Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 16,494	$ 14,643
Other comprehensive income/(loss), after–tax
Unrealized gains/(losses) on investment securities	(2,401)	953
Translation adjustments, net of hedges	(167)	489
Fair value hedges	41	28
Cash flow hedges	(901)	1,674
Defined benefit pension and OPEB plans	4	(16)
DVA on fair value option elected liabilities	1,025	217
Total other comprehensive income/(loss), after–tax	(2,399)	3,345
Comprehensive income	$ 14,095	$ 17,988