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Short-Term Debt and Credit Facilities - Additional Information (Details) $ in Billions | Mar. 31, 2024 USD ($)
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OG&E [Member] |
Line of Credit Facility [Line Items] |
Short Term Borrowing Capacity That Has Regulatory Approval | $ 1.0

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- Definition Short Term Borrowing Capacity That Has Regulatory Approval + References No definition available. + Details
Name: | oge_ShortTermBorrowingCapacityThatHasRegulatoryApproval
Namespace Prefix: | oge_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=oge_OgAndEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |