CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statements of Comprehensive Income/(loss)
Net income	$ 245	$ 204	$ 467	$ 401
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale	53	(10)	169	(65)
Net unrealized gains (losses) on cash flow hedges	16	(2)	43	(32)
Net unrealized gains on pension and other postretirement plans	2	2	4	4
Other comprehensive income (loss)	71	(10)	216	(93)
Comprehensive income	316	194	683	308
Comprehensive income attributable to noncontrolling interest	4	5	8	10
Comprehensive income attributable to controlling interest	312	189	675	298
Income tax expense (benefit) of items included in other comprehensive income:
Net unrealized gains (losses) on securities available for sale	17	(3)	56	(22)
Net unrealized gains (losses) on cash flow hedges	5	(1)	14	(10)
Net unrealized gains on pension and other postretirement plans	$ 1	$ 1	$ 1	$ 1