Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating activities
Net income	$ 44,023	$ 44,466
Adjustments to reconcile net income to net cash used in operating activities:
Provision for credit losses	9,557	8,047
Depreciation and amortization	6,509	5,973
Deferred tax (benefit)/expense	4,151	(243)
Estimated bargain purchase gain associated with the First Republic acquisition	0	(103)
Initial gain on the Visa share exchange	0	(7,990)
Other	1,148	1,716
Originations and purchases of loans held-for-sale	(183,408)	(160,573)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	171,286	148,287
Net change in:
Trading assets	(304,983)	(237,756)
Securities borrowed	(28,828)	(51,688)
Accrued interest and accounts receivable	(41,383)	(15,491)
Other assets	(7,559)	(1,470)
Trading liabilities	48,148	53,495
Accounts payable and other liabilities	5,984	17,399
Other operating adjustments	7,849	6,161
Net cash (used in) operating activities	(267,506)	(189,770)
Net change in:
Federal funds sold and securities purchased under resale agreements	(130,648)	(114,402)
Held-to-maturity securities:
Proceeds from paydowns and maturities	30,948	72,354
Purchases	(4,840)	(2,358)
Available-for-sale securities:
Proceeds from paydowns and maturities	24,764	22,409
Proceeds from sales	117,305	84,394
Purchases	(257,127)	(233,063)
Proceeds from sales and securitizations of loans held-for-investment	40,946	43,793
Other changes in loans, net	(124,402)	(52,997)
Net cash used in the First Republic acquisition	0	(2,362)
All other investing activities, net	(9,393)	1,209
Net cash (used in) investing activities	(312,447)	(181,023)
Net change in:
Deposits	139,554	22,266
Federal funds purchased and securities loaned or sold under repurchase agreements	270,714	172,755
Short-term borrowings	14,165	5,355
Beneficial interests issued by consolidated VIEs	63	(3)
Proceeds from long-term borrowings	85,014	78,949
Payments of long-term borrowings	(78,612)	(67,380)
Proceeds from issuance of preferred stock	3,000	2,500
Redemption of preferred stock	(3,000)	(8,250)
Treasury stock repurchased	(23,327)	(14,529)
Dividends paid	(12,208)	(10,925)
All other financing activities, net	(2,273)	(1,586)
Net cash provided by financing activities	393,090	179,152
Effect of exchange rate changes on cash and due from banks and deposits with banks	20,982	1,750
Net decrease in cash and due from banks and deposits with banks	(165,881)	(189,891)
Cash and due from banks and deposits with banks at the beginning of the period	469,317	624,151
Cash and due from banks and deposits with banks at the end of the period	303,436	434,260
Cash interest paid	72,779	74,794
Cash income taxes paid, net	$ 3,173	$ 8,870