Leases (Schedule of Maturities of Operating and Financing Leases) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Lessee, operating lease, liability, payments, due next twelve months	$ 175
Finance lease, liability, payments, due next twelve months	13
Lease liability, payments, due next twelve months	188
Lessee, operating lease, liability, payments, due year two	133
Finance lease, liability, payments, due year two	12
Lease liability, payments, due year two	145
Lessee, operating lease, liability, payments, due year three	94
Finance lease, liability, payments, due year three	10
Lease liability, payments due, year three	104
Lessee, operating lease, liability, payments, due year four	49
Finance lease, liability, payments, due year four	8
Lease liability, payments, due year four	57
Lessee, operating lease, liability, payments, due year five	21
Finance lease, liability, payments, due year five	7
Lease liability, payments, due year five	28
Lessee, operating lease, liability, payments, due after year five	21
Finance lease, liability, payments, due after year five	13
Lease liability payments, due after year five	34
Operating lease, liability, payment, due	493
Finance lease, liability, payment, due	63
Lease liability, payments, total	556
Lessee, operating lease, liability, undiscounted excess amount	45
Lessee, finance lease, liability, undiscounted excess amount	14
Lease liability, undiscounted excess amount	59
Operating lease liability	448
Finance lease liability	49	$ 55
Total lease liabilities	$ 497	$ 520