Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 37,676	$ 48,334	$ 29,131
Other comprehensive income/(loss), after–tax
Unrealized gains/(losses) on investment securities	(11,764)	(5,540)	4,123
Translation adjustments, net of hedges	(611)	(461)	234
Fair value hedges	98	(19)	19
Cash flow hedges	(5,360)	(2,679)	2,320
Defined benefit pension and OPEB plans	(1,241)	922	212
DVA on fair value option elected liabilities	1,621	(293)	(491)
Total other comprehensive income/(loss), after–tax	(17,257)	(8,070)	6,417
Comprehensive income	$ 20,419	$ 40,264	$ 35,548