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Rate Matters and Regulation (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013
Section 206 Complaint [Member] |
Reduction of Revenue | $ 1.0
Oklahoma Corporation Commission [Member] |
OG&E's Jurisdictional Revenues | 85.00%
Arkansas Public Service Commission [Member] |
OG&E's Jurisdictional Revenues | 8.00%
Federal Energy Regulatory Commission [Member] |
OG&E's Jurisdictional Revenues | 7.00%

X
- Definition OG&E's Jurisdictional Revenues + References No definition available. + Details
Name: | oge_OgesJurisdictionalRevenues
Namespace Prefix: | oge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Reduction of Revenue + References No definition available. + Details
Name: | oge_ReductionofRevenue
Namespace Prefix: | oge_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration