Leases - Summary of Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating Leases, Liability, Payments, Due year one	$ 5
Operating Leases, Liability, Payments, Due year two	5
Operating Leases, Liability, Payments, Due year three	5
Operating Leases, Liability, Payments, Due year four	5
Operating Leases, Liability, Payments, Due year five	5
Operating Leases, Thereafter	79
Operating Leases, Total lease payments	104
Operating Leases, Less: imputed interest	(38)
Operating Leases, Total	$ 66	$ 68
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Liabilities	Liabilities
Finance Leases, Liability, Payments, Due year one	$ 5
Finance Leases, Liability, Payments, Due year two	5
Finance Leases, Liability, Payments, Due year three	5
Finance Leases, Liability, Payments, Due year four	6
Finance Leases, Liability, Payments, Due year five	6
Finance Leases, Thereafter	22
Finance Leases, Total lease payments	49
Finance Leases, Less: imputed interest	(10)
Finance Leases, Total	$ 39	$ 42