Other Income And Deductions (Schedule Of Other Income) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Component of Other Income [Line Items]
Investment Income, Interest and Dividend	$ 62		$ 59		$ 52
Components of Other Income [Roll Forward]
Allowance for Funds Used During Construction	65		71		87
Solar Loan Interest	10		13		15
Donations	(1)		(22)		(3)
Purchase of Tax Losses	(27)		(19)		(36)
Other	15		(4)		0
Total Other Income and Deductions	124		98		115
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	65		71		87
Solar Loan Interest	10		13		15
Donations	0		(1)		0
Purchase of Tax Losses	0		0		0
Other	13		5		6
Total Other Income and Deductions	88		88		108
PSEG Power & Other
Component of Other Income [Line Items]
Investment Income, Interest and Dividend	62		59		52
Components of Other Income [Roll Forward]
Allowance for Funds Used During Construction	0		0		0
Solar Loan Interest	0		0		0
Donations	(1)		(21)		(3)
Purchase of Tax Losses	(27)		(19)		(36)
Other	2		(9)		(6)
Total Other Income and Deductions	$ 36	[1]	$ 10	[1]	$ 7

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