Other Income And Deductions (Schedule Of Other Income) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Component of Other Income [Line Items]
Investment Income, Interest and Dividend	$ 68		$ 62		$ 59
Components of Other Income [Roll Forward]
Allowance for Funds Used During Construction	60		65		71
Solar Loan Interest	7		10		13
Donations	(1)		(1)		(22)
Purchase of Tax Losses			(27)		(19)
Other	(8)		(6)		(11)
Total Other Income and Deductions	172		124		98
Interest Income, Other	46		21		7
Public Service Electric and Gas Company
Component of Other Income [Line Items]
Investment Income, Interest and Dividend	0		0		0
Components of Other Income [Roll Forward]
Allowance for Funds Used During Construction	60		65		71
Solar Loan Interest	7		10		13
Donations	(1)		0		(1)
Purchase of Tax Losses			0		0
Other	2		4		4
Total Other Income and Deductions	80		88		88
Interest Income, Other	12		9		1
PSEG Power & Other
Component of Other Income [Line Items]
Investment Income, Interest and Dividend	68		62		59
Components of Other Income [Roll Forward]
Allowance for Funds Used During Construction	0		0		0
Solar Loan Interest	0		0		0
Donations	0		(1)		(21)
Purchase of Tax Losses			(27)		(19)
Other	(10)		(10)		(15)
Total Other Income and Deductions	92	[1]	36	[1]	10
Interest Income, Other	$ 34		$ 12		$ 6

[1] PSEG Power & Other consists of activity at PSEG Power, Energy Holdings, PSEG LI, Services, PSEG (parent company) and intercompany eliminations.