Organization and Basis of Presentation Principles of Consolidation (Details) - USD ($) $ in Millions |
9 Months Ended | |||||
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Jun. 01, 2017 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Net cash from operating activities | [1] | $ 549 | $ 414 | |||
| Net cash used in investing activities | [1] | (751) | (234) | |||
| Net Cash Provided by (Used in) Financing Activities | [1] | (448) | 301 | |||
| Predecessor [Member] | ||||||
| Net cash from operating activities | 30 | (15) | ||||
| Net cash used in investing activities | 26 | $ (98) | ||||
| Net Cash Provided by (Used in) Financing Activities | (34) | |||||
| Western Refining Logistics | ||||||
| Revenues | 310 | |||||
| Management Fee Expense | $ 27 | |||||
| WNRL Merger | ||||||
| Business Acquisition, Effective Date of Acquisition | Jun. 01, 2017 | |||||
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- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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