Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net income	$ 31,568	$ 27,094
Adjustments to reconcile net income to net cash used in operating activities:
Provision for credit losses	4,936	5,174
Depreciation and amortization	4,006	2,156
Deferred tax benefit	(1,609)	(2,238)
Bargain purchase gain associated with the First Republic acquisition	(103)
Bargain purchase gain associated with the First Republic acquisition		(2,712)
Initial gain on the Visa share exchange	(7,990)	0
Other	1,460	3,008
Originations and purchases of loans held-for-sale	(105,772)	(48,270)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	99,909	47,746
Net change in:
Trading assets	(191,119)	(178,766)
Securities borrowed	1,589	21,835
Accrued interest and accounts receivable	(28,551)	16,107
Other assets	5,463	44,599
Trading liabilities	53,225	(4,846)
Accounts payable and other liabilities	13,163	(24,563)
Other operating adjustments	4,136	1,300
Net cash (used in) operating activities	(115,689)	(92,376)
Net change in:
Federal funds sold and securities purchased under resale agreements	(116,562)	(9,816)
Held-to-maturity securities:
Proceeds from paydowns and maturities	46,800	13,762
Purchases	(1,034)	(4,141)
Available-for-sale securities:
Proceeds from paydowns and maturities	16,742	23,470
Proceeds from sales	61,211	69,875
Purchases	(146,232)	(52,433)
Proceeds from sales and securitizations of loans held-for-investment	29,074	19,526
Other changes in loans, net	(24,568)	(33,353)
Net cash used in the First Republic acquisition	(2,362)	(9,920)
All other investing activities, net	(687)	(11,419)
Net cash (used in)/provided by investing activities	(137,618)	5,551
Net change in:
Deposits	(7,212)	(27,782)
Federal funds purchased and securities loaned or sold under repurchase agreements	184,307	63,590
Short-term borrowings	2,304
Short-term borrowings		(3,135)
Beneficial interests issued by consolidated VIEs	1,628	7,708
Proceeds from long-term borrowings	54,103	19,357
Payments of long-term borrowings	(46,710)	(32,003)
Proceeds from issuance of preferred stock	2,500	0
Redemption of preferred stock	(6,000)	0
Treasury stock repurchased	(8,168)	(5,167)
Dividends paid	(7,270)	(6,651)
All other financing activities, net	(1,076)	(1,275)
Net cash provided by financing activities	168,406	14,642
Effect of exchange rate changes on cash and due from banks and deposits with banks	(8,431)	72
Net decrease in cash and due from banks and deposits with banks	(93,332)	(72,111)
Cash and due from banks and deposits with banks at the beginning of the period	624,151	567,234
Cash and due from banks and deposits with banks at the end of the period	530,819	495,123
Cash interest paid	48,526	35,250
Cash income taxes paid, net	$ 7,610	$ 5,466