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Acquisitions And Divestitures (Schedule Of Purchase Price Allocation For GeoSouthern Intermediate Holdings) (Details) (GeoSouthern Intermediate Holdings, LLC [Member], USD $) In Millions, unless otherwise specified | Feb. 28, 2014
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GeoSouthern Intermediate Holdings, LLC [Member] |
Business Acquisition [Line Items] |
Cash and cash equivalents | $ 95
Other current assets | 256
Proved properties | 5,029
Unproved properties | 1,008
Midstream assets | 85
Current liabilities | (437)
Long-term liabilities | (6)
Net assets acquired | $ 6,030

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