Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2019

Additional Financial Information Disclosure [Abstract]

Schedule of other current assets

The following table presents details of other current assets in our consolidated balance sheets:

	As of December 31,
	2019		2018
	(Dollars in millions)
Prepaid expenses	$	41	37
Contract acquisition costs	50		52
Contract fulfillment costs	28		27
Other	9		31
Total other current assets	$	128	147