Leases and Commitments (Supplemental Information Related Operating Leases) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating leases	$ 160	$ 156	$ 147
Finance leases	25	19	17
Operating leases	40	74	66
Finance leases	14	23	24
Operating leases	$ 89	$ 39	$ 39
Weighted-average remaining lease term (years)	4 years 1 month 6 days	4 years 2 months 12 days
Weighted-average discount rate	5.80%	4.30%
Weighted-average remaining lease term (years)	4 years 7 months 6 days	4 years 10 months 24 days
Weighted-average discount rate	6.30%	6.30%