Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net income	$ 57,048	$ 58,471	$ 49,552
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	14,212	10,678	9,320
Depreciation and amortization	8,821	7,938	7,512
Deferred tax (benefit)/expense	5,611	2,004	(4,534)
Estimated bargain purchase gain associated with the First Republic acquisition	0	(103)	(2,775)
Initial gain on the Visa share exchange	0	(7,990)	0
Other	1,309	1,985	4,301
Originations and purchases of loans held-for-sale	(260,772)	(212,238)	(115,245)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	235,232	205,303	116,430
Net change in:
Trading assets	(156,461)	(95,729)	(74,091)
Securities borrowed	(66,648)	(18,762)	(14,902)
Accrued interest and accounts receivable	(11,514)	5,735	19,928
Other assets	(12,582)	(7,650)	32,970
Trading liabilities	23,134	2,276	5,315
Accounts payable and other liabilities	5,270	(90)	(25,388)
Other operating adjustments	9,558	6,160	4,581
Net cash (used in)/provided by operating activities	(147,782)	(42,012)	12,974
Net change in:
Federal funds sold and securities purchased under resale agreements	(41,264)	(18,706)	39,740
Held-to-maturity securities:
Proceeds from paydowns and maturities	54,791	99,363	53,056
Purchases	(5,432)	(4,709)	(4,141)
Available-for-sale securities:
Proceeds from paydowns and maturities	37,414	38,499	53,744
Proceeds from sales	141,295	104,625	108,434
Purchases	(308,772)	(352,712)	(115,499)
Proceeds from sales and securitizations of loans held-for-investment	57,565	57,921	47,312
Other changes in loans, net	(188,497)	(83,176)	(88,343)
Net cash used in First Republic Acquisition	0	(2,362)	(9,920)
All other investing activities, net	(12,665)	(2,146)	(16,740)
Net cash (used in)/provided by investing activities	(265,565)	(163,403)	67,643
Net change in:
Deposits	153,168	3,299	(32,196)
Federal funds purchased and securities loaned or sold under repurchase agreements	145,535	80,288	13,801
Short-term borrowings	9,422	7,439
Short-term borrowings			(1,934)
Beneficial interests issued by consolidated VIEs	(622)	1,543	9,029
Proceeds from long-term borrowings	120,761	109,915	75,417
Payments of long-term borrowings	(108,100)	(96,605)	(64,880)
Proceeds from issuance of preferred stock	3,000	2,500	0
Redemption of preferred stock	(3,000)	(9,850)	0
Treasury stock repurchased	(31,591)	(18,830)	(9,824)
Dividends paid	(16,625)	(14,783)	(13,463)
All other financing activities, net	(2,415)	(1,469)	(1,521)
Net cash provided by/(used in) financing activities	269,533	63,447	(25,571)
Effect of exchange rate changes on cash and due from banks and deposits with banks	17,835	(12,866)	1,871
Net increase/(decrease) in cash and due from banks and deposits with banks	(125,979)	(154,834)	56,917
Cash and due from banks and deposits with banks at the beginning of the period	469,317	624,151	567,234
Cash and due from banks and deposits with banks at the end of the period	343,338	469,317	624,151
Cash interest paid	96,436	99,642	77,114
Cash income taxes paid, net	$ 5,309	$ 11,715	$ 9,908