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Variable Interest Entities - Additional Information (Details)
12 Months Ended
Dec. 31, 2023
USD ($)
project
Dec. 31, 2018
Mar. 01, 2023
USD ($)
solarProject
Jun. 30, 2021
USD ($)
Variable Interest Entity [Line Items]        
Number of solar projects 2   2  
Clean Energy Businesses        
Variable Interest Entity [Line Items]        
Equity method investment $ 0   $ 20,000,000 $ 11,000,000
Loss from the project, pre-tax 14,000,000      
Loss from the project, after-tax $ 10,000,000      
Variable Interest Entity, Primary Beneficiary | Clean Energy Businesses | Tax Equity Projects | Con Edison        
Variable Interest Entity [Line Items]        
Percentage of variable interests (less than)   100.00%