Stock and Incentive Programs for Employees and Directors (Tables)

12 Months Ended

Dec. 31, 2016

Stock option awards as of December 31, 2016 and 2015, and changes during the year ended December 31, 2016 were as follows:

	Shares Under Option (thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (millions)
Outstanding at December 31, 2015		3,707		$	19.66		3.6	$	8.4
Exercised		(85	)		13.23
Cancelled/forfeited/expired		(3	)		15.77
Equitable adjustment		(2,068	)		28.50
Outstanding at December 31, 2016		1,551			37.19		2.2		1.7
Vested and exercisable at December 31, 2016		1,551		$	37.19		2.2	$	1.7

Nonvested restricted stock unit awards as of December 31, 2016 and 2015, and changes during the year ended December 31, 2016 were as follows:

	Shares (thousands)			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2015		1,670		$	13.72
Granted		1,746			14.97
Vested		(730	)		12.37
Forfeited		(118	)		14.56
Equitable adjustment		(1,735	)		13.77
Nonvested at December 31, 2016		833		$	17.23

Nonvested performance share unit awards as of December 31, 2016 and 2015, and changes during the year ended December 31, 2016, were as follows:

	Shares (thousands)			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2015		732		$	16.61
Forfeited		(46	)		16.67
Vested		(95	)		16.46
Equitable adjustment		(554	)		16.59
Nonvested at December 31, 2016		37		$	16.73