Segment Reporting - Revenues by Operating Segment and Country (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue, Major Customer [Line Items]
Total revenues	$ 1,590	$ 1,451
Canada
Revenue, Major Customer [Line Items]
Total revenues	$ 809	$ 747
Canada | Revenue Benchmark | Geographic Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	10.00%
United States
Revenue, Major Customer [Line Items]
Total revenues	$ 573	$ 521
United States | Revenue Benchmark | Geographic Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	10.00%
Other
Revenue, Major Customer [Line Items]
Total revenues	$ 208	$ 183
TH
Revenue, Major Customer [Line Items]
Total revenues	900	829
BK
Revenue, Major Customer [Line Items]
Total revenues	484	443
PLK
Revenue, Major Customer [Line Items]
Total revenues	168	148
FHS
Revenue, Major Customer [Line Items]
Total revenues	$ 38	$ 31