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Operating Segments - Segment Financial Data (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) segment | Mar. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |
Operating segments number | segment | 3 |
Revenues: |  |
Revenues | $ 8,398 | $ 6,667
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |
Equity earnings in unconsolidated entities | 75 | 53
Segment adjusted EBITDA | 592 | 512
Maintenance capital | 45 | 59
Transportation |  |
Revenues: |  |
Revenues | 253 | 225
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |
Equity earnings in unconsolidated entities | 75 | 53
Segment adjusted EBITDA | 335 | 273
Maintenance capital | 29 | 29
Facilities |  |
Revenues: |  |
Revenues | 141 | 134
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |
Segment adjusted EBITDA | 185 | 188
Maintenance capital | 14 | 27
Supply and Logistics |  |
Revenues: |  |
Revenues | 8,111 | 6,395
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |
Segment adjusted EBITDA | 72 | 51
Maintenance capital | 2 | 3
Operating Segments |  |
Revenues: |  |
Revenues | 8,858 | 7,082
Operating Segments | Transportation |  |
Revenues: |  |
Revenues | 454 | 389
Operating Segments | Facilities |  |
Revenues: |  |
Revenues | 292 | 293
Operating Segments | Supply and Logistics |  |
Revenues: |  |
Revenues | 8,112 | 6,400
Intersegment |  |
Revenues: |  |
Revenues | (460) | (415)
Intersegment | Transportation |  |
Revenues: |  |
Revenues | (201) | (164)
Intersegment | Facilities |  |
Revenues: |  |
Revenues | (151) | (159)
Intersegment | Supply and Logistics |  |
Revenues: |  |
Revenues | (1) | (5)
Intersegment Adjustment |  |
Revenues: |  |
Revenues | $ (107) | $ (87)

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- Definition Revenues and equity earnings in unconsolidated entities less (a) purchases and related costs, (b) field operating costs and (c) segment general and administrative expenses, plus the entity’s proportionate share of the depreciation and amortization expense and gains and losses on significant asset sales of unconsolidated entities, and further adjusted for certain selected items including (i) gains or losses on derivative on derivative instruments that are related to underlying activities in another period (or the reversal of such adjustments from a prior period), gains and losses on derivatives that are related to investing activities (such as the purchase of linefill) and inventory valuation adjustments, as applicable, (ii) long-term inventory costing adjustments, (iii) charges for obligations that are expected to be settled with the issuance of equity instruments, (iv) amounts related to deficiencies associated with minimum volume commitments, net of applicable amounts subsequently recognized into revenue and (v) other items that the Chief Operating Decision Maker believes are integral to understand the entity’s core segment operating performance. + References No definition available. + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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