Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating activities
Net income	$ 16,494	$ 14,643
Adjustments to reconcile net income to net cash used in operating activities:
Provision for credit losses	2,507	3,305
Depreciation and amortization	2,364	2,030
Deferred tax (benefit)/expense	123	524
Other	513	600
Originations and purchases of loans held-for-sale	(57,663)	(68,533)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	64,432	62,724
Net change in:
Trading assets	(272,429)	(231,665)
Securities borrowed	1,656	(19,156)
Accrued interest and accounts receivable	(31,294)	(17,070)
Other assets	(11,614)	7,578
Trading liabilities	35,793	(10,486)
Accounts payable and other liabilities	36,857	1,276
Other operating adjustments	500	2,391
Net cash (used in) operating activities	(211,761)	(251,839)
Net change in:
Federal funds sold and securities purchased under resale agreements	(146,278)	(134,479)
Held-to-maturity securities:
Proceeds from paydowns and maturities	17,343	11,341
Purchases	(19,574)	(1,628)
Available-for-sale securities:
Proceeds from paydowns and maturities	11,705	10,709
Proceeds from sales	42,640	55,847
Purchases	(101,040)	(53,721)
Proceeds from sales and securitizations of loans held-for-investment	11,585	11,960
Other changes in loans, net	(31,078)	(16,134)
All other investing activities, net	(3,072)	(1,971)
Net cash (used in) investing activities	(217,769)	(118,076)
Net change in:
Deposits	120,390	85,029
Federal funds purchased and securities loaned or sold under repurchase agreements	274,236	236,204
Short-term borrowings	3,438	10,817
Beneficial interests issued by consolidated VIEs	(1,322)	(2,431)
Proceeds from long-term borrowings	49,898	29,927
Payments of long-term borrowings	(31,938)	(28,457)
Proceeds from issuance of preferred stock	0	3,000
Redemption of preferred stock	0	(3,000)
Treasury stock repurchased	(8,325)	(7,528)
Dividends paid	(4,374)	(3,823)
All other financing activities, net	(1,326)	(1,679)
Net cash provided by financing activities	400,677	318,059
Effect of exchange rate changes on cash and due from banks and deposits with banks	(2,343)	8,442
Net decrease in cash and due from banks and deposits with banks	(31,196)	(43,414)
Cash and due from banks and deposits with banks at the beginning of the period	343,338	469,317
Cash and due from banks and deposits with banks at the end of the period	312,142	425,903
Cash interest paid	23,414	23,587
Cash income taxes paid, net	$ 917	$ 1,651