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Acquisitions Acquisition of Ozark Pipeline (Details) bbl / d in Thousands, $ in Millions |  | 3 Months Ended | 4 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Mar. 01, 2017 USD ($) bbl / d mi in | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Additions to property, plant and equipment |  | $ (372) | $ (302) |  | $ (652) | $ (606)
Ozark Pipeline [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Additions to property, plant and equipment | $ (219) |  |  |  |  |
Pipeline length | mi | 433 |  |  |  |  |
Pipeline diameter | in | 22 |  |  |  |  |
Pipeline barrels capable of transportation | bbl / d | 230 |  |  |  |  |
Revenues and other income |  | 19 |  | $ 26 |  |
Income from operations |  | $ 9 |  | $ 11 |  |

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- Definition Pipeline Barrels Handled + References No definition available. + Details
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- Definition Pipeline diameter + References No definition available. + Details
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- Definition Pipeline length + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -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 long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Details
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