Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 14,393	$ 12,898	$ 44,023	$ 44,466
Other comprehensive income/(loss), after–tax
Unrealized gains on investment securities	1,509	2,297	2,274	2,546
Translation adjustments, net of hedges	(12)	389	1,345	29
Fair value hedges	37	(20)	57	(33)
Cash flow hedges	314	2,265	3,517	1,354
Defined benefit pension and OPEB plans	4	(28)	(40)	(5)
DVA on fair value option elected liabilities	(487)	(349)	(575)	(232)
Total other comprehensive income, after–tax	1,365	4,554	6,578	3,659
Comprehensive income	$ 15,758	$ 17,452	$ 50,601	$ 48,125