Short-Term Debt and Credit Facilities - Schedule of Line of Credit Facilities (Parenthetical) (Details)	Mar. 31, 2023 USD ($)
Line of Credit Facility [Line Items]
Outstanding Intercompany Borrowings	$ 0
Og and E [Member]
Line of Credit Facility [Line Items]
Intercompany Borrowing Agreement - Maximum Borrowing Capacity	450,000,000.0
OGE Energy [Member] \| Series Due May 24, 2025 [Member]
Line of Credit Facility [Line Items]
Long term debt	100,000,000.0
OGE Energy [Member] \| Credit Facility [Member] \| Series Due May 24, 2025 [Member]
Line of Credit Facility [Line Items]
Long term debt	50,000,000.0
OGE Energy [Member] \| Term Loan [Member] \| Series Due May 24, 2025 [Member]
Line of Credit Facility [Line Items]
Long term debt	$ 50,000,000.0

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.

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

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant