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Other Financial Information
 3 Months Ended
Mar. 31, 2022
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 in our consolidated balance sheets:

March 31, 2022December 31, 2021
(Dollars in millions)
Prepaid expenses$63 50
Contract acquisition costs41 43
Contract fulfillment costs31 31
Receivable for sale of land49 56 
Other77
Total other current assets$191 187

Other Noncurrent Liabilities

The following table presents details of other noncurrent liabilities in our consolidated balance sheets:

March 31, 2022December 31, 2021
(Dollars in millions)
Unrecognized tax benefits$439 435
Deferred revenue95 111
Noncurrent operating lease liability59 63
Other64 61
Total other noncurrent liabilities$657 670