Variable Interest Entities - Schedule of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying investments	$ 17	$ 15	$ 35	$ 30
Tax credits and Other tax benefits related to qualifying investments	(21)	(17)	(40)	(33)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
Tax credits and Other tax benefits related to qualifying investments	$ (3)	$ (3)	$ (5)	$ (5)