Incentive Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Incentive Based Compensation Plans [Abstract]

Table of Incentive based compensation activity [Table Text Block]

The following table presents a summary of stock option and restricted stock award activity for the first six months of 2015: 

	Stock Options					Restricted Stock
	Number of Shares			Weighted Average Exercise Price		Awards		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2014	13,427,836				$29.68	3,448,353			$34.04
Granted	724,082		(a)		$29.06	2,668,357			$30.53
Options Exercised/Stock Vested	(480,458	)			$16.47	(921,404	)		$34.29
Canceled	(455,855	)			$34.48	(491,739	)		$33.70
Outstanding at June 30, 2015	13,215,605				$29.97	4,703,567			$32.04

^(a)    The weighted average grant date fair value of stock option awards granted was $6.84 per share.