Leases - Maturities and Supplemental information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Maturities of operating lease liabilities
2024	$ 137
2025	90
2026	74
2027	59
2028	43
Thereafter	114
Total undiscounted lease payments	517
Less: Imputed interest	(96)
Total operating lease liability	421
Maturities of finance lease liabilities
2024	55
2025	33
2026	19
2027	13
2028	11
Thereafter	36
Total undiscounted lease payments	167
Less: Imputed interest	(20)
Total finance lease liability	147
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	193	$ 194	$ 166
Operating cash flows from finance leases	6	6	5
Financing cash flows from finance leases	57	44	14
ROU assets obtained in exchange for new lease liabilities:
Operating leases	117	118	244
Finance leases	$ 5	$ 116	$ 54

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