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Derivative Instruments and Hedging Activities, Income Statement Presentation Related to Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013
Enogex [Member] | Cash Flow Hedging [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Amount Recognized in Other Comprehensive Income | $ 0
Amount Reclassifed from Accumulated Other Comprehensive Income (Loss) into Income | 0
Amount Recognized in Income | 0
Enogex [Member] | Not Designated as Hedging Instrument [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Amount Recognized in Income | (0.3)
Enogex [Member] | Natural gas [Member] | Fixed Swaps/Futures [Member] | Cash Flow Hedging [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Amount Recognized in Other Comprehensive Income | 0
Amount Reclassifed from Accumulated Other Comprehensive Income (Loss) into Income | 0.2
Amount Recognized in Income | 0
Enogex [Member] | Natural gas [Member] | Fixed Swaps/Futures [Member] | Not Designated as Hedging Instrument [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Amount Recognized in Income | (0.3)
OGE Energy Corp. [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |
Derivative Instruments, Gain (Loss) [Line Items] |
Amount Recognized in Other Comprehensive Income | 0
Amount Reclassifed from Accumulated Other Comprehensive Income (Loss) into Income | (0.2)
Amount Recognized in Income | $ 0

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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