Segment Reporting - Revenues by Operating Segment and Country (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue, Major Customer [Line Items]
Total revenues	$ 1,726	$ 1,495	$ 4,816	$ 4,193
Canada
Revenue, Major Customer [Line Items]
Total revenues	$ 940	$ 808	$ 2,565	$ 2,200
Canada | Revenue Benchmark | Geographic Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	10.00%	10.00%	10.00%
United States
Revenue, Major Customer [Line Items]
Total revenues	$ 587	$ 500	$ 1,679	$ 1,493
United States | Revenue Benchmark | Geographic Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	10.00%	10.00%	10.00%
Other
Revenue, Major Customer [Line Items]
Total revenues	$ 199	$ 187	$ 572	$ 500
TH
Revenue, Major Customer [Line Items]
Total revenues	1,033	885	2,830	2,426
BK
Revenue, Major Customer [Line Items]
Total revenues	491	467	1,407	1,333
PLK
Revenue, Major Customer [Line Items]
Total revenues	164	143	477	434
FHS
Revenue, Major Customer [Line Items]
Total revenues	$ 38	$ 0	$ 102	$ 0