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v3.19.3.a.u2

Other Commitments and Contingencies (Details) - USD ($) $ in Millions | 1 Months Ended | 14 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | May 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Loss Contingencies [Line Items] |  |  |  |
Self insurance reserve, noncurrent |  |  | $ 42 | $ 48
Accounts Payable and Accrued Liabilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Self insurance reserve, noncurrent |  |  | 14 | 16
Other Current Liabilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Self insurance reserve, noncurrent |  |  | 2 | 3
Other Liabilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Self insurance reserve, noncurrent |  |  | 26 | $ 29
Chadian Employee Class Action |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages awarded, value | $ 34 | $ 25 |  |
Claims in unpaid bonuses |  | $ 122 |  |
Chadian Employee Class Action | Provisional Award |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages awarded, value | $ 2 |  |  |
North West Rail Link Project |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Claims in unpaid bonuses |  |  | $ 300 |
Noncontrolling interest, ownership percentage by parent |  |  | 33.00% |

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