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Short-Term Debt and Credit Facilities - Additional Information (Details) - USD ($) | Dec. 31, 2022 | May 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Line of Credit Facility [Line Items] |  |  |  |  |
Short-term debt |  | $ 0 |  |  | $ 486,900,000
Acceleration of Indebtedness of Credit Facility |  | 100,000,000.0 |  |  |
Nonpayment of Uninsured Judgments |  | 100,000,000.0 |  |  |
Outstanding Intercompany Borrowings |  | 84,100,000 |  |  |
OGE Energy [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 550,000,000.0 | [1] | $ 550,000,000.0 |
Ratio of Consolidated Debt to Consolidated Capitalization |  | 65.00% |  |  |
OGE Energy [Member] | Minimum [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Ratio of Consolidated Debt to Consolidated Capitalization |  | 65.00% |  |  |
OGE Energy [Member] | Maximum [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Ratio of Consolidated Debt to Consolidated Capitalization |  | 70.00% |  |  |
OG&E [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity | [2],[3] | $ 550,000,000.0 |  |  |
Short Term Borrowing Capacity That Has Regulatory Approval |  | $ 1,000,000,000.0 |  |  |
Ratio of Consolidated Debt to Consolidated Capitalization |  | 65.00% |  |  |
[1] | 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.
[2] | 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 December 31, 2022, there were $84.1 million in intercompany borrowings under this agreement.
[3] | 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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Period Type: | instant

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- Definition Nonpayment of Uninsured Judgments + References No definition available. + Details
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Period Type: | instant

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- Definition Outstanding Intercompany Borrowings + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The percentage of consolidated debt to total consolidated capitalization, which the entity may not exceed pursuant to a debt covenant. + References No definition available. + Details
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- Definition Short Term Borrowing Capacity That Has Regulatory Approval + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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