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Other Financial Information (Tables) | 6 Months Ended
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Jun. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of components other current assets | The following table presents details of other current assets in our consolidated balance sheets:
| June 30, 2022 |  | December 31, 2021
| (Dollars in millions)
Prepaid expenses | $ | 57 |  |  | 50
Contract acquisition costs | 40 |  |  | 43
Contract fulfillment costs | 31 |  |  | 31
Receivable for sale of land | — |  |  | 56 |
Other | 6 |  |  | 7
Total other current assets | $ | 134 |  |  | 187
Other Noncurrent Liabilities | The following table presents details of other noncurrent liabilities in our consolidated balance sheets:
| June 30, 2022 |  | December 31, 2021
| (Dollars in millions)
Unrecognized tax benefits | $ | 443 |  |  | 435
Deferred revenue | 90 |  |  | 111
Noncurrent operating lease liability | 57 |  |  | 63
Other | 66 |  |  | 61
Total other noncurrent liabilities | $ | 656 |  |  | 670

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