CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Other short-term investments	[1]	$ 22,840	$ 22,082
Portfolio loans and leases		116,485	117,234
Allowance for loan and lease losses	[1]	(2,318)	(2,322)
Other assets	[1]	12,930	12,538
Other liabilities	[1]	5,379	4,861
Long-term debt	[1]	15,444	16,380
Available-for-sale debt and other securities, amortized cost		43,400	55,789
Debt securities, fair value		11,341	2
Bank premises and equipment held for sale		$ 16	$ 19
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)		683,812,363	681,124,810
Treasury stock, common (in shares)		240,080,218	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
Allowance for loan and lease losses		$ (140)	$ (145)
Loans held for sale		307	334
Loans measured at FV		113	116
Variable Interest Entity, Primary Beneficiary | Automobile And Solar Loan
Other short-term investments		48	55
Portfolio loans and leases		1,420	1,573
Allowance for loan and lease losses		(26)	(28)
Other assets		29	10
Other liabilities		25	14
Long-term debt		$ 1,274	$ 1,409

[1] Includes $48 and $55 of other short-term investments, $1,420 and $1,573 of portfolio loans and leases, $(26) and $(28) of ALLL, $29 and $10 of other assets, $25 and $14 of other liabilities and $1,274 and $1,409 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2024 and December 31, 2023, respectively. For further information, refer to Note 11.