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Other Financial Information
 9 Months Ended
Sep. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Financial Information Other Financial Information
Other Current Assets

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

September 30, 2021December 31, 2020
(Dollars in millions)
Prepaid expenses$108 106 
Contract fulfillment costs48 63 
Contract acquisition costs44 47 
Contract assets29 34 
Other9 47 
Total other current assets$238 297