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Merger With VLP (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended
--- | --- | ---
Jan. 10, 2019 | Mar. 31, 2019 | Mar. 31, 2018
Merger with VLP (Textual) |  |  |
Merger transaction, aggregate merger consideration funded with available cash on hand |  | $ 950 | $ 0
VLP [Member] |  |  |
Merger with VLP (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 |  |

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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=109223946&loc=d3e3291-108585 + Details
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