Variable Interest Entities - Schedule of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying LIHTC investments	$ 54	$ 44	$ 26
Low income housing tax credits and other tax benefits related to qualifying LIHTC investments	(55)	(48)	(32)
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	$ (13)	$ (12)	$ (7)