Long-Term Debt (Additional Information) (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
		Apr. 30, 2023	Mar. 31, 2023	Apr. 03, 2023
Debt Instrument [Line Items]
Percent of Principal Amount Subject to Optional Tender			100.00%
Term Loan [Member] | Series Due August 15, 2028 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			5.875%
Term Loan [Member] | Series Due August 15, 2028 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			5.375%
OGE Energy [Member]
Debt Instrument [Line Items]
Maturity	[1],[2]		Dec. 17, 2027
OGE Energy [Member] | Series Due August 15, 2028 [Member]
Debt Instrument [Line Items]
Long term debt			$ 100.0
OGE Energy [Member] | Series Due May 26, 2023 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Long term debt			$ 500.0
Debt Instrument, Interest Rate, Stated Percentage			0.703%
Date Due			May 26, 2023
OGE Energy [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Maturity	[3]		May 24, 2025
OGE Energy [Member] | Term Loan [Member] | Series Due August 15, 2028 [Member]
Debt Instrument [Line Items]
Long term debt			$ 50.0
OGE Energy [Member] | Credit Facility [Member] | Series Due August 15, 2028 [Member]
Debt Instrument [Line Items]
Long term debt			$ 50.0
Og and E [Member]
Debt Instrument [Line Items]
Maturity	[1],[4],[5]		Dec. 17, 2027
Og and E [Member] | Senior Notes due January 15, 2033 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Long term debt			$ 450.0
Debt Instrument, Interest Rate, Stated Percentage			5.40%
Date Due			Jan. 15, 2033
Og and E [Member] | Series Due May 26, 2023 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Long term debt			$ 500.0
Debt Instrument, Interest Rate, Stated Percentage			0.553%
Date Due			May 26, 2023
Og and E [Member] | Senior Notes Due April 1 2053 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Date Due		Apr. 01, 2053
Og and E [Member] | Senior Notes Due April 1 2053 [Member] | Senior Notes [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Long term debt				$ 350.0
Debt Instrument, Interest Rate, Stated Percentage				5.60%

[1] In December 2022, the Registrants each entered into an amendment to their credit facility that extended the term of each credit facility for one year, until December 2027. Further, each credit facility amendment gave each of the Registrants the option of extending such commitments for up to two additional one-year periods.

[2] This bank facility is available to back up OGE Energy's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility.

[3] OGE Energy has a $100.0 million floating rate unsecured three-year credit agreement, of which $50.0 million is considered a revolving loan and $50.0 million is considered a term loan.

[4] OG&E has an intercompany borrowing agreement with OGE Energy whereby OG&E has access to up to $450.0 million of OGE Energy's revolving credit amount. This agreement has a termination date of December 17, 2027. At March 31, 2023, there were no intercompany borrowings under this agreement.

[5] This bank facility is available to back up OG&E's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility.