Variable Interest Entities - Schedule of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying investments	$ 20	$ 17
Tax credits and Other tax benefits related to qualifying investments	(23)	(20)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
Tax credits and Other tax benefits related to qualifying investments	$ (3)	$ (2)