Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

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

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

A summary of the total compensation expense and associated income tax benefits recognized under all plans, including the cost of stock options, RSUs and PSUs, is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(In millions)	2016			2015			2016			2015
Compensation expense	$	6		$	5		$	12		$	8
Income tax benefit	(2		)	(2		)	(5		)	(3		)
Total	$	4		$	3		$	7		$	5