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Related Party Disclosures (Details) - USD ($) | 11 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 02, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party |  | $ 135,500,000 | $ 139,300,000 | $ 140,600,000
Expected Settlement Charge |  | 5,100,000 |  |
Excluding Fuel Purchases [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accounts receivable - unconsolidated affiliates |  |  | 300,000 |
Og and E [Member] | Retained Earnings |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Dividends, Common Stock |  | $ 0 | (265,000,000.0) | (325,000,000.0)
Enable Midstream Partners [Member] | Og and E [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenue from Related Parties | $ 13,300,000 |  |  | 15,100,000
Enable Midstream Partners [Member] | Og and E [Member] | Natural Gas Transportation [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Purchases from Related Party | 32,700,000 |  |  | 32,800,000
Enable Midstream Partners [Member] | OGE Energy [Member] | Operating Costs Charged [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party | $ 300,000 |  |  | 400,000
Enable Midstream Partners [Member] | OGE Energy [Member] | Employment Costs [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party |  |  | $ 12,200,000 | $ 17,300,000

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