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v3.23.1

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.

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: 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(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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