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Investment in Unconsolidated Affiliate (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity Method Investments and Joint Ventures [Abstract] |
Reconciliation of Equity in Earnings (Losses) of Unconsolidated Affiliates | The following table presents a reconciliation of OGE Energy's equity in earnings of unconsolidated affiliates for the period of January 1, 2021 through December 2, 2021.
(In millions) |  |  |
Enable net income used to calculate OGE Energy's equity in earnings |  | $ | 470.0 |
OGE Energy's percent ownership at period end |  |  | 25.5 | %
OGE Energy's portion of Enable net income |  | $ | 119.8 |
Amortization of basis difference and dilution recognition (A) |  |  | 50.0 |
Equity in earnings of unconsolidated affiliates |  | $ | 169.8 |
(A) Includes loss on dilution, net of proportional basis difference recognition.
Schedule of Related Party Transactions [Table Text Block] | The following table presents summarized related party transactions between OG&E and Enable during the period of January 1, 2021 through December 2, 2021.
(In millions) |  |  |
Operating revenues: |  |  |
Electricity to power electric compression assets |  | $ | 13.3 |
Fuel, purchased power and direct transmission expense: |  |  |
Natural gas transportation services |  | $ | 32.7 |
Natural gas sales |  | $ | (33.5 | )

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- Definition [Table Text Block] for Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Table] + References No definition available. + Details
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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