Other Financial Information (Tables)

6 Months Ended

Jun. 30, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of components of other current assets

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

	June 30, 2019		December 31, 2018
	(Dollars in millions)
Prepaid expenses	$	371	307
Income tax receivable	87		82
Materials, supplies and inventory	151		120
Contract assets	57		52
Contract acquisition costs	174		167
Contract fulfillment costs	105		82
Other	66		108
Total other current assets	$	1,011	918