Leases - Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating Leases
2024	$ 350
2025	257
2026	204
2027	163
2028	130
Thereafter	698
Total lease payments	1,802
Less: interest	(494)
Total	1,308
Less: current portion	(268)	$ (344)
Long-term portion	1,040	1,088
Finance Leases
2024	26
2025	27
2026	28
2027	28
2028	28
Thereafter	166
Total lease payments	303
Less: interest	(72)
Total	231
Less: current portion	(16)	(16)
Long-term portion	$ 215	$ 234