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Leases - Additional Information (Details) | Dec. 31, 2024 USD ($)
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Operating Leased Assets [Line Items] |
Lessee, Operating Lease, Contingent Liability | $ 3,200,000
Minimum [Member] | OG&E Wind Farm Land Lease Agreements [Member] |
Operating Leased Assets [Line Items] |
Operating lease, term of contract | 8 years
Maximum [Member] | OG&E Wind Farm Land Lease Agreements [Member] |
Operating Leased Assets [Line Items] |
Operating lease, term of contract | 12 years

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- Definition Lessee, Operating Lease, Contingent Liability + References No definition available. + Details
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Namespace Prefix: | oge_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
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 No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_TypeOfArrangementAxis=oge_OGAndEWindFarmLandLeaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |