Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

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 2019 and 2018:

	Three Months Ended March 31,
(Dollars in millions)	2019		2018
Share-based compensation	$	8	$	13
Related tax benefit	—		—