Assets and Liabilities Held-for-Sale - Additional Information (Details)	Sep. 30, 2023 MWh
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period to obtain consent (in years)	2 years
Electric Energy (MWh)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional amount	30,376,045
Clean Energy Businesses | Broken Bow II | Electric Energy (MWh)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional amount	75