Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the status of stock options is presented below (options in thousands, aggregate intrinsic value in millions):

	Options		Weighted Average Exercise Prices		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Balance at December 31, 2012	6,931		$	59.00	4.47	$	213
Granted	1		114.75
Exercised	(1,482	)	56.15
Balance at December 31, 2013	5,450		$	59.78	3.77	$	320
Options exercisable at December 31, 2013	5,449		$	59.77	3.77	$	320