CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statements of Comprehensive Income/(loss)
Net income	$ 236	$ 16
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale	(103)	89
Net unrealized gains (losses) on cash flow hedges	(2)	13
Net unrealized gains (losses) on pension and other postretirement plans	4	2
Other comprehensive income (loss)	(101)	104
Comprehensive income (loss)	135	120
Comprehensive income attributable to noncontrolling interest	3	3
Comprehensive income attributable to controlling interest	132	117
Income tax expense (benefit) of items included in Other comprehensive income:
Net unrealized gains (losses) on securities available for sale	(33)	29
Net unrealized gains (losses) on cash flow hedges	(1)	4
Net unrealized gains (losses) on pension and other postretirement plans	$ 1	$ 1