Leases Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 26
Lessee, Operating Lease, Liability, Payments, Due Year Two	26
Lessee, Operating Lease, Liability, Payments, Due Year Three	26
Lessee, Operating Lease, Liability, Payments, Due Year Four	26
Lessee, Operating Lease, Liability, Payments, Due Year Five	26
Lessee, Operating Lease, Liability, Payments, Due after Year Five	414
Lessee, Operating Lease, Liability, Payments, Due	544
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(232)
Operating Lease, Liability	312	$ 19
Finance Lease, Liability, Payments, Due Year One	27
Finance Lease, Liability, Payments, Due Year Two	27
Finance Lease, Liability, Payments, Due Year Three	27
Finance Lease, Liability, Payments, Due Year Four	26
Finance Lease, Liability, Payments, Due Year Five	26
Finance Lease, Liability, Payments, Due after Year Five	330
Finance Lease, Liability, Payment, Due	463
Finance Lease, Liability, Undiscounted Excess Amount	(160)
Finance Lease, Liability	$ 303	$ 309