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

9 Months Ended

Sep. 30, 2018

Summary of Performance-Based Option Activity

Performance-based option activity under the 2007 SIP and the 2013 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		(633,606	)		(13.46	)		—		—
Forfeited or expired		(8,358	)		(13.46	)		—		—
Performance-based options outstanding at September 30, 2018		396,183		$	13.50			3.4	$	11.3
Performance-based options exercisable at September 30, 2018		396,183		$	13.50			3.4	$	11.3

Summary of Term-Based Option Activity

Term-based option activity, including stock options under the 2007 SIP, the 2013 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		5,140,787			22.84			—		—
Exercised		(1,127,360	)		(13.73	)		—		—
Forfeited or expired		(166,747	)		(17.09	)		—		—
Term-based options outstanding at September 30, 2018		14,840,861		$	18.66			7.6	$	346.8
Term-based options exercisable at September 30, 2018		6,868,950		$	16.70			5.8	$	174.0

Summary of Restricted Stock Units

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

	Shares
RSUs outstanding at December 31, 2017		605,990
Granted		159,323
Shares issued upon vesting of RSUs		(105,990	)
Forfeited or canceled		—
RSUs outstanding at September 30, 2018		659,323
RSUs releasable at September 30, 2018		125,000