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Property, Plant, and Equipment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | $ 40,010 | $ 37,733 |
Accumulated depreciation | (12,530) | (11,261) |
Property, plant, and equipment, net | 27,480 | 26,472 |
Property, Plant, and Equipment (Textual) |  |  |
Property, plant, and equipment, assets under capital leases | 635 | 118 |
Accumulated amortization on assets under capital leases | 72 | 45 |
Depreciation expense related to continuing operations | 1,300 | 1,300 | $ 1,300
Land [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 411 | 400 |
Crude Oil Processing Facilities [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 30,109 | 29,754 |
Transportation and Terminaling Facilities [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 4,335 | 3,692 |
Grain Processing Equipment [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 903 | 855 |
Administrative Buildings [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 910 | 838 |
Other [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | 2,068 | 1,464 |
Construction in Progress [Member] |  |  |
Property, Plant, and Equipment, Net |  |  |
Property, plant, and equipment, at cost | $ 1,274 | $ 730 |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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