cm:Concept: us-gaap:AmortizationOfPowerContractsEmissionCredits
Amortization of Power Contracts Emission Credits |
us-gaap:AmortizationOfPowerContractsEmissionCredits |
The expense charged against earnings for the periodic recognition of capitalized costs related to purchasing power, fuel, or emission credits. These items may be purchased in one accounting period but are deducted from earnings over time through amortization. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:AmortizationOfPowerContractsEmissionCredits |