Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based compensation expense recognized in continuing operations

The following table summarizes share-based compensation expense recognized in the Consolidated Statements of Income in Compensation and benefits (in millions):

Years ended December 31	2015		2014		2013
Restricted share units ("RSUs")	$	201	$	187	$	174
Performance share awards ("PSAs")	127		132		117
Share options	—		—		2
Employee share purchase plans	11		9		7
Total share-based compensation expense	339		328		300
Tax benefit	95		94		81
Share-based compensation expense, net of tax	$	244	$	234	$	219

Restricted share unit activity

A summary of the status of the Company's RSUs is as follows (shares in thousands):

Years ended December 31	2015				2014				2013
	Shares		Fair Value (1)		Shares		Fair Value (1)		Shares		Fair Value (1)
Non-vested at beginning of year	8,381		$	63	9,759		$	51	10,432		$	44
Granted	2,459		97		2,844		84		3,714		62
Vested	(3,385	)	58		(3,732	)	49		(3,945	)	44
Forfeited	(288	)	71		(490	)	58		(442	)	47
Non-vested at end of year	7,167		77		8,381		63		9,759		51

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

Performance-based plans

Information regarding the Company's target PSAs granted and shares that would be issued at current performance levels for PSAs granted during the years ended December 31, 2015, 2014 and 2013, respectively, is as follows (shares in thousands, dollars in millions, except fair value):

	2015		2014		2013
Target PSAs granted	993		816		1,135
Weighted average fair value per share at date of grant	$	96	$	81	$	58
Number of shares that would be issued based on current performance levels	982		1,591		2,191
Unamortized expense, based on current performance levels	$	67	$	45	$	—

Share options and related information

A summary of the status of the Company's share options and related information is as follows (shares in thousands):

Years ended December 31	2015				2014				2013
	Shares		Weighted-Average Exercise Price Per Share		Shares		Weighted-Average Exercise Price Per Share		Shares		Weighted-Average Exercise Price Per Share
Beginning outstanding	2,300		$	32	3,462		$	32	5,611		$	32
Granted	—		—		—		—		—		—
Exercised	(1,450	)	27		(1,155	)	33		(2,116	)	32
Forfeited and expired	(13	)	39		(7	)	37		(33	)	34
Outstanding at end of year	837		40		2,300		32		3,462		32
Exercisable at end of year	837		40		2,273		32		3,270		32
Shares available for grant	12,179				16,333				11,330

Summary of options outstanding and exercisable

A summary of options outstanding and exercisable as of December 31, 2015 is as follows (shares in thousands):

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Shares Outstanding	Weighted-Average Remaining Contractual Life (years)	Weighted-Average Exercise Price Per Share		Shares Exercisable	Weighted-Average Remaining Contractual Life (years)	Weighted-Average Exercise Price Per Share
19.54 - 25.51	79	2.18	$	20.18	79	2.18	$	20.18
25.52 - 32.53	25	1.93	29.15		25	1.93	29.15
32.54 - 36.88	160	1.14	35.77		160	1.14	35.77
36.89 - 43.44	247	3.12	39.32		247	3.12	39.32
43.45 - 52.93	326	2.46	48.26		326	2.46	48.26
	837				837

Other information related to the company's share options

Other information related to the Company's share options is as follows (in millions):

	2015		2014		2013
Aggregate intrinsic value of stock options exercised	$	104	$	61	$	73
Cash received from the exercise of stock options	40		38		61
Tax benefit realized from the exercise of stock options	36		16		15