CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Other short-term Investments	[1]	$ 20,529	$ 34,572
ALLL	[1]	(1,908)	(1,892)
Other assets	[1]	12,961	11,444
Other liabilities	[1]	7,263	4,267
Long-term debt	[1]	10,815	11,821
Available-for-sale debt and other securities, amortized cost		50,171	36,941
Held-to-maturity securities		6	8
Bank premises and equipment held for sale		$ 25	$ 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)		685,905,240	682,777,664
Treasury stock, shares (in shares)		237,987,341	241,114,917
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
ALLL		$ (239)	$ (235)
Loans held for sale		858	1,023
Loans measured at FV		145	154
Variable Interest Entity, Primary Beneficiary | Automobile loan
Other short-term Investments		24	24
Portfolio loans and leases		266	322
ALLL		(2)	(2)
Other assets		2	2
Other liabilities			1
Long-term debt		$ 209	$ 263

[1] Includes $24 and $24 of other short-term investments, $266 and $322 of portfolio loans and leases, $(2) and $(2) of ALLL, $2 and $2 of other assets, an immaterial amount and $1 of other liabilities, and $209 and $263 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2022 and December 31, 2021, respectively. For further information, refer to Note 11.