Other Financial Information (Tables)

9 Months Ended

Sep. 30, 2016

Additional Financial Information Disclosure [Abstract]

Schedule of components other current assets

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

	As of   September 30, 2016		As of   December 31, 2015
	(Dollars in millions)
Prepaid expenses	$	66	46
Other	69		77
Total other current assets	$	135	123

Schedule of selected current liabilities

Current liabilities reflected in our consolidated balance sheets include accounts payable:

	As of   September 30, 2016		As of   December 31, 2015
	(Dollars in millions)
Accounts payable	$	377	369