CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions		Sep. 30, 2024	Dec. 31, 2023
Available-for-sale debt and other securities, amortized cost		$ 43,754	$ 55,789
Debt securities, fair value		11,554	2
Bank premises and equipment held for sale		24	19
Other short-term investments	[1]	21,729	22,082
Total portfolio loans and leases	[1]	116,668	117,234
Allowance for loan and lease losses	[1]	(2,305)	(2,322)
Other assets	[1]	11,587	12,538
Other liabilities	[1]	4,471	4,861
Long-term debt	[1]	$ 17,096	$ 16,380
Common stock, par value (in dollars per share)		$ 2.22	$ 2.22
Common stock, shares authorized (in shares)		2,000,000,000	2,000,000,000
Common stock, outstanding (in shares)		676,268,732	681,124,810
Treasury stock, common (in shares)		247,623,849	242,767,771
Preferred stock, authorized (in shares)		500,000	500,000
Preferred stock, unissued (in shares)		422,000	422,000
Preferred stock, liquidation preference per share (in dollars per share)		$ 25,000	$ 25,000
Preferred Class B
Preferred stock, authorized (in shares)		500,000	500,000
Preferred stock, unissued (in shares)		300,000	300,000
Preferred stock, liquidation preference per share (in dollars per share)		$ 1,000	$ 1,000
Residential Mortgage
Loans held for sale		$ 512	$ 334
Loans measured at FV		114	116
Allowance for loan and lease losses		(143)	(145)
Variable Interest Entity, Primary Beneficiary | Automobile And Solar Loan
Other short-term investments		50	55
Total portfolio loans and leases		1,131	1,573
Allowance for loan and lease losses		(21)	(28)
Other assets		8	10
Other liabilities		13	14
Long-term debt		$ 1,008	$ 1,409

[1] Includes $50 and $55 of other short-term investments, $1,131 and $1,573 of portfolio loans and leases, $(21) and $(28) of ALLL, $8 and $10 of other assets, $13 and $14 of other liabilities and $1,008 and $1,409 of long-term debt from consolidated VIEs that are included in their respective captions above at September 30, 2024 and December 31, 2023, respectively. For further information, refer to Note 12.