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Income Taxes (Additional Information) (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Income Taxes [Line Items] |  |  |  |
Unrecognized Tax Benefits | $ 20,700,000 | $ 22,400,000 | $ 21,900,000 | $ 20,700,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 0 | 0 | 0 |
Research and Development Credits [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax Credit Carryforward, Amount | 1,700,000 |  |  |
Og and E [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Unrecognized Tax Benefits | 16,400,000 | 18,100,000 | $ 17,600,000 |
OGE Energy [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred Tax Assets, Valuation Allowance |  | $ 0 |  |
Deferred Tax Asset [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Unrecognized Tax Benefits | 16,400,000 |  |  |
Deferred Tax Asset [Member] | OGE Energy [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred Tax Assets, Valuation Allowance | $ 2,700,000 |  |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI https://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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