Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 60	$ 147	$ 113	$ 296
Other comprehensive (loss) income, net of tax
Investment securities	(68)	(2)	(126)	(17)
Derivatives and hedging activities	(29)	(7)	(8)	15
Other comprehensive loss, net of tax	(97)	(9)	(134)	(2)
Comprehensive (loss) income	$ (37)	$ 138	$ (21)	$ 294