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Merger and Acquisition (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Jan. 10, 2019 | May 14, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Merger and Acquisition (Textual) |  |  |  |
Merger transaction, aggregate merger consideration funded with available cash on hand |  |  | $ 950 | $ 0
Amount paid from available cash on hand |  |  | $ 0 | $ 471
VLP [Member] |  |  |  |
Merger and Acquisition (Textual) |  |  |  |
Merger transaction, price per common unit (in usd per unit) | $ 42.25 |  |  |
Merger transaction, aggregate merger consideration funded with available cash on hand | $ 950 |  |  |
Pure Biofuels [Member] |  |  |  |
Merger and Acquisition (Textual) |  |  |  |
Percent equity interests acquired |  | 100.00% |  |
Amount paid from available cash on hand |  | $ 471 |  |
Working capital |  | $ 122 |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of consideration transferred for working capital, consisting of acquisition-date fair value of current assets transferred by the acquirer, net of cash acquired, and current liabilities incurred by the acquirer. + References No definition available. + Details
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