Variable Interest Entities - Schedule of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying investments	$ 20	$ 18	$ 55	$ 48
Tax credits and Other tax benefits related to qualifying investments	(19)	(19)	(60)	(52)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
Tax credits and Other tax benefits related to qualifying investments	$ (2)	$ (3)	$ (7)	$ (9)