Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

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

Stock Option and SAR Activity [Table Text Block]

Stock option and SAR activity for the year ended December 31, 2014 is summarized in the table below:

	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Aggregate Intrinsic Value
	(in millions)				(in years)	(in millions)
Outstanding at beginning of period	41		$	48
Granted	8		71
Exercised	(15	)	47
Forfeited	(1	)	62
Outstanding at end of period	33		53		5.3	$	1,569
Exercisable at end of period	19		45		3.1	1,085
Vested and expected to vest, end of period	32		53		5.3	1,544

Restricted Share Activity [Table Text Block]

Restricted share activity for the year ended December 31, 2014 is summarized in the table below:

(shares in millions)	Shares		Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period	11		$	50
Granted	4		71
Vested	(6	)	46
Nonvested at end of period	9		61

Other Share-Based Compensation Data [Table Text Block]

Other Share-Based Compensation Data

(in millions, except per share amounts)	For the Years Ended December 31,
	2014		2013		2012
Stock Options and SARs
Weighted-average grant date fair value of shares granted, per share	$	22	$	19	$	18
Total intrinsic value of stock options and SARs exercised	526		592		559
Restricted Shares
Weighted-average grant date fair value of shares granted, per share	71		58		52
Total fair value of restricted shares vested	$	437	$	31	$	716
Employee Stock Purchase Plan
Number of shares purchased	2		3		3
Share-Based Compensation Items
Share-based compensation expense, before tax	$	364	$	331	$	421
Share-based compensation expense, net of tax effects	314		239		299
Income tax benefit realized from share-based award exercises	231		206		461

(in millions, except years)	December 31, 2014
Unrecognized compensation expense related to share awards	$	373
Weighted-average years to recognize compensation expense	1.3

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The principal assumptions the Company used in calculating grant-date fair value for stock options and SARs were as follows:

	For the Years Ended December 31,
	2014	2013	2012
Risk-free interest rate	1.7% - 1.8%	1.0% - 1.6%	0.7% - 0.9%
Expected volatility	24.1% - 39.6%	41.0% - 43.0%	43.2% - 44.0%
Expected dividend yield	1.6% - 1.9%	1.4% - 1.6%	1.2% - 1.7%
Forfeiture rate	5.0%	5.0%	5.0%
Expected life in years	5.4	5.3	5.3 - 5.6