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Variable Interest Entities (Details) $ in Millions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 USD ($) refineries | Dec. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Dec. 31, 2014 USD ($)
Assets |  |  |  |
Cash and temporary cash investments | $ 4,925 | $ 4,114 | $ 5,764 | $ 3,689
Property, plant, and equipment, net | 26,589 | 26,703 |  |
Liabilities |  |  |  |
Current liabilities | 8,652 | 6,994 |  |
Debt and capital lease obligations, less current portion | $ 6,646 | 7,208 |  |
Variable Interest Entity (Textual) |  |  |  |
Number of refineries impacted by VLP operations | refineries | 9 |  |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Assets |  |  |  |
Cash and temporary cash investments | $ 168 | 132 |  |
Other current assets | 87 | 211 |  |
Property, plant, and equipment, net | 1,296 | 1,243 |  |
Liabilities |  |  |  |
Current liabilities | 33 | 43 |  |
Debt and capital lease obligations, less current portion | 364 | 175 |  |
Valero Energy Partners LP [Member] |  |  |  |
Assets |  |  |  |
Cash and temporary cash investments | 67 | 81 |  |
Other current assets | 1 | 0 |  |
Property, plant, and equipment, net | 801 | 747 |  |
Liabilities |  |  |  |
Current liabilities | 10 | 13 |  |
Debt and capital lease obligations, less current portion | $ 314 | 175 |  |
Valero Energy Partners LP [Member] | Limited Partner [Member] |  |  |  |
Variable Interest Entity (Textual) |  |  |  |
Ownership percentage | 66.10% |  |  |
Valero Energy Partners LP [Member] | General Partner [Member] |  |  |  |
Variable Interest Entity (Textual) |  |  |  |
Ownership percentage | 2.00% |  |  |
Diamond Green Diesel Holdings LLC [Member] |  |  |  |
Assets |  |  |  |
Cash and temporary cash investments | $ 83 | 44 |  |
Other current assets | 86 | 211 |  |
Property, plant, and equipment, net | 356 | 356 |  |
Liabilities |  |  |  |
Current liabilities | 16 | 12 |  |
Debt and capital lease obligations, less current portion | $ 0 | 0 |  |
Variable Interest Entity (Textual) |  |  |  |
Ownership percentage | 50.00% |  |  |
Maximum percentage of joint venture construction costs financed | 60.00% |  |  |
Other Variable Interest Entities [Member] |  |  |  |
Assets |  |  |  |
Cash and temporary cash investments | $ 18 | 7 |  |
Other current assets | 0 | 0 |  |
Property, plant, and equipment, net | 139 | 140 |  |
Liabilities |  |  |  |
Current liabilities | 7 | 18 |  |
Debt and capital lease obligations, less current portion | $ 50 | $ 0 |  |
Variable Interest Entity (Textual) |  |  |  |
Ownership percentage | 50.00% |  |  |
Valero Energy Partners LP - Public Unitholders [Member] | Limited Partner [Member] |  |  |  |
Variable Interest Entity (Textual) |  |  |  |
Ownership percentage | 31.90% |  |  |

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