Stock-Based Compensation

9 Months Ended

Sep. 30, 2017

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

We issue stock-based incentive awards to our eligible employees and Directors under the 2002 Employee Stock Incentive Plan and a Director Deferred Stock Ownership Plan. The 2002 Employee Stock Incentive Plan permits the granting of nonqualified stock options, stock appreciation rights, performance stock, restricted stock and other stock-based awards.

Stock-based compensation for the periods ended September 30 is as follows:



(in millions)	Three Months				Nine Months
	2017		2016		2017		2016
Stock option expense	$	1	$	2	$	2	$	6
Restricted stock and unit awards expense	23		18		63		48
Total stock-based compensation expense	$	24	$	20	$	65	$	54

During the nine months ended September 30, 2017, the Company granted 0.4 million shares of restricted stock and unit awards, which had a weighted average grant date fair value of $130.24 per share. Total unrecognized compensation expense related to unvested restricted stock and unit awards as of September 30, 2017 was $83 million, which is expected to be recognized over a weighted average period of 1.8 years.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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