CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Other short-term investments	[1]	$ 9,794	$ 8,351
Portfolio loans and leases		122,857	121,480
Allowance for loan and lease losses	[1]	(2,215)	(2,194)
Other assets	[1]	12,880	13,459
Other liabilities	[1]	5,307	5,881
Long-term debt	[1]	12,893	13,714
Available-for-sale debt and other securities, amortized cost		55,958	57,530
Held-to-maturity securities		2	5
Bank premises and equipment held for sale		$ 22	$ 24
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)		680,536,608	683,385,880
Treasury stock, common (in shares)		243,355,973	240,506,701
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		$ (185)	$ (245)
Loans held for sale		599	600
Loans measured at FV		128	123
Variable Interest Entity, Primary Beneficiary | Automobile And Solar Loan
Other short-term investments		5	17
Portfolio loans and leases		44	185
Allowance for loan and lease losses		(1)	(2)
Other assets		0	2
Other liabilities		9	9
Long-term debt		$ 38	$ 118

[1] Includes $5 and $17 of other short-term investments, $44 and $185 of portfolio loans and leases, $(1) and $(2) of ALLL, $0 and $2 of other assets, $9 and $9 of other liabilities, and $38 and $118 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2023 and December 31, 2022, respectively. For further information, refer to Note 12.