Leases Maturities of lease liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2026	$ 77
2027	61
2028	50
2029	44
2030	37
Later years	113
Total lease payments	382
Less amounts representing interest	(46)
Total	336
Finance Lease, Liability, Payment, Due [Abstract]
2026	28
2027	25
2028	22
2029	20
2030	17
Later years	60
Total lease payments	172
Less amounts representing interest	(43)
Total	$ 129	$ 145