Leases (Components of Lease Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Fixed operating lease expense	$ 250	$ 239	$ 207
Variable operating lease expense	66	60	67
Total operating lease expense	$ 316	$ 299	$ 274