CONDENSED CONSOLIDATED BALANCE SHEETS Unaudited (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Commercial mortgage loans	$ 8,766	[1]	$ 9,103	[1]
Allowance for loan and lease losses	(1,783)	[1]	(1,854)	[1]
Other assets	8,211	[1]	8,204	[1]
Available-for-sale and other securities, amortized cost	14,652		14,571
Held-to-maturity securities, fair value	283		284
Residential mortgage loans held for sale	2,560		2,856
Residential mortgage loans measured at fair value	81		76
Common stock, stated value	$ 2.22		$ 2.22
Common stock, authorized	2,000,000,000		2,000,000,000
Common stock, outstanding	874,644,725		882,152,057
Common stock, treasury shares	49,247,856		41,740,524
Variable Interest Entities
Commercial mortgage loans	50		50
Allowance for loan and lease losses	13		5
Other assets	$ 1		$ 3
Preferred Stock
Preferred stock, authorized	454,000		454,000
Preferred stock Series G
Preferred stock, Convertible	2,159.8272		2,159.8272
Preferred stock, liquidation preference	$ 25,000		$ 25,000
Preferred stock, authorized	46,000		46,000
Preferred stock, issued	16,450		16,450
Preferred stock, outstanding	16,450		16,450

[1] Includes $50 and $50 of commercial mortgage loans, $(13) and $(5) of ALLL, $1 and $3 of other assets from consolidated VIEs that are included in their respective captions above at March 31, 2013 and December 31, 2012, respectively. See Note 8.