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Commitments and Contingencies (Details-1)
$ in Millions
Mar. 31, 2023
USD ($)
Columbia Units [Member]  
Public Utilities, General Disclosures [Line Items]  
Approximate Costs For Environmental Regulation $ 4
Elm Road Units [Member]  
Public Utilities, General Disclosures [Line Items]  
Projected Costs For Environmental Regulation $ 4