CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,101	$ 825	$ 393
Net change in unrealized gains (losses), net of tax:
Investment securities	494	2	536
Fair value option liabilities attributable to our own credit spread	(34)	(55)	(25)
Derivatives designated as cash flow hedges	(64)	208	136
Pension and post-retirement benefit plans	(3)	(1)	2
Total other comprehensive income	393	154	649
Comprehensive income	$ 1,494	$ 979	$ 1,042