Leases (Maturity of Lease Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating leases
2023	$ 237
2024	207
2025	171
2026	133
2027	84
Thereafter	95
Total	927
Less amount representing interest	(74)
Present value of lease liabilities	853
Finance leases
2023	53
2024	40
2025	24
2026	9
2027	3
Thereafter	4
Total	133
Less amount representing interest	(10)
Present value of lease liabilities	$ 123	$ 135