Leases (Supplemental Cash Flow Information Related to Leases) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating cash flows related to operating leases	$ 202	$ 180	$ 160
Finance Lease, Interest Payment on Liability	3	3	3
Financing cash flows related to finance leases	9	13	10
Right of use asset obtained in exchange for operating lease liability	185	216	221
Right of use asset obtained in exchange for finance lease liability	$ 6	$ 12	$ 6