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U.S. Government Matters (Details) | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Jan. 31, 2014 defendant subcontractor | Apr. 30, 2008 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Mar. 31, 2011 USD ($)
Reserve For Potentially Disallowable Costs Incurred Under Government Contracts |  |  |  |  |
United States Government Contract Work [Line Items] |  |  |  |  |
Accrued reserve for unallowable costs |  |  | $ 33,000,000 | $ 33,000,000 |
First Kuwaiti Trading Company Arbitration |  |  |  |  |
United States Government Contract Work [Line Items] |  |  |  |  |
Damages awarded, value |  | $ 17,000,000 |  |  |
Amount owed to subcontractor |  | $ 32,000,000 |  |  |
Howard qui tam |  |  |  |  |
United States Government Contract Work [Line Items] |  |  |  |  |
Estimate of possible loss |  |  |  |  | $ 628,000,000
Amount accrued |  |  | $ 0 |  |
DOJFCA |  |  |  |  |
United States Government Contract Work [Line Items] |  |  |  |  |
Number of subcontractors | subcontractor | 2 |  |  |  |
Number of defendants | defendant | 3 |  |  |  |

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