	0	0
Other	0	0	0
Changes in current assets and liabilities, excluding acquisitions and dispositions:
Accounts and notes receivable	0	0	0
Inventories and prepaids and other current assets	0	0	0
Accounts and drafts payable	0	0	0
Other accrued liabilities and gift card liability	0	0	0
Tenant inducements paid to franchisees	0	0	0
Other long-term assets and liabilities	0	0	0
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Payments for property and equipment	0	0	0
Proceeds from disposal of assets, restaurant closures and refranchisings	0	0	0
Net payment for purchase of Popeyes, net of cash acquired		0
Return of investment on direct financing leases	0	0	0
Settlement/sale of derivatives, net	0	0	0
Other investing activities, net	0	0	0
Net cash provided by (used for) investing activities	0	0	0
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt and capital leases	0	0	0
Distributions to RBI for payments in connection with redemption of Preferred Shares	(60)	(3,006)
Payment of financing costs	0	0
Distributions paid on common, preferred and Partnership exchangeable units	(728)	(664)	(538)
Repurchase of Partnership exchangeable units	(561)	(330)
Capital contribution from RBI Inc.	0	0	0
Excess tax benefits from share-based compensation			0
Distributions from subsidiaries	1,349	4,000	538
Other financing activities, net	0	0	0
Net cash provided by (used for) financing activities	0	0	0
Effect of exchange rates on cash and cash equivalents	0	0	0
Increase (decrease) in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	0
Cash and cash equivalents at end of period	$ 0	$ 0	$ 0