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v3.8.0.1

Other Contingencies and Commitments (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) Location guaranty | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2009 USD ($)
Guarantees |  |  |  |
Number of guarantees | guaranty | 2 |  |  |
Guarantee for payments under terminal use agreements | $ 1,082,000,000 |  |  |
Idemnifications |  |  |  |
Indemnifications acquirer environmental liabilities, maximum obligation |  |  |  | $ 200,000,000
Long-Term Unconditional Purchase Obligations and Commitments, Including Throughput and Take-or-Pay Agreements |  |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2018 | 1,402,000,000 |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2019 | 1,367,000,000 |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2020 | 1,027,000,000 |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2021 | 920,000,000 |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2022 | 555,000,000 |  |  |
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in 2023 and after | 2,566,000,000 |  |  |
Total payments under long term unconditional purchase obligations and commitments including throughput and Take-or-Pay agreements | 1,300,000,000 | $ 1,300,000,000 | $ 1,900,000,000 |
Environmental |  |  |  |
Environmental reserve balance | $ 1,429,000,000 |  |  |
Sites with potential remediation activities (in sites) | Location | 146 |  |  |
Upstream |  |  |  |
Environmental |  |  |  |
Environmental reserve | $ 340,000,000 |  |  |
Other Businesses [Member] |  |  |  |
Environmental |  |  |  |
Environmental reserve | 1,000,000 |  |  |
Sites with Potential Remediation Activities [Member] |  |  |  |
Environmental |  |  |  |
Environmental reserve | 269,000,000 |  |  |
Environmental Reserve Less Environmental Reserve for Sites with Potential Remediation Activities [Member] |  |  |  |
Environmental |  |  |  |
Environmental reserve | 1,160,000,000 |  |  |
United States | Downstream |  |  |  |
Environmental |  |  |  |
Environmental reserve | 781,000,000 |  |  |
International | Downstream |  |  |  |
Environmental |  |  |  |
Environmental reserve | 38,000,000 |  |  |
Financing Arrangement |  |  |  |
Guarantees |  |  |  |
Guarantee for payments under terminal use agreements | $ 712,000,000 |  |  |
Term of guarantee for payments under terminal use agreement (in years) | 4 years |  |  |
Affiliates |  |  |  |
Guarantees |  |  |  |
Guarantee for payments under terminal use agreements | $ 370,000,000 |  |  |
Term of guarantee for payments under terminal use agreement (in years) | 10 years |  |  |

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