Leases - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 186	$ 162	$ 198
Finance lease cost
Amortization of right-of-use assets	169	122	150
Interest on lease liabilities	17	23	21
Total lease cost	372	307	369
Variable lease cost included within operating lease cost	$ 38	$ 39	50
Accelerated amortization expense included within finance lease expense			$ 62