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Held-for-Sale Treatment of the Clean Energy Businesses - Additional Information (Details)
$ in Millions
1 Months Ended 12 Months Ended
Jan. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
MWh
Mar. 01, 2023
USD ($)
MWh
Oct. 01, 2022
USD ($)
Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Consideration the project is sold $ 54     $ 3,993 $ 6,800
Downward price adjustment 33 $ 33      
Downward price adjustment, after tax 25 $ 25      
Electric Energy          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Notional amount | MWh     36,356,085    
Broken Bow II | Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Consideration the project is sold $ 54        
Broken Bow II | Electric Energy | Clean Energy Businesses          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Notional amount | MWh       75