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Variable Interest Entities - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) project | Dec. 31, 2023 USD ($) | Dec. 31, 2018 | Mar. 01, 2023 solarProject
Variable Interest Entity [Line Items] |  |  |  |
Number of solar projects | 2 |  |  | 2
Clean Energy Businesses |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Equity method investment | $ 0 |  |  |
Loss from the project, pre-tax | 3,000,000 | $ 14,000,000 |  |
Loss from the project, after-tax | $ 2,500,000 | $ 10,000,000 |  |
Variable Interest Entity, Primary Beneficiary | Clean Energy Businesses | Tax Equity Projects | Consolidated Edison Development |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Percentage of variable interests (less than) |  |  | 100.00% |

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