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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Summary of Data Related to our Transactions with U.S. and U.K. Governmental Agencies | The following tables present summarized data related to our transactions with U.S. and U.K governmental agencies.
Revenues and percentage of consolidated revenues from major customers:
| Years ended December 31,
Dollars in millions | 2021 |  | 2020 |  | 2019
U.S. government | $ | 5,122 |  | 70 | % |  | $ | 3,079 |  | 53 | % |  | $ | 3,014 |  | 53 | %
U.K. government | $ | 508 |  | 7 | % |  | $ | 573 |  | 10 | % |  | $ | 659 |  | 12 | %
Accounts receivable and percentage of consolidated accounts receivable from major customers: |  |  |  |  |
| December 31,
Dollars in millions | 2021 |  | 2020 |  |
U.S. government | $ | 1,062 |  | 75 | % |  | $ | 501 |  | 56 | % |  |
U.K. government | $ | 81 |  | 6 | % |  | $ | 47 |  | 5 | % |  |
Schedule of Other Current Assets | The components of other current assets on our consolidated balance sheets as of December 31, 2021 and 2020 are presented below:
| December 31,
Dollars in millions | 2021 |  | 2020
Prepaid expenses | $ | 75 |  |  | $ | 71 |
Value-added tax receivable | 21 |  |  | 22 |
Advances to subcontractors | 15 |  |  | 10 |
Other miscellaneous assets | 36 |  |  | 18 |
Total other current assets | $ | 147 |  |  | $ | 121 |
Components of Other Current Liabilities | The components of other current liabilities on our consolidated balance sheets as of December 31, 2021 and 2020 are presented below:
| December 31,
Dollars in millions | 2021 |  | 2020
Current maturities of long-term debt | $ | 16 |  |  | $ | 12 |
Reserve for estimated losses on uncompleted contracts | 17 |  |  | 16 |
Retainage payable | 13 |  |  | 22 |
Income taxes payable | 2 |  |  | 16 |
Restructuring reserve | 17 |  |  | 32 |
Value-added tax payable | 34 |  |  | 29 |
Dividend payable | 16 |  |  | 14 |
Other miscellaneous liabilities | 63 |  |  | 52 |
Total other current liabilities | $ | 178 |  |  | $ | 193 |

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