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v3.23.3

Long-Term Debt (Additional Information) (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |
Percent of Principal Amount Subject to Optional Tender |  | 100.00% |
Term Loan [Member] | Series Due May 24, 2025 [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Interest Rate During Period | 6.375% | 6.375% |
Term Loan [Member] | Series Due May 24, 2025 [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Interest Rate During Period | 6.125% | 5.375% |
OGE Energy [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity |  | Dec. 17, 2027 | [1],[2]
OGE Energy [Member] | Series Due May 26, 2023 [Member] | Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | $ 500.0 | $ 500.0 |
Debt Instrument, Interest Rate, Stated Percentage | 0.703% | 0.703% |
Maturity Date |  | May 26, 2023 |
OGE Energy [Member] | Series Due May 24, 2025 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | $ 100.0 | $ 100.0 |
OGE Energy [Member] | Term Loan [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity |  | May 24, 2025 | [3]
OGE Energy [Member] | Term Loan [Member] | Series Due May 24, 2025 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | 50.0 | $ 50.0 |
OGE Energy [Member] | Credit Facility [Member] | Series Due May 24, 2025 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | 50.0 | $ 50.0 |
Og and E [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity |  | Dec. 17, 2027 | [1],[4],[5]
Og and E [Member] | Senior Notes due January 15, 2033 [Member] | Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | $ 450.0 | $ 450.0 |
Debt Instrument, Interest Rate, Stated Percentage | 5.40% | 5.40% |
Maturity Date |  | 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 | $ 500.0 |
Debt Instrument, Interest Rate, Stated Percentage | 0.553% | 0.553% |
Maturity Date |  | May 26, 2023 |
Og and E [Member] | Senior Notes Due April 1 2053 [Member] | Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | $ 350.0 | $ 350.0 |
Debt Instrument, Interest Rate, Stated Percentage | 5.60% | 5.60% |
Maturity Date |  | Apr. 01, 2053 |
[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 September 30, 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.

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