Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Net Income (Loss)	[1]	$ 1,287	$ (2)
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit		26	(61)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit		(1)	1
Pension/Other Postretirement Benefit (OPEB) adjustment, net of tax (expense) benefit		3	0
Other Comprehensive Income (Loss), net of tax		28	(60)
COMPREHENSIVE INCOME (LOSS)		1,315	(62)
Public Service Electric and Gas Company [Member]
Net Income (Loss)		487	509
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit		1	(3)
Other Comprehensive Income (Loss), net of tax		1	(3)
COMPREHENSIVE INCOME (LOSS)		$ 488	$ 506

[1] Includes net after-tax gains of $555 million and net after-tax losses of $608 million for the three months ended March 31, 2023 and 2022, respectively, at PSEG Power related to the impacts of non-trading commodity mark-to-market activity, which consist of the financial impact from positions with future delivery dates.