Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 771	$ 770	$ 342	$ 2,249
Other comprehensive (loss) income, net of tax
Unrealized (losses) gains on available-for-sale investment securities, net of tax	(32)	17	208	119
Unrealized gains (losses) on cash flow hedges, net of tax	3	(8)	4	(38)
Unrealized pension and post-retirement plan gains, net of tax	0	0	0	1
Other comprehensive (loss) income	(29)	9	212	82
Comprehensive income	$ 742	$ 779	$ 554	$ 2,331