Incentive Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Incentive Based Compensation Plans [Abstract]

Table of Incentive based compensation activity [Table Text Block]

The following table presents a summary of activity for the first six months of 2016: 

	Stock Options					Restricted Stock Awards & Units
	Number of Shares			Weighted Average Exercise Price		Awards		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2015	12,665,419				$29.97	4,017,344			$30.76
Granted	1,680,000		(a)		$7.22	5,233,984			$7.91
Options Exercised/Stock Vested	—			—		(1,148,953	)		$32.29
Canceled	(973,295	)			$25.76	(557,051	)		$23.20
Outstanding at June 30, 2016	13,372,124				$27.42	7,545,324			$15.23

^(a)    The weighted average grant date fair value of stock option awards granted was $1.97 per share.