Variable Interest Entities - Summary of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
LIHTC credits and benefits, net of amortization	$ (16)	$ (14)	$ (9)
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying LIHTC investments	44	26	23
LIHTC credits and benefits, net of amortization	(48)	(32)	(22)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
LIHTC credits and benefits, net of amortization	$ (12)	$ (7)	$ (10)