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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
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Jun. 30, 2013
JV Mississippi Lime [Member]
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Jun. 30, 2014
JV Mississippi Lime [Member]
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Dec. 31, 2011
JV Utica [Member]
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Jun. 30, 2014
JV Utica [Member]
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Feb. 28, 2011
JV Niobrara [Member]
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Jun. 30, 2014
JV Niobrara [Member]
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Nov. 30, 2010
JV Eagle Ford [Member]
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Jun. 30, 2014
JV Eagle Ford [Member]
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Jan. 31, 2010
JV Barnett Shale [Member]
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Jun. 30, 2014
JV Barnett Shale [Member]
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Nov. 30, 2008
JVMarcellus [Member]
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Jun. 30, 2014
JVMarcellus [Member]
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Sep. 30, 2008
JV Fayetteville [Member]
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Jun. 30, 2014
JV Fayetteville [Member]
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Jul. 31, 2008
JV Haynesville And Bossier [Member]
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Jun. 30, 2014
JV Haynesville And Bossier [Member]
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Jun. 30, 2014
Payment Remaining [Member]
JV Mississippi Lime [Member]
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Jun. 30, 2014
Closing adjustments between the effective date and the closing date transaction [Member]
JV Mississippi Lime [Member]
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| 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% | |||||||||||||||||