Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating Leases
2023	$ 379
2024	274
2025	228
2026	168
2027	92
Thereafter	359
Total lease payments	1,500
Less: interest	(252)
Total	1,248
Less: current portion	(326)	$ (299)
Operating lease liabilities	922	953
Finance Leases
2023	25
2024	25
2025	26
2026	26
2027	27
Thereafter	164
Total lease payments	293
Less: interest	(69)
Total	224
Less: current portion	(14)	(16)
Long-term portion	$ 210	$ 226