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Commitments and Contingencies (Details) (USD $)			3 Months Ended	7 Months Ended
Commitments and Contingencies (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 OG&E minimum fuel purchase commitments [Member]	Oct. 31, 2014 OG&E minimum fuel purchase commitments [Member]
Long-term Purchase Commitment [Line Items]
Percentage of OG&E's Projected 2014 Requirements			31.50%	42.60%
Commitments and Contingencies
Estimated Environmental Capital Costs	1,000,000,000
Potential Penalty Under the Federal Clean Air Act	$ 37,500

Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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