Consolidated Statement of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income (loss) before noncontrolling interests		$ 14,702	$ 15,519
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		3,239	4,117
Changes in fair value of MSRs and LHFS carried at fair value		542	188
Depreciation, amortization and accretion		5,574	4,777
Deferred income tax expense (benefit)		(1,468)	738
Other, net		3,814	(53)
Originations and purchases of loans held for sale		(26,463)	(23,012)
Proceeds from sales of and paydowns on loans originally classified as held for sale		20,731	20,340
Net change in:
Debt and equity securities, held for trading		(22,547)	2,656
Derivative assets and liabilities		(5,757)	4,684
Other assets		(1,006)	(6,184)
Other accrued expenses and liabilities		2,770	(1,614)
Net cash provided (used) by operating activities		(5,869)	22,156
Net change in:
Federal funds sold and securities purchased under resale agreements		(24,786)	(2,704)
Available-for-sale debt securities:
Proceeds from sales		15,207	13,992
Paydowns and maturities		26,256	10,730
Purchases		(72,618)	(21,480)
Held-to-maturity debt securities:
Paydowns and maturities		19,608	13,880
Purchases		0	(4,225)
Equity securities, not held for trading:
Proceeds from sales and capital returns		3,004	1,680
Purchases		(4,913)	(3,407)
Loans:
Loans originated by banking subsidiaries, net of principal collected		21,768	8,477
Proceeds from sales of loans originally classified as held for investment		2,472	3,147
Purchases of loans		(402)	(1,365)
Principal collected on nonbank entities’ loans		2,776	3,748
Loans originated by nonbank entities		(2,542)	(3,053)
Other, net		(417)	854
Net cash provided (used) by investing activities		(14,587)	20,274
Net change in:
Deposits		(8,527)	(29,975)
Short-term borrowings		22,335	42,185
Long-term debt:
Proceeds from issuance		24,874	33,444
Repayment		(48,776)	(16,248)
Preferred stock:
Proceeds from issuance		1,997	1,722
Redeemed		(2,840)	(1,725)
Cash dividends paid		(792)	(796)
Common stock:
Repurchased		(15,448)	(9,501)
Cash dividends paid		(3,808)	(3,524)
Other, net		(483)	(453)
Net cash provided (used) by financing activities		(31,468)	15,129
Net change in cash, cash equivalents, and restricted cash		(51,924)	57,559
Cash, cash equivalents, and restricted cash at beginning of period	[1]	236,052	159,157
Cash, cash equivalents, and restricted cash at end of period	[1]	184,128	216,716
Supplemental cash flow disclosures:
Cash paid for interest		33,087	20,882
Net cash paid (refunded) for income taxes		$ 106	$ (1,936)

[1] Includes Cash and due from banks and Interest-earning deposits with banks on our consolidated balance sheet and excludes time deposits, which are included in Interest-earning deposits with banks.