Common, Preferred and Treasury Stock (Tables)

12 Months Ended

Dec. 31, 2012

Share Activity Within Common, Preferred and Treasury Stock

The following is a summary of the share activity within common, preferred and treasury stock for the years ended December 31:
		Common Stock			Preferred Stock			Treasury Stock
($ in millions, except share data)		Value	Shares		Value	Shares		Value	Shares
Shares at December 31, 2009	$	1,779	801,504,188	$	3,609	152,771	$	201	6,436,024
Accretion from dividends on preferred shares, Series F		-	-		45	-		-	-
Stock-based awards issued or exercised, including treasury shares issued		-	-		-	-		(6)	16,391
Restricted stock grants		-	-		-	-		(62)	(1,334,967)
Other		-	-		-	-		(3)	114,218
Shares at December 31, 2010	$	1,779	801,504,188	$	3,654	152,771	$	130	5,231,666
Issuance of common shares		272	122,388,393		-	-		-	-
Exchange of preferred shares, Series G		-	-		-	(1)		-	-
Redemption of preferred shares, Series F		-	-		(3,408)	(136,320)		-	-
Accretion from dividends on preferred shares, Series F		-	-		153	-		-	-
Stock-based awards issued or exercised, including treasury shares issued		-	-		-	-		(7)	(336,735)
Restricted stock grants		-	-		-	-		(58)	(756,381)
Other		-	-		(1)			(1)	(50,405)
Shares at December 31, 2011	$	2,051	923,892,581	$	398	16,450	$	64	4,088,145
Shares acquired for treasury		-	-		-	-		627	42,424,014
Stock-based awards issued or exercised, including treasury shares issued		-	-		-	-		(7)	(1,776,508)
Restricted stock grants		-	-		-	-		(47)	(2,877,657)
Other		-	-		-	-		(3)	(117,470)
Shares at December 31, 2012	$	2,051	923,892,581	$	398	16,450	$	634	41,740,524