Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 12,622	$ 8,282
Adjustments to reconcile net income to net cash used in operating activities:
Provision for credit losses	2,275	1,463
Depreciation and amortization	1,649	1,820
Deferred tax (benefit)/expense	(606)	(730)
Other	1,738	1,200
Originations and purchases of loans held-for-sale	(22,009)	(66,262)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	20,873	75,558
Net change in:
Trading assets	(117,067)	(91,213)
Securities borrowed	(10,460)	(18,979)
Accrued interest and accounts receivable	9,823	(49,719)
Other assets	14,129	1,319
Trading liabilities	3,200	29,993
Accounts payable and other liabilities	(27,847)	64,738
Other operating adjustments	439	613
Net cash (used in) operating activities	(111,241)	(41,917)
Net change in:
Federal funds sold and securities purchased under resale agreements	(1,317)	(40,407)
Held-to-maturity securities:
Proceeds from paydowns and maturities	9,258	9,512
Purchases	(3,621)	(13,223)
Available-for-sale securities:
Proceeds from paydowns and maturities	11,018	11,291
Proceeds from sales	34,554	16,971
Purchases	(26,490)	(45,357)
Proceeds from sales and securitizations of loans held-for-investment	9,230	9,987
Other changes in loans, net	(2,257)	(18,185)
All other investing activities, net	(6,581)	(3,197)
Net cash provided by/(used in) investing activities	23,794	(72,608)
Net change in:
Deposits	33,683	99,691
Federal funds purchased and securities loaned or sold under repurchase agreements	43,722	29,600
Short-term borrowings	(1,876)
Short-term borrowings		4,300
Beneficial interests issued by consolidated VIEs	3,001	52
Proceeds from long-term borrowings	8,750	20,651
Payments of long-term borrowings	(16,171)	(13,094)
Redemption of preferred stock	0	(2,000)
Treasury stock repurchased	(2,690)	(2,455)
Dividends paid	(3,374)	(3,430)
All other financing activities, net	(488)	(543)
Net cash provided by financing activities	64,557	132,772
Effect of exchange rate changes on cash and due from banks and deposits with banks	1,656	(4,549)
Net increase/(decrease) in cash and due from banks and deposits with banks	(21,234)	13,698
Cash and due from banks and deposits with banks at the beginning of the period	567,234	740,834
Cash and due from banks and deposits with banks at the end of the period	546,000	754,532
Cash interest paid	15,287	1,088
Cash income taxes paid, net	$ 1,382	$ 705