Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Net Income (Loss)	[1]	$ 532	$ 1,287
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit		(10)	26
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit		18	(1)
Pension/Other Postretirement Benefit (OPEB) adjustment, net of tax (expense) benefit		2	3
Other Comprehensive Income (Loss), net of tax		10	28
COMPREHENSIVE INCOME (LOSS)		542	1,315
Public Service Electric and Gas Company [Member]
Net Income (Loss)		488	487
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit		0	1
Other Comprehensive Income (Loss), net of tax			1
COMPREHENSIVE INCOME (LOSS)		$ 488	$ 488

[1] Includes net after-tax gains (losses) of $(186) million and $555 million for the three months ended March 31, 2024 and 2023, 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.