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Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) | Dec. 31, 2022 gal MMBTU MWh MW
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Electric Energy |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 33,546,670
Capacity |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 46,116
Natural Gas |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 290,398,144
Refined Fuels |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 168,000
CECONY | Electric Energy |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 31,567,400
CECONY | Capacity |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 30,675
CECONY | Natural Gas |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 272,790,000
CECONY | Refined Fuels |
Derivatives, Fair Value [Line Items] |
Notional amount | gal | 168,000
Clean Energy Businesses | Electric Energy |
Derivatives, Fair Value [Line Items] |
Notional amount | MWh | 240
Clean Energy Businesses | Capacity |
Derivatives, Fair Value [Line Items] |
Notional amount | MW | 8,616
Clean Energy Businesses | Natural Gas |
Derivatives, Fair Value [Line Items] |
Notional amount | MMBTU | 3,518,144

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