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Contingencies and Commitments (Details) $ in Millions, $ in Millions |  |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 23, 2019 USD ($) | Dec. 13, 2016 AUD ($) | Sep. 30, 2018 action | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | May 26, 2020 claim | Aug. 31, 2019 USD ($) | Aug. 12, 2016 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of derivative actions filed | action |  |  | 11 |  |  |  |  |
Claim revenue for costs |  |  |  | $ 215 | $ 216 |  |  |
Fluor T E C H I N T | Barrick |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  |  | $ 36 |
Fluor T E C H I N T | Barrick | Parent Company |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  |  | 24 |
Fluor T E C H I N T | Barrick | Partnership Interest |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  |  | $ 12 |
Pending litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of pending matters | claim |  |  |  |  |  | 1 |  |
Damages sought |  | $ 1,470 |  |  |  |  |  |
Pending litigation | Sadara Chemical Company |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Damages sought | $ 100 |  |  |  |  |  |  |
Estimate of possible loss | $ 574 |  |  |  |  |  |  |
Pending litigation | Fluor T E C H I N T |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Estimate of possible loss |  |  |  | $ 364 |  |  |  | $ 250

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