Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 73	$ 152	$ 186	$ 448
Other comprehensive (loss) income, net of tax
Investment securities	(87)	(8)	(213)	(25)
Derivatives and hedging activities	(63)	1	(71)	16
Other comprehensive loss, net of tax	(150)	(7)	(284)	(9)
Comprehensive (loss) income	$ (77)	$ 145	$ (98)	$ 439