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Operating Segments - Segment Financial Data (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) segment | Jun. 30, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Operating segments number | segment |  |  | 3 |
Revenues: |  |  |  |
Revenues | $ 8,080 | $ 6,078 | $ 16,478 | $ 12,745
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |  |  |
Equity earnings in unconsolidated entities | 96 | 68 | 171 | 121
Segment adjusted EBITDA | 505 | 450 | 1,097 | 962
Maintenance capital | 63 | 71 | 108 | 131
Transportation |  |  |  |
Revenues: |  |  |  |
Revenues | 152 | 161 | 298 | 299
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |  |  |
Equity earnings in unconsolidated entities | 96 | 68 | 171 | 121
Segment adjusted EBITDA | 360 | 298 | 695 | 571
Maintenance capital | 32 | 27 | 61 | 57
Facilities |  |  |  |
Revenues: |  |  |  |
Revenues | 147 | 136 | 288 | 270
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |  |  |
Segment adjusted EBITDA | 171 | 180 | 357 | 368
Maintenance capital | 26 | 39 | 41 | 66
Supply and Logistics |  |  |  |
Revenues: |  |  |  |
Revenues | 7,781 | 5,781 | 15,892 | 12,176
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments |  |  |  |
Segment adjusted EBITDA | (26) | (28) | 45 | 23
Maintenance capital | 5 | 5 | 6 | 8
Operating Segments, Before Intersegment Adjustment | Transportation |  |  |  |
Revenues: |  |  |  |
Revenues | 264 | 258 | 517 | 483
Operating Segments, Before Intersegment Adjustment | Facilities |  |  |  |
Revenues: |  |  |  |
Revenues | 147 | 136 | 288 | 270
Operating Segments, Before Intersegment Adjustment | Supply and Logistics |  |  |  |
Revenues: |  |  |  |
Revenues | 7,781 | 5,781 | 15,892 | 12,176
Intersegment |  |  |  |
Revenues: |  |  |  |
Revenues | (460) | (419) | (920) | (835)
Intersegment | Transportation |  |  |  |
Revenues: |  |  |  |
Revenues | (211) | (167) | (412) | (331)
Intersegment | Facilities |  |  |  |
Revenues: |  |  |  |
Revenues | (137) | (153) | (288) | (312)
Intersegment | Supply and Logistics |  |  |  |
Revenues: |  |  |  |
Revenues |  | (2) | (1) | (8)
Intersegment Adjustment |  |  |  |
Revenues: |  |  |  |
Revenues | (112) | (97) | (219) | (184)
Operating Segments |  |  |  |
Revenues: |  |  |  |
Revenues | 8,540 | 6,497 | 17,398 | 13,580
Operating Segments | Transportation |  |  |  |
Revenues: |  |  |  |
Revenues | 475 | 425 | 929 | 814
Operating Segments | Facilities |  |  |  |
Revenues: |  |  |  |
Revenues | 284 | 289 | 576 | 582
Operating Segments | Supply and Logistics |  |  |  |
Revenues: |  |  |  |
Revenues | $ 7,781 | $ 5,783 | $ 15,893 | $ 12,184

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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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