Subsequent Events (Details) (Subsequent Event [Member], Purchase And Sale Agreement With Chesapeake Energy Corporation [Member], USD $)	0 Months Ended
Oct. 16, 2014	Oct. 16, 2014 acre
Subsequent Event [Line Items]
Net acreage to be acquired		413,000
Capitalized costs incurred	$ 5,375,000,000
Preferential right to purchase, term	30 days
Bridge Loan [Member]
Subsequent Event [Line Items]
Commitment from bank		$ 5,000,000,000
Debt instrument, term	364 days

Acreage Acquired

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- Definition

Preferential Right To Purchase, Term

+ References

No definition available.

+ Details

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- Definition

Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 18

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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