Share-Based Compensation (Tables) - HCM Share Based Compensation Plans [Member]

6 Months Ended

Jun. 30, 2018

Performance-based option activity under the 2007 SIP and the 2013 HCM SIP for the period was as follows:


	Shares			Weighted Average Exercise Price (per share)			Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in millions)
Performance-based options outstanding at December 31, 2017		1,038,147		$	13.46			3.5	$	—
Granted		—			—			—		—
Exercised		(546,609	)		(13.46	)		—		—
Forfeited or expired		(8,358	)		(13.46	)		—		—

Performance-based options outstanding at June 30, 2018		483,180		$	13.49			3.4	$	9.5
Performance-based options exercisable at June 30, 2018		483,180		$	13.49			3.4	$	9.5

Term-based option activity, including stock options under the 2007 SIP, the 2013 HCM SIP and the 2018 EIP, for the period was as follows:


	Shares			Weighted Average Exercise Price (per share)			Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in millions)
Term-based options outstanding at December 31, 2017		10,994,181		$	16.52			6.9	$	48.8
Granted		4,822,517			21.96			—		—
Exercised		(623,511	)		(13.95	)		—		—
Forfeited or expired		(136,434	)		(17.10	)		—		—

Term-based options outstanding at June 30, 2018		15,056,753		$	18.37			7.6	$	223.1
Term-based options exercisable at June 30, 2018		7,364,017		$	16.48			5.8	$	123.1

Restricted stock units (“RSUs”) activity, including RSUs under the 2013 HCM SIP and the 2018 EIP, for the period was as follows:


	Shares
RSUs outstanding at December 31, 2017		605,990
Granted		27,955
Shares issued upon vesting of RSUs		(105,990	)
Forfeited or canceled		—

RSUs outstanding at June 30, 2018		527,955
RSUs releasable at June 30, 2018		125,000