Variable Interest Entities - Summary of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying investments	$ 15	$ 13
Low income housing tax credits and other tax benefits related to qualifying LIHTC investments	(17)	(14)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
Low income housing tax credits and other tax benefits related to qualifying LIHTC investments	$ (2)	$ (3)