Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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, 2013 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	63		$	45
Granted	8		58
Exercised	(28	)	44
Forfeited	(2	)	55
Outstanding at end of period	41		48		4.5	$	1,121
Exercisable at end of period	30		46		3.1	879
Vested and expected to vest, end of period	40		48		4.5	1,110

Restricted Share Activity [Table Text Block]

Restricted share activity for the year ended December 31, 2013 is summarized in the table below:

(shares in millions)	Shares		Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period	9		$	46
Granted	4		58
Vested	(1	)	38
Forfeited	(1	)	51
Nonvested at end of period	11		50

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,
	2013		2012		2011
Stock Options and SARs
Weighted-average grant date fair value of shares granted, per share	$	19	$	18	$	15
Total intrinsic value of stock options and SARs exercised	592		559		327
Restricted Shares
Weighted-average grant date fair value of shares granted, per share	58		52		42
Total fair value of restricted shares vested	$	31	$	716	$	113
Employee Stock Purchase Plan
Number of shares purchased	3		3		3
Share-Based Compensation Items
Share-based compensation expense, before tax	$	331	$	421	$	401
Share-based compensation expense, net of tax effects	239		299		260
Income tax benefit realized from share-based award exercises	206		461		170

(in millions, except years)	December 31, 2013
Unrecognized compensation expense related to share awards	$	310
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:

	2013	2012	2011
Risk-free interest rate	1.0% - 1.6%	0.7% - 0.9%	0.9% - 2.3%
Expected volatility	41.0% - 43.0%	43.2% - 44.0%	44.3% - 45.1%
Expected dividend yield	1.4% - 1.6%	1.2% - 1.7%	1.0% - 1.4%
Forfeiture rate	5.0%	5.0%	5.0%
Expected life in years	5.3	5.3 - 5.6	4.9 - 5.0