Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net income	$ 44,466	$ 40,245
Adjustments to reconcile net income to net cash used in operating activities:
Provision for credit losses	8,047	6,558
Depreciation and amortization	5,973	4,175
Deferred tax benefit	(243)	(4,544)
Estimated bargain purchase gain associated with the First Republic acquisition	(103)
Estimated bargain purchase gain associated with the First Republic acquisition		(2,812)
Initial gain on the Visa share exchange	(7,990)	0
Other	1,716	3,611
Originations and purchases of loans held-for-sale	(160,573)	(83,534)
Proceeds from sales, securitizations and paydowns of loans held-for-sale	148,287	83,169
Net change in:
Trading assets	(237,756)	(151,151)
Securities borrowed	(51,688)	(2,852)
Accrued interest and accounts receivable	(15,491)	(166)
Other assets	(1,470)	39,371
Trading liabilities	53,495	30,787
Accounts payable and other liabilities	17,399	(11,955)
Other operating adjustments	6,161	1,841
Net cash (used in) operating activities	(189,770)	(47,257)
Net change in:
Federal funds sold and securities purchased under resale agreements	(114,402)	(34,101)
Held-to-maturity securities:
Proceeds from paydowns and maturities	72,354	34,152
Purchases	(2,358)	(4,141)
Available-for-sale securities:
Proceeds from paydowns and maturities	22,409	39,160
Proceeds from sales	84,394	82,922
Purchases	(233,063)	(82,075)
Proceeds from sales and securitizations of loans held-for-investment	43,793	34,541
Other changes in loans, net	(52,997)	(60,094)
Net cash used in the First Republic acquisition	(2,362)	(9,920)
All other investing activities, net	1,209	(12,683)
Net cash (used in) investing activities	(181,023)	(12,239)
Net change in:
Deposits	22,266	(43,083)
Federal funds purchased and securities loaned or sold under repurchase agreements	172,755	66,050
Short-term borrowings	5,355	1,303
Beneficial interests issued by consolidated VIEs	(3)	10,823
Proceeds from long-term borrowings	78,949	42,817
Payments of long-term borrowings	(67,380)	(48,757)
Proceeds from issuance of preferred stock	2,500	0
Redemption of preferred stock	(8,250)	0
Treasury stock repurchased	(14,529)	(7,549)
Dividends paid	(10,925)	(10,037)
All other financing activities, net	(1,586)	(1,241)
Net cash provided by financing activities	179,152	10,326
Effect of exchange rate changes on cash and due from banks and deposits with banks	1,750	(6,695)
Net decrease in cash and due from banks and deposits with banks	(189,891)	(55,865)
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	434,260	511,369
Cash interest paid	74,794	55,775
Cash income taxes paid, net	$ 8,870	$ 5,541