Rate Filings (Details) $ in Millions	1 Months Ended
	Apr. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		$ 4,546.0				$ 4,404.0
Regulatory Assets		291.0				369.0
Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		4,546.0				4,404.0
Regulatory Assets		291.0				$ 369.0
Public Service Electric and Gas Company [Member] | ZEC Liability
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount				$ (1.3)
Public Service Electric and Gas Company [Member] | COVID-19 Deferral - Bad Debt portion
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		68.0
Public Service Electric and Gas Company [Member] | Gas System Modernization Program II [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount		11.0
Public Service Electric and Gas Company [Member] | Basic Gas Supply Service
Regulatory Assets And Liabilities [Line Items]
BGSS self implementing increase (decrease)			0.03	0.15
Public Service Electric and Gas Company [Member] | Energy Strong II Electric
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount			$ 16.0
Public Service Electric and Gas Company [Member] | Energy Strong II Gas
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount			4.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount					$ 52.0
Public Utilities, Requested Rate Increase (Decrease), Amount			$ 61.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program First Twelve Months
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount					18.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program After Twelve Months
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount					$ 34.0
Public Service Electric and Gas Company [Member] | Pension Ratemaking deferral
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		15.0
COVID-19 deferrals [Member] | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		$ 131.0
Remediation Adjustment Clause | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				$ 44.0
Electric Societal Benefits Clause | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				52.0
Gas Societal Benefit Clause | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				$ 32.0
Subsequent Event [Member] | Public Service Electric and Gas Company [Member] | Basic Gas Supply Service
Regulatory Assets And Liabilities [Line Items]
Approved BGSS rate per therm	0.47
Subsequent Event [Member] | Public Service Electric and Gas Company [Member] | Conservation Incentive Program
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount	$ 53.0