Oil and Gas Property Decrease due to Gain

No definition available.

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- Definition

Purchase Price Prior To Adjustments

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of oil and gas property or timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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- Details

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- Definition

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

+ References

No definition available.

+ Details

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- Definition

The difference between the value of the consideration received by the Entity on the sale or disposal and net book value of assets sold or disposed, before any tax related impact.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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Divestitures Divestitures (Details) (USD $)					3 Months Ended		9 Months Ended
Divestitures Divestitures (Details) (USD $)	May 01, 2014 Sandwash Basin [Member]	Sep. 30, 2013 Southern Alberta Basin [Member]	Sep. 30, 2013 Barnett Shale [Member]	Apr. 30, 2013 Barnett Shale [Member]	Sep. 30, 2014 Tokyo Gas [Member]	Sep. 30, 2013 Tokyo Gas [Member]	Sep. 30, 2014 Tokyo Gas [Member]	Sep. 30, 2013 Tokyo Gas [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Percentage				25.00%
PurchasePricePriorToAdjustments		$ 46,000,000		$ 485,000,000
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds	95,600,000	42,300,000		464,000,000
Gain (Loss) on Disposition of Oil and Gas and Timber Property					0	7,974,000	0	341,146,000
Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Pretax			8,000,000	339,300,000
Oil and Gas Property Decrease due to Gain						$ 110,700,000