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Stock and Incentive Programs for Employees and Directors (Tables)

12 Months Ended

Dec. 31, 2018

Stock option awards as of December 31, 2018 and 2017, and changes during the year ended December 31, 2018 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, 2017		1,257		$	32.28		1.6	$	—
Cancelled/forfeited/expired		(518	)		49.78
Outstanding at December 31, 2018		739			19.99		1.4		—
Vested and exercisable at December 31, 2018		739		$	19.99		1.4	$	—

Nonvested restricted stock unit awards as of December 31, 2018 and 2017, and changes during the year ended December 31, 2018 were as follows:

	Shares (thousands)			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2017		1,082		$	16.43
Granted		821			6.19
Vested		(554	)		14.77
Forfeited		(38	)		16.64
Nonvested at December 31, 2018		1,311		$	10.71

Nonvested performance share unit awards as of December 31, 2018 and 2017, and changes during the year ended December 31, 2018, were as follows:

	Shares (thousands)			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2017		321		$	16.34
Granted		683			6.10
Vested		(33	)		16.73
Forfeited		(31	)		16.30
Nonvested at December 31, 2018		940		$	8.89

Phantom stock unit awards as of December 31, 2018 and changes during the year ended December 31, 2018, were as follows:

	Shares (thousands)			Weighted Average Grant Date Fair Value
Granted		826		$	8.73
Forfeited		(64	)		8.73
Nonvested at December 31, 2018		762		$	8.73