Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 57,048	$ 58,471	$ 49,552
Other comprehensive income/(loss), after–tax
Unrealized gains/(losses) on investment securities	3,569	(87)	5,381
Translation adjustments, net of hedges	1,339	(858)	329
Fair value hedges	64	(87)	(101)
Cash flow hedges	3,388	(882)	1,724
Defined benefit pension and OPEB plans	579	(63)	373
DVA on fair value option elected liabilities	(773)	(36)	(808)
Total other comprehensive income/(loss), after–tax	8,166	(2,013)	6,898
Comprehensive income	$ 65,214	$ 56,458	$ 56,450