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Inventory, Linefill and Base Gas and Long-term Inventory (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Inventory by category |  |
Inventory | $ 1,096 | $ 1,065
Linefill and base gas | 895 | 798
Long-term inventory | 287 | 251
Total | 2,278 | 2,114
Charge related to the write-down of inventory | 37 |
Crude oil |  |
Inventory by category |  |
Inventory | 579 | 540
Linefill and base gas | 713 | 679
Long-term inventory | 220 | 202
Inventory, Volumes (in barrels or in Mcf) | 6,233,000 | 6,951,000
Linefill and base gas, Volumes (in barrels or in Mcf) | 11,211,000 | 10,966,000
Long-term inventory, Volumes (in barrels or in Mcf) | 2,712,000 | 2,498,000
Inventory, Price/Unit of measure (in dollars per unit) | 92.89 | 77.69
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 63.60 | 61.92
Long-term inventory, Price/Unit of measure (in dollars per unit) | 81.12 | 80.86
NGL |  |
Inventory by category |  |
Inventory | 444 | 352
Linefill and base gas | 56 | 62
Long-term inventory | 67 | 49
Inventory, Volumes (in barrels or in Mcf) | 10,591,000 | 8,061,000
Linefill and base gas, Volumes (in barrels or in Mcf) | 1,214,000 | 1,341,000
Long-term inventory, Volumes (in barrels or in Mcf) | 1,681,000 | 1,161,000
Inventory, Price/Unit of measure (in dollars per unit) | 41.92 | 43.67
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 46.13 | 46.23
Long-term inventory, Price/Unit of measure (in dollars per unit) | 39.86 | 42.20
Natural gas |  |
Inventory by category |  |
Inventory | 50 | 150
Linefill and base gas | 126 | 57
Inventory, Volumes (in barrels or in Mcf) | 10,824,000 | 40,505,000
Linefill and base gas, Volumes (in barrels or in Mcf) | 26,612,000 | 16,615,000
Inventory, Price/Unit of measure (in dollars per unit) | 4.62 | 3.70
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 4.73 | 3.43
Charge related to the write-down of inventory | 37 |
Other |  |
Inventory by category |  |
Inventory | $ 23 | $ 23

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- Definition The weighted-average price per unit of linefill and base gas inventory. + References No definition available. + Details
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- Definition Crude oil, refined products, and NGL linefill in pipelines and base gas in natural gas storage facilities that are owned by the entity. The linefill and base gas are intended for long-term use. + References No definition available. + Details
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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- Definition Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. + 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 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314 + Details
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