CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2025	Dec. 31, 2024
Available-for-sale debt and other securities, amortized cost		$ 43,445	$ 43,878
Debt securities, fair value		11,072	10,965
Bank premises and equipment held for sale		14	14
Other short-term investments	[1]	14,965	17,120
Total portfolio loans and leases	[1]	122,191	119,791
Allowance for loan and lease losses	[1]	(2,384)	(2,352)
Other assets	[1]	12,347	12,857
Other liabilities	[1]	4,816	4,902
Long-term debt	[1]	$ 14,539	$ 14,337
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)		667,272,067	669,853,830
Treasury stock, common (in shares)		256,620,514	254,038,751
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		$ 445	$ 574
Loans measured at FV		109	108
Allowance for loan and lease losses		(139)	(146)
Variable Interest Entity, Primary Beneficiary | Automobile And Solar Loan
Other short-term investments		47	51
Total portfolio loans and leases		874	1,000
Allowance for loan and lease losses		(16)	(19)
Other assets		6	5
Other liabilities		12	12
Long-term debt		$ 774	$ 889

[1] Includes $47 and $51 of other short-term investments, $874 and $1,000 of portfolio loans and leases, $(16) and $(19) of ALLL, $6 and $5 of other assets, $12 and $12 of other liabilities and $774 and $889 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2025 and December 31, 2024, respectively. For further information, refer to Note 7.