Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

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

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

We recognized the following employee share-based compensation expense during the first quarter of 2016 and 2015:

	Three Months Ended March 31,
(Dollars in millions)	2016		2015
Share-based compensation	$	21	$	15
Related tax benefit	4		3