Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Issued Common Shares	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Beginning balances (in shares) at Dec. 31, 2020		304,718,749
Beginning balances at Dec. 31, 2020	$ 3,721	$ 2,399	$ 622	$ (854)	$ 1,554
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises (in shares)		530,963
Stock option exercises	20	$ 20
Share-based compensation	22	$ 22
Issuance of shares (in shares)		1,636,858
Issuance of shares	9	$ 9
Dividends declared	(163)		(163)
Dividend equivalents declared on restricted stock units	0	$ 3	(3)
Distributions declared by Partnership on Partnership exchangeable units	(82)				(82)
Exchange of partnership exchangeable units for RBI common shares (in shares)		72,671
Exchange of Partnership exchangeable units for RBI common shares	0	$ 1			(1)
Restaurant VIE contributions (distributions)	1				1
Net income	271		179		92
Other comprehensive income (loss)	203			135	68
Ending balances (in shares) at Mar. 31, 2021		306,959,241
Ending balances at Mar. 31, 2021	$ 4,002	$ 2,454	635	(719)	1,632
Beginning balances (in shares) at Dec. 31, 2021	309,025,068	309,025,068
Beginning balances at Dec. 31, 2021	$ 3,853	$ 2,156	791	(710)	1,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises (in shares)		87,177
Stock option exercises	3	$ 3
Share-based compensation	24	$ 24
Issuance of shares (in shares)		906,260
Issuance of shares	13	$ 13
Dividends declared	(167)		(167)
Dividend equivalents declared on restricted stock units	0	$ 3	(3)
Distributions declared by Partnership on Partnership exchangeable units	(78)				(78)
Exchange of partnership exchangeable units for RBI common shares (in shares)		1,525,900
Exchange of Partnership exchangeable units for RBI common shares	0	$ 21		(3)	(18)
Repurchase of RBI common shares (in shares)		(2,860,002)
Repurchase of RBI common shares	(161)	$ (161)
Restaurant VIE contributions (distributions)	(1)				(1)
Net income	270		183		87
Other comprehensive income (loss)	$ 205			140	65
Ending balances (in shares) at Mar. 31, 2022	308,684,403	308,684,403
Ending balances at Mar. 31, 2022	$ 3,961	$ 2,059	$ 804	$ (573)	$ 1,671