Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

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

We recognized the following employee share-based compensation expense during the third quarter and first nine months of 2019 and 2018:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in millions)	2019		2018		2019		2018
Share-based compensation	$	5	$	11	$	19	$	38
Related tax benefit	—		—		—		—