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