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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, 2022 |  | December 31, 2021
| (Dollars in millions)
Prepaid expenses | $ | 63 |  |  | 50
Contract acquisition costs | 41 |  |  | 43
Contract fulfillment costs | 31 |  |  | 31
Receivable for sale of land | 49 |  |  | 56 |
Other | 7 |  | 7
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, 2022 |  | December 31, 2021
| (Dollars in millions)
Unrecognized tax benefits | $ | 439 |  |  | 435
Deferred revenue | 95 |  |  | 111
Noncurrent operating lease liability | 59 |  |  | 63
Other | 64 |  |  | 61
Total other noncurrent liabilities | $ | 657 |  |  | 670

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