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Natural Gas and Oil Property Divestitures - Joint Ventures Table (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 JV Mississippi Lime [Member] | Jun. 30, 2014 JV Mississippi Lime [Member] | Dec. 31, 2011 JV Utica [Member] | Jun. 30, 2014 JV Utica [Member] | Feb. 28, 2011 JV Niobrara [Member] | Jun. 30, 2014 JV Niobrara [Member] | Nov. 30, 2010 JV Eagle Ford [Member] | Jun. 30, 2014 JV Eagle Ford [Member] | Jan. 31, 2010 JV Barnett Shale [Member] | Jun. 30, 2014 JV Barnett Shale [Member] | Nov. 30, 2008 JVMarcellus [Member] | Jun. 30, 2014 JVMarcellus [Member] | Sep. 30, 2008 JV Fayetteville [Member] | Jun. 30, 2014 JV Fayetteville [Member] | Jul. 31, 2008 JV Haynesville And Bossier [Member] | Jun. 30, 2014 JV Haynesville And Bossier [Member] | Jun. 30, 2014 Payment Remaining [Member] JV Mississippi Lime [Member] | Jun. 30, 2014 Closing adjustments between the effective date and the closing date transaction [Member] JV Mississippi Lime [Member]
Joint Ventures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint Venture Partner |  | Sinopec |  | TOT |  | CNOOC |  | CNOOC |  | TOT |  | STO |  | BP |  | FCX |  |  |
Joint Venture Date |  | June 2013 |  | December 2011 |  | February 2011 |  | November 2010 |  | January 2010 |  | November 2008 |  | September 2008 |  | July 2008 |  |  |
Interest Sold |  | 50.00% |  | 25.00% |  | 33.30% |  | 33.30% |  | 25.00% |  | 32.50% |  | 25.00% |  | 20.00% |  |  |
Proceeds from Divestiture of Interest in Joint Venture | $ 8,049 | $ 949 |  | $ 610 |  | $ 570 |  | $ 1,120 |  | $ 800 |  | $ 1,250 |  | $ 1,100 |  | $ 1,650 |  | $ 71 | $ 90
Total Drilling Carries | 9,035 | 0 |  | 1,422 |  | 697 |  | 1,080 |  | 1,403 |  | 2,125 |  | 800 |  | 1,508 |  |  |
Total Cash And Drilling Carry Proceeds | 17,084 | 949 |  | 2,032 |  | 1,267 |  | 2,200 |  | 2,203 |  | 3,375 |  | 1,900 |  | 3,158 |  |  |
Drilling Carries Remaining | $ 373 |  | $ 0 |  | $ 347 |  | $ 26 |  | $ 0 |  | $ 0 |  | $ 0 |  | $ 0 |  | $ 0 |  |
Percentage of Total Payment by Joint Venture Partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% |
Percentage Reimbursed |  |  |  |  | 60.00% |  | 67.00% |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Joint Venture Partner + References No definition available. + Details
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- Details
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- Definition The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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