Derivatives - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Nov. 30, 2024	Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Long-term debt, percentage bearing variable interest, amount	$ 2,300
Interest Rate Swap, Swapped to Fixed, Effective July 2026 and Expiration Date December 2030
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount		$ 675
Interest Rate Swap, Swapped to Fixed, Expiration Date December 2030
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	2,300		$ 1,625
Interest Rate Swap, Swapped To Fixed, Effective August 2026 And Expiration Date December 2030
Derivative Instruments, Gain (Loss) [Line Items]
Long-term debt, percentage bearing variable interest, amount	2,300
Credit risk contract
Derivative Instruments, Gain (Loss) [Line Items]
Total credit risk exposure to all counterparties related to derivative contracts	3,772
Net exposure to those counterparties after taking into effect master netting arrangements, setoff provisions and collateral	776
Largest net exposure to single counterparty	$ 262
Credit risk exposure to banking and financial sector percentage	75.00%
Net exposure to banking and financial sector percentage	26.00%