Rate Filings (Details) $ in Millions	1 Months Ended
	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	May 31, 2024 USD ($)	Apr. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Feb. 28, 2024 USD ($)	Dec. 31, 2023 USD ($)
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		$ 5,479.0					$ 5,157.0
Regulatory Assets		305.0					273.0
Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		5,479.0					5,157.0
Regulatory Assets		305.0					$ 273.0
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] | Basic Gas Supply Service
Regulatory Assets And Liabilities [Line Items]
Approved BGSS rate per therm			0.33	0.40
Public Service Electric and Gas Company [Member] | Energy Strong II Electric
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount				$ 12.0
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		49.0
Public Utilities, Requested Rate Increase (Decrease), Amount		68.0
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		15.0
Public Utilities, Requested Rate Increase (Decrease), Amount		24.0
Public Service Electric and Gas Company [Member] | Infrastructure Advancement Program
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount			$ 5.0
Public Service Electric and Gas Company [Member] | Conservation Incentive Program
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount			107.0
Public Service Electric and Gas Company [Member] | Clean Energy Future Energy Efficiency
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Investment, Amount			$ 300.0
COVID-19 deferrals [Member] | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets		131.0
Electric Societal Benefits Clause | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount					$ 27.0
Gas Societal Benefit Clause | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount					$ 32.0
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						$ 40.0
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						$ 61.0
Electric Bad Debt Deferral | Public Service Electric and Gas Company [Member] | Societal Benefits Charges Sbc
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount		78.0
Regulatory Assets		139.0
Electric Transmission [Member] | Public Service Electric and Gas Company [Member]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount		$ 12.0
Subsequent Event [Member] | Public Service Electric and Gas Company [Member] | Conservation Incentive Program Electric
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount	$ 99.0