Share-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2012

Share-Based Compensation Plans

Share-based compensation expense recognized in continuing operations

	Three months ended				Six months ended
	June 30,				June 30,
(in millions)	2012		2011		2012		2011
Restricted share units (“RSUs”)	$	34	$	33	$	83	$	78
Performance share awards (“PSAs”)	13		10		15		35
Share options	1		2		3		5
Employee share purchase plans	2		2		4		3
Total share-based compensation expense	$	50	$	47	$	105	$	121

Restricted share unit activity

	Six months ended June 30,
	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	4,706		45		3,124		52
Vested	(2,986	)	42		(4,550	)	39
Forfeited	(356	)	44		(283	)	40
Non-vested at end of period	11,280		44		8,965		42

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

Performance-based plans

	As of June 30,		As of December 31,		As of December 31,
(shares in thousands, dollars in millions, except fair value)	2012		2011		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		$	1,245
Unamortized expense, based on current performance levels	$	58	$	30	$	8

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

Share options and related information

	Six months ended June 30,
	2012				2011
(shares in thousands)	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
Beginning outstanding	9,116		$	32	13,919		$	32
Granted	—		—		80		53
Exercised	(1,584	)	33		(3,554	)	32
Forfeited and expired	(51	)	37		(216	)	37
Outstanding at end of period	7,481		32		10,229		32
Exercisable at end of period	6,931		31		8,804		30

Other information related to the company's share options

	Three months ended				Six months ended
	June 30,				June 30,
(in millions)	2012		2011		2012		2011
Aggregate intrinsic value of share options exercised	$	11	$	24	$	24	$	65
Cash received from the exercise of share options	14		39		51		121
Tax benefit realized from the exercise of share options	1		5		2		12