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
Statements of Comprehensive Income/(loss)
Net income	$ 268	$ 235	$ 642	$ 781
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale	(368)	(38)	(1,003)	(103)
Net unrealized gains (losses) on cash flow hedges	(99)	(1)	(142)	(5)
Net unrealized gains (losses) on pension and other postretirement plans	3	1	6	7
Other comprehensive income (loss)	(464)	(38)	(1,139)	(101)
Comprehensive income (loss)	(196)	197	(497)	680
Comprehensive income attributable to noncontrolling interest	3	3	8	9
Comprehensive income (loss) attributable to controlling interest	(199)	194	(505)	671
Income tax expense (benefit) of items included in other comprehensive income:
Net unrealized gains (losses) on securities available for sale	(119)	(12)	(324)	(33)
Net unrealized gains (losses) on cash flow hedges	(32)	0	(46)	(2)
Net unrealized gains (losses) on pension and other postretirement plans	$ 1	$ 1	$ 2	$ 2