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Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) | Mar. 31, 2022 MW gal MWh MMBTU
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Electric Energy (MWh) |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 24,078,605
Capacity (MW) |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 37,114
Natural Gas (Dt) |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 229,787,936
Refined Fuels (gallons) |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 2,688,000
CECONY | Electric Energy (MWh) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 22,015,475
CECONY | Capacity (MW) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 26,100
CECONY | Natural Gas (Dt) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 214,090,000
CECONY | Refined Fuels (gallons) | Subsidiaries |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 2,688,000

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