CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Securities borrowed or purchased under agreements to resell, at fair value	$ 317,970	$ 345,700
Trading account assets, pledged to creditors	210,375	197,156
Available-for-sale securities, pledged to creditors	2,859	11,868
Held-to-maturity debt securities, fair value	230,283	235,001
Held-to-maturity debt securities, pledged to creditors	87	71
Equity securities, at fair value	696	766
Loans, net of unearned income, at fair value	687,722	689,362
Mortgage servicing rights, at fair value	709	691
Other assets, at fair value	99,569	95,963
Securities loaned or sold under agreements to repurchase, at fair value	305,206	278,107
Brokerage payables, at fair value	73,621	63,539
Short-term borrowings, at fair value	38,694	37,457
Long-term debt, at fair value	$ 280,321	$ 286,619
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, authorized shares (in shares)	30,000,000	30,000,000
Preferred stock, issued shares, at aggregate liquidation value (in shares)	724,000	704,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares (in shares)	6,000,000,000	6,000,000,000
Common stock, issued shares (in shares)	3,099,718,745	3,099,691,704
Treasury stock (in shares)	1,191,923,520	1,196,577,865
Recurring
Deposits, at fair value	$ 3,400	$ 2,440
Consumer loans
Loans, net of unearned income, at fair value	386,117	389,197
Corporate loans
Loans, net of unearned income, at fair value	301,605	300,165
Fair value
Securities borrowed or purchased under agreements to resell, at fair value	178,062	206,059
Other assets, at fair value	14,981	12,290
Securities loaned or sold under agreements to repurchase, at fair value	69,768	62,485
Brokerage payables, at fair value	5,385	4,321
Short-term borrowings, at fair value	11,744	6,545
Long-term debt, at fair value	109,406	116,338
Fair value | Consumer loans
Loans, net of unearned income, at fair value	294	313
Fair value | Corporate loans
Loans, net of unearned income, at fair value	$ 8,232	$ 7,281