Share-Based Compensation

3 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The Company recognized $19 million of share-based compensation expense in each of the three months ended March 31, 2019 and 2018. The Company’s annual grant of share-based awards generally occurs in the first quarter. During the three months ended March 31, 2019 and 2018, stock options to purchase 1.3 million and 1.6 million shares, respectively, were exercised.

A summary of stock option, restricted stock unit and performance share unit grant activity is as follows:



	Three Months Ended March 31,
	2019			2018
	Shares Granted (In thousands)	Weighted-Average Grant Date Fair Value		Shares Granted (In thousands)	Weighted-Average Grant Date Fair Value
Stock options	1,171	$	28.43	1,193	$	22.40
Restricted stock units	317	84.34		374	69.77
Performance share units	—	—		165	75.39