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Other Financial Information | 9 Months Ended
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Sep. 30, 2019
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, 2019 |  | December 31, 2018
| (Dollars in millions)
Prepaid expenses | $ | 352 |  |  | 307 |
Income tax receivable | 5 |  |  | 82 |
Materials, supplies and inventory | 137 |  |  | 120 |
Contract assets | 51 |  |  | 52 |
Contract acquisition costs | 175 |  |  | 167 |
Contract fulfillment costs | 111 |  |  | 82 |
Other | 53 |  |  | 108 |
Total other current assets | $ | 884 |  |  | 918 |

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