Long-Term Debt - TH facility (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) subsidiary	Mar. 31, 2023 CAD ($) subsidiary	Dec. 31, 2022 USD ($)
Line of Credit Facility [Line Items]
Amount outstanding under credit facility	$ 12,917		$ 12,934
TH Facility
Line of Credit Facility [Line Items]
Aggregate principal amount outstanding		$ 225,000,000
Amount outstanding under credit facility		$ 200,000,000
Interest rate	6.33%	6.33%
TH Facility | Canadian Bankers' Acceptance Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.40%
TH Facility | Prime Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.40%
TH Facility | Line of Credit
Line of Credit Facility [Line Items]
Number of subsidiaries | subsidiary	1	1
Number of guaranteed subsidiaries | subsidiary	4	4