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Leases - Other Related Information (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Lessee, Lease, Description [Line Items] |  |
Weighted Average Remaining Lease Term, Operating leases (in years) | 10 years 9 months 18 days | 11 years 4 months 24 days
Weighted Average Remaining Lease Term, Finance leases (in years) | 6 years | 6 years 7 months 6 days
Weighted Average Discount Rate, Operating leases (percent) | 3.80% | 3.70%
Weighted Average Discount Rate, Finance leases (percent) | 2.00% | 3.00%
Clean Energy Businesses |  |
Lessee, Lease, Description [Line Items] |  |
Weighted Average Remaining Lease Term, Operating leases (in years) | 11 years 7 months 6 days |
Weighted Average Discount Rate, Operating leases (percent) | 3.80% |
Broken Bow II |  |
Lessee, Lease, Description [Line Items] |  |
Weighted Average Remaining Lease Term, Operating leases (in years) | 10 years 9 months 18 days |
Weighted Average Discount Rate, Operating leases (percent) | 3.80% |
CECONY |  |
Lessee, Lease, Description [Line Items] |  |
Weighted Average Remaining Lease Term, Operating leases (in years) | 10 years 7 months 6 days | 11 years 4 months 24 days
Weighted Average Remaining Lease Term, Finance leases (in years) | 5 years | 2 years 8 months 12 days
Weighted Average Discount Rate, Operating leases (percent) | 3.80% | 3.70%
Weighted Average Discount Rate, Finance leases (percent) | 1.60% | 3.10%

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