Other Financial Information

12 Months Ended

Dec. 31, 2018

Additional Financial Information Disclosure [Abstract]

Other Financial Information

Other Financial Information

Other Current Assets

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

	As of December 31,
	2018		2017
	(Dollars in millions)
Prepaid expenses	$	37	42
Contract acquisition costs	52		—
Contract fulfillment costs	27		49
Other	31		7
Total other current assets	$	147	98