Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 483	$ 731
Other comprehensive income (loss), net of tax
Net unrealized gain (loss) on securities available for sale	239	(91)
Net unrealized gain on cash flow hedge derivatives	7	0
Other comprehensive income (loss), net of tax	246	(91)
Total comprehensive income	$ 729	$ 640