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Credit Facilities and Short-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2024
Short-Term Debt [Abstract] |
Schedule of Line of Credit Facilities | The following table presents information regarding the Registrants' revolving credit agreements at December 31, 2024.
Entity | Aggregate Commitment |  | Amount Outstanding (A) |  | Weighted-Average Interest Rate | Expiration
| (In millions) |  |  |  |  |
OGE Energy (B) | $ | 550.0 |  | $ | 469.3 |  |  | 4.84 | % | (F) | December 18, 2029 (G)
OGE Energy (C) |  | 60.0 |  |  | — |  |  | — |  | (F) | May 24, 2027
OG&E (D)(E) |  | 550.0 |  |  | 0.4 |  |  | 1.20 | % | (F) | December 18, 2029 (G)
Total | $ | 1,160.0 |  | $ | 469.7 |  |  | 4.84 | % |  |
(A) Includes direct borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit at December 31, 2024. (B) 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. (C) OGE Energy has a $120.0 million floating rate unsecured three-year credit agreement, of which $60.0 million is considered a revolving loan, which is included in the table above, and $60.0 million is considered a term loan. The credit agreement, under certain circumstances, may be increased to a maximum commitment limit of $155.0 million and includes a maximum leverage ratio of 0.70 to 1.0. The other covenants under this credit agreement are substantially the same as OGE Energy's existing $550.0 million revolving credit agreement. (D) 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. (E) 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 18, 2029. At December 31, 2024, there was $0.2 million intercompany borrowings under this agreement. At December 31, 2024, OG&E had $247.6 million in advances from parent. (F) Represents the weighted-average interest rate for the outstanding borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit. (G) In December 2022, the Registrants entered into an amendment to their credit facility that gave each of the Registrants the option of extending such commitments for up to two additional one-year periods. On December 18, 2024, the Registrants utilized the second extension option for an additional one-year period extending the term until December 2029.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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