Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 2,687	$ 1,944	$ 2,774
Other comprehensive income (loss), net of related taxes:
Foreign currency translation, net of related taxes of $153, ($19) and $47, respectively	(228)	261	(441)
Net unrealized gains (losses) on investment securities, net of reclassification adjustment and net of related taxes of $164, $335 and ($650), respectively	467	870	(1,767)
Net unrealized gains (losses) on cash flow hedges, net of related taxes of $0, $85 and ($133), respectively	(1)	228	(357)
Net unrealized gains (losses) on retirement plans, net of related taxes of $6, $0 and ($1), respectively	16	(2)	(13)
Other comprehensive income (loss)	254	1,357	(2,578)
Total comprehensive income	$ 2,941	$ 3,301	$ 196