Share-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2012

Share-Based Compensation Plans

Share-based compensation expense recognized in continuing operations

	Threemonthsended				Ninemonthsended
	September30,				September30,
(in millions)	2012		2011		2012		2011
Restricted stock units ("RSUs")	$	37	$	31	$	120	$	108
Performance share awards ("PSAs")	15		24		30		59
Stock options	1		2		4		7
Employee stock purchase plans	2		2		6		5
Total stock-based compensation expense	$	55	$	59	$	160	$	179

Restricted share unit activity

	NinemonthsendedSeptember30,
	2012				2011
(shares in thousands)	Shares		Fair Value(1)		Shares		Fair Value(1)
Non-vested at beginning of period	9,916		$	42	10,674		$	38
Granted	4,888		46		3,366		51
Vested	(3,343	)	42		(3,385	)	39
Forfeited	(516	)	44		(410	)	39
Non-vested at end of period	10,945		44		10,245		42

(1)Represents per share weighted average fair value of award at date of grant

Performance-based plans

(shares in thousands, dollars in millions, except fair value)	Asof September30, 2012		As of December 31,2011		As of December 31, 2010
Target PSAs granted	1,369		1,715		1,390
Fair value (1)	$	47	$	50	$	39
Number of shares that would be issued based on current performance levels	1,367		1,131		1,241
Unamortized expense, based on current performance levels	$	52	$	25	$	4

(1)Represents per share weighted average fair value of award at date of grant.

Share options and related information

	NinemonthsendedSeptember30,
	2012				2011
(shares in thousands)	Shares		Weighted-Average ExercisePrice		Shares		Weighted-Average ExercisePrice
Beginning outstanding	9,116		$	32	13,919		$	32
Granted	-		-		80		53
Exercised	(2,570	)	31		(3,781	)	32
Forfeited and expired	(67	)	37		(300	)	37
Outstanding at end of period	6,479		32		9,918		32
Exercisable at end of period	5,969		31		8,566		30

Other information related to the company's share options

	Threemonthsended				Ninemonthsended
	September30,				September30,
(in millions)	2012		2011		2012		2011
Aggregate intrinsic value of stock options exercised	$	23	$	4	$	47	$	69
Cash received from the exercise of stock options	29		8		80		129
Tax benefit realized from the exercise of stock options	5		-		8		12