CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Other short-term investments	[1]	$ 34,572	$ 33,399
Allowance for loan and lease losses	[1]	(1,892)	(2,453)
Other assets	[1]	11,444	10,749
Other liabilities	[1]	4,267	3,409
Long-term debt	[1]	11,821	14,973
Available-for-sale debt and other securities, amortized cost		36,941	34,982
Held-to-maturity securities		8	11
Bank premises and equipment held for sale		$ 24	35
Interest checking deposits held for sale			$ 351
Common stock, par value (in dollars per share)		$ 2.22	$ 2.22
Common stock, authorized (in shares)		2,000,000,000	2,000,000,000
Common stock, outstanding (in shares)		682,777,664	712,760,325
Treasury stock (in shares)		241,114,917	211,132,256
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		$ (235)	$ (294)
Loans held for sale		1,023	1,481
Loans measured at FV		154	161
Variable Interest Entity, Primary Beneficiary | Automobile Loans
Other short-term investments		24	55
Portfolio loans and leases		322	756
Allowance for loan and lease losses		(2)	(7)
Other assets		2	5
Other liabilities		1	2
Long-term debt		$ 263	$ 656

[1] Includes $24 and $55 of other short-term investments, $322 and $756 of portfolio loans and leases, $(2) and $(7) of ALLL, $2 and $5 of other assets, $1 and $2 of other liabilities and $263 and $656 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2021 and 2020, respectively. For further information, refer to Note 12.