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Commitments and Contingencies (Details) |  | 1 Months Ended | 29 Months Ended |
--- | --- | --- | --- | ---
May 16, 2016 employee count | May 31, 2015 bbl | Sep. 30, 2017 USD ($) lawsuit | Dec. 31, 2016 USD ($)
Legal, Environmental or Regulatory Matters |  |  |  |
Estimated undiscounted reserve for environmental liabilities |  |  | $ 134,000,000 | $ 147,000,000
Estimated undiscounted reserve for environmental liabilities, short-term |  |  | 47,000,000 | 61,000,000
Estimated undiscounted reserve for environmental liabilities, long-term |  |  | 87,000,000 | 86,000,000
Amounts probable of recovery under insurance and from third parties under indemnification agreements |  |  | 47,000,000 | 56,000,000
Trade accounts receivable and other receivables, net |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Amounts probable of recovery under insurance and from third parties under indemnification agreements |  |  | 26,000,000 | 39,000,000
Other long-term assets, net |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Amounts probable of recovery under insurance and from third parties under indemnification agreements |  |  | 21,000,000 | $ 17,000,000
Line 901 Incident |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Estimated undiscounted reserve for environmental liabilities |  |  | 64,000,000 |
Amounts probable of recovery under insurance and from third parties under indemnification agreements |  |  | 39,000,000 |
Estimated size of release (in bbl) | bbl |  | 2,934 |  |
Estimated size of release to reach Pacific Ocean (in bbl) | bbl |  | 598 |  |
Fines or penalties assessed |  |  | 0 |
Aggregate total estimated costs |  |  | 300,000,000 |
Recoveries from insurance carriers |  |  | 166,000,000 |
Total release costs probable of recovery |  |  | 205,000,000 |
Line 901 Incident | Trade accounts receivable and other receivables, net |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Amounts probable of recovery under insurance and from third parties under indemnification agreements |  |  | 18,000,000 |
Line 901 Incident | Accounts payable and accrued liabilities |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Estimated undiscounted reserve for environmental liabilities, short-term |  |  | $ 36,000,000 |
Line 901 Incident | May 2016 Indictment |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Number of employees charged | employee | 1 |  |  |
Total counts included in the indictment | count | 46 |  |  |
Number of misdemeanor charges relating to wildlife allegedly taken | count | 36 |  |  |
Number of counts relating to the release of crude oil or reporting of the release | count | 10 |  |  |
Number of felony charges relating to the release of crude oil or reporting of the release | count | 3 |  |  |
Line 901 Incident | Class Action Lawsuits |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Number of cases filed during the period | lawsuit |  |  | 9 |
Number of cases consolidated into a single proceeding | lawsuit |  |  | 6 |
Line 901 Incident | Securities Law Class Action Lawsuits |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Number of cases filed during the period | lawsuit |  |  | 2 |
Line 901 Incident | Unitholder Derivative Lawsuits |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |
Number of cases filed during the period | lawsuit |  |  | 4 |
Number of cases consolidated into a single proceeding | lawsuit |  |  | 2 |
Number of remaining lawsuits | lawsuit |  |  | 2 |

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