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Inventory, Linefill and Base Gas and Long-term Inventory (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Inventory-related disclosures |  |  |
Non-cash charges related to the write-down of inventory | $ 7 | $ 128 | $ 4
Gain on sales of linefill and base gas | 7 | 19 | 21
Cash received for sales of linefill and base gas | 40 | 65 | 56
Inventory by category |  |  |
Inventory | 1,065 | 1,209 |
Linefill and base gas | 798 | 707 |
Long-term inventory | 251 | 274 |
Total | 2,114 | 2,190 |
Crude oil |  |  |
Inventory by category |  |  |
Inventory | 540 | 737 |
Linefill and base gas | 679 | 583 |
Long-term inventory | 202 | 149 |
Inventory, Volumes (in barrels or in Mcf) | 6,951,000 | 9,492,000 |
Linefill and base gas, Volumes (in barrels or in Mcf) | 10,966,000 | 9,919,000 |
Long-term inventory, Volumes (in barrels or Mcf) | 2,498,000 | 1,962,000 |
Inventory, Price/Unit of measure (in dollars per unit) | 77.69 | 77.64 |
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 61.92 | 58.78 |
Long-term inventory, Price/Unit of measure (in dollars per unit) | 80.86 | 75.94 |
NGL |  |  |
Inventory by category |  |  |
Inventory | 352 | 388 |
Linefill and base gas | 62 | 70 |
Long-term inventory | 49 | 125 |
Inventory, Volumes (in barrels or in Mcf) | 8,061,000 | 9,472,000 |
Linefill and base gas, Volumes (in barrels or in Mcf) | 1,341,000 | 1,400,000 |
Long-term inventory, Volumes (in barrels or Mcf) | 1,161,000 | 3,238,000 |
Inventory, Price/Unit of measure (in dollars per unit) | 43.67 | 40.96 |
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 46.23 | 50.00 |
Long-term inventory, Price/Unit of measure (in dollars per unit) | 42.20 | 38.60 |
Natural gas |  |  |
Inventory by category |  |  |
Inventory | 150 | 60 |
Linefill and base gas | 57 | 54 |
Inventory, Volumes (in barrels or in Mcf) | 40,505,000 | 20,374,000 |
Linefill and base gas, Volumes (in barrels or in Mcf) | 16,615,000 | 15,755,000 |
Inventory, Price/Unit of measure (in dollars per unit) | 3.70 | 2.94 |
Linefill and base gas, Price/Unit of measure (in dollars per unit) | 3.43 | 3.43 |
Other |  |  |
Inventory by category |  |  |
Inventory | $ 23 | $ 24 |

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- Definition The cash inflow associated with the sale of linefill and base gas. + References No definition available. + Details
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- Definition The difference between the sale price and book value of linefill and base gas that was sold during the reporting period. + References No definition available. + Details
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- Details
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- Definition This element represents the aggregate of current and non-current inventory. + References No definition available. + Details
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- Definition The volume of current inventory as of the balance sheet date. + References No definition available. + Details
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- Definition The volume of linefill and base gas inventory as of the balance sheet date. + References No definition available. + Details
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- Definition The weighted-average price per unit of current inventory. + References No definition available. + Details
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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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