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Long-Term Debt (Additional Information) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Percent of Principal Amount Subject to Optional Tender	100.00%
Term Loan [Member] | Series Due May 24, 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.375%
OGE Energy [Member] | Series Due May 24, 2025 [Member]
Debt Instrument [Line Items]
Long term debt	$ 100.0
OGE Energy [Member] | Term Loan [Member] | Series Due May 24, 2025 [Member]
Debt Instrument [Line Items]
Long term debt	50.0
OGE Energy [Member] | Credit Facility [Member] | Series Due May 24, 2025 [Member]
Debt Instrument [Line Items]
Long term debt	$ 50.0

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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