Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental cash flow information:
Cash payments for interest, including $0, $0, and $1, respectively, to related parties	$ 423	$ 152	$ 95
Cash payments for interest to related parties	0	0	1
Non-cash investing and financing activities:
Capital expenditures included in accounts payable and accrued liabilities	18	102	36
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	375	253	71
Property and equipment acquired under finance leases	326	152	78
Warrants to acquire Root Class A common stock	75	30	0
Equity-based compensation expense capitalized to property and equipment	8	7	6
Fair value of beneficial interests received in securitization transactions	148	338	65
Reductions of beneficial interests in securitizations and associated long-term debt	$ 134	$ 38	$ 28