CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 291	$ 201
Net change in unrealized gains (losses), net of tax:
Investment securities	(105)	189
Fair value option liabilities attributable to our own credit spread	40	3
Derivatives designated as cash flow hedges	0	(79)
Total other comprehensive income (loss)	(65)	113
Comprehensive income	$ 226	$ 314