Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Dec. 31, 2014
Reserve Quantities [Line Items]
Document Period End Date	Dec. 31, 2014
Unamortized costs exceed ceiling limitations	$ 190.0
Spectrum Brands [Member]
Reserve Quantities [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	41.40%
FGL [Member]
Reserve Quantities [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%
Natural Gas [Member]
Reserve Quantities [Line Items]
Average Sales Prices	4.35
Oil [Member]
Reserve Quantities [Line Items]
Average Sales Prices	94.99
Natural Gas Liquids [Member]
Reserve Quantities [Line Items]
Average Sales Prices	42.55

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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- Definition

The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced.

+ References

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

-Publisher SEC

-Name Industry Guide

-Number 2

-Paragraph 3

-Subparagraph A

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The excess of unamortized costs capitalized within a cost center, less related deferred income taxes, over the cost center ceiling limitation, which is charged to expense for oil and gas producing companies that use full cost method of accounting for investments in oil and gas producing properties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 360

-Section S99

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27015634&loc=d3e516453-122869

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 10

-Paragraph c

-Subparagraph 4(ii)

-Article 4

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