Leases - Maturities and Supplemental information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Maturities of operating lease liabilities
2023	$ 175
2024	101
2025	69
2026	62
2027	48
Thereafter	108
Total undiscounted lease payments	563
Less imputed interest	(89)
Total operating lease liability	474
Maturities of finance lease liabilities
2023	61
2024	55
2025	32
2026	18
2027	12
Thereafter	45
Total undiscounted lease payments	223
Less imputed interest	(24)
Total finance lease liability	199
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	194	$ 166	$ 142
Operating cash flows from finance leases	6	5	4
Financing cash flows from finance leases	44	14	7
ROU assets obtained in exchange for new lease liabilities:
Operating leases	118	244	62
Finance leases	$ 116	$ 54	$ 50

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