Incentive Based Compensation (Tables)

3 Months Ended

Mar. 31, 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 three 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	5,230,708			$7.91
Options Exercised/Stock Vested	—			—		(44,096	)		$32.01
Canceled	(181,681	)			$29.69	(220,614	)		$30.00
Outstanding at March 31, 2016	14,163,738				$27.27	8,983,342			$17.47

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