Description of Business, Basis of Presentation, Significant Accounting Policies, and Recent Accounting Pronouncements - Schedule of Utility Plant (Details)	12 Months Ended
	Dec. 31, 2025
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life	30 years
Office buildings and other structures
Property, Plant and Equipment [Line Items]
Useful life	30 years
Transmission and distribution plant | Minimum
Property, Plant and Equipment [Line Items]
Useful life	10 years
Transmission and distribution plant | Maximum
Property, Plant and Equipment [Line Items]
Useful life	50 years