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Other Financial Information (Tables)
9 Months Ended
Sep. 30, 2017
Additional Financial Information Disclosure [Abstract]  
Schedule of components of other current assets
The following table presents details of other current assets in our consolidated balance sheets:
 
As of
September 30, 2017
 
As of
December 31, 2016
 
(Dollars in millions)
Prepaid expenses
$
245

 
206

Materials, supplies and inventory
131

 
134

Deferred activation and installation charges
109

 
101

Other
154

 
106

Total other current assets
$
639

 
547

Schedule of current liabilities including accounts payable and other current liabilities
Current liabilities reflected in our consolidated balance sheets include accounts payable and other current liabilities as follows:
 
As of
September 30, 2017
 
As of
December 31, 2016
 
(Dollars in millions)
Accounts payable
$
939

 
1,179

Other current liabilities:
 
 
 
Accrued rent
$
32

 
31

Legal contingencies
36

 
30

Other
148

 
152

Total other current liabilities
$
216

 
213