Rate Filings (Details) $ in Millions	1 Months Ended
	Jul. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	May 31, 2023 USD ($)	Apr. 30, 2023 USD ($)	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		$ 4,813.0					$ 4,404.0
Regulatory Assets		358.0					369.0
Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		4,813.0					4,404.0
Regulatory Assets		358.0					$ 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, Approved Rate Increase (Decrease), Amount			$ 11.0
Public Service Electric and Gas Company [Member] | Basic Gas Supply Service
Regulatory Assets And Liabilities [Line Items]
Approved BGSS rate per therm		0.40		0.47
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, Approved Rate Increase (Decrease), Amount				$ 16.0
Public Utilities, Requested Rate Increase (Decrease), Amount			15.0
Public Service Electric and Gas Company [Member] | Energy Strong II Gas
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved 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				53.0
Public Utilities, Requested Rate Increase (Decrease), Amount				110.0
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		$ 30.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program Electric
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount			72.0		$ 52.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program Gas After Twelve Months
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				11.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program Gas First Twelve Months
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount				$ 99.0
Public Service Electric and Gas Company [Member] | Electric Green Program Recovery [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount			87.0
Public Utilities, Requested Rate Increase (Decrease), Amount		38.0
Public Service Electric and Gas Company [Member] | Gas Green Program Recovery [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount			5.0
Public Utilities, Requested Rate Increase (Decrease), Amount		20.0
Public Service Electric and Gas Company [Member] | Clean Energy Future
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount			$ 280.0
Public Service Electric and Gas Company [Member] | Formula Rate True up
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount		(21.0)
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] | Tax Adjustment Credits Gas Distribution [Member] | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount	$ (42.0)
Subsequent Event [Member] | Tax Adjustment Credits Electric Distribution [Member] | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount	$ 17.0