Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2025 USD ($)
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Impairments recorded for long-lived assets	$ 0
Nuclear Production [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	80 years
ASU 2023-09 [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Dec. 31, 2025
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true
Public Service Electric and Gas Company [Member] | ASU 2023-09 [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Dec. 31, 2025
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true