Other Financial Information (Tables)

3 Months Ended

Mar. 31, 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:

	March 31, 2019		December 31, 2018
	(Dollars in millions)
Prepaid expenses	$	386	307
Income tax receivable	69		82
Materials, supplies and inventory	154		120
Contract assets	58		52
Contract acquisition costs	173		167
Contract fulfillment costs	88		82
Other	98		108
Total other current assets	$	1,026	918

Schedule of current liabilities including accounts payable and other current liabilities

	March 31, 2019		December 31, 2018
	(Dollars in millions)
Prepaid expenses	$	386	307
Income tax receivable	69		82
Materials, supplies and inventory	154		120
Contract assets	58		52
Contract acquisition costs	173		167
Contract fulfillment costs	88		82
Other	98		108
Total other current assets	$	1,026	918