Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Millions	Total		Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock, Common	Public Service Electric and Gas Company	Public Service Electric and Gas Company Common Stock [Member]	Public Service Electric and Gas Company Contributed Capital [Member]	Public Service Electric and Gas Company Retained Earnings [Member]	Public Service Electric and Gas Company Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance (in value) at Dec. 31, 2020	$ 15,984		$ 5,031	$ 12,318	$ (504)	$ (861)	$ 13,129	$ 892	$ 2,156	$ 10,078	$ 3
Beginning Balance, shares at Dec. 31, 2020			534,000			(30,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	(648)	[1],[2]		(648)			1,446			1,446
Other Comprehensive Income (Loss), net of tax
Other Comprehensive Income (Loss), net of tax	154				154		(2)				(2)
Comprehensive Income	(494)						1,444
Cash Dividends on Common Stock	(1,031)			(1,031)	0
Other	(21)		$ 14	0	0	$ (35)
Treasury Stock, Shares, Acquired			0			0
Ending Balance (in value) at Dec. 31, 2021	$ 14,438		$ 5,045	10,639	(350)	$ (896)	14,573	892	2,156	11,524	1
Ending Balance, shares at Dec. 31, 2021			534,000			(30,000)
Other Comprehensive Income (Loss), net of tax
Common Stock, Dividends, Per Share, Cash Paid	$ 2.04
Other Comprehensive Income (Loss), tax	$ (51)						1
Payments for Repurchase of Common Stock	0
Net Income (Loss)	1,031	[1],[2]		1,031			1,565			1,565
Other Comprehensive Income (Loss), net of tax	(200)				(200)		(6)				(6)
Comprehensive Income	831						1,559
Cash Dividends on Common Stock	(1,079)			(1,079)	0		(450)			(450)
Other	39		$ 20	0	0	$ 19
Treasury Stock, Shares, Acquired			0			0
Ending Balance (in value) at Dec. 31, 2022	$ 13,729		$ 5,065	10,591	(550)	$ (1,377)	15,682	892	2,156	12,639	(5)
Ending Balance, shares at Dec. 31, 2022			534,000			(37,000)
Other Comprehensive Income (Loss), net of tax
Common Stock, Dividends, Per Share, Cash Paid	$ 2.16
Other Comprehensive Income (Loss), tax	$ 111						2
Treasury Stock, Shares, Acquired	(7,400)					(7,000)
Payments for Repurchase of Common Stock	$ (500)					$ (500)
Net Income (Loss)	2,563	[1],[2]		2,563			1,515			1,515
Other Comprehensive Income (Loss), net of tax	371				371		1				1
Comprehensive Income	2,934						1,516
Cash Dividends on Common Stock	(1,137)			(1,137)	0		(150)			(150)
Other	(49)		$ (47)	0	0	$ (2)
Treasury Stock, Shares, Acquired			0			1,000
Ending Balance (in value) at Dec. 31, 2023	$ 15,477		$ 5,018	$ 12,017	$ (179)	$ (1,379)	17,048	$ 892	$ 2,156	$ 14,004	$ (4)
Ending Balance, shares at Dec. 31, 2023			534,000			(36,000)
Other Comprehensive Income (Loss), net of tax
Common Stock, Dividends, Per Share, Cash Paid	$ 2.28
Other Comprehensive Income (Loss), tax	$ (156)						$ 0
Payments for Repurchase of Common Stock	$ 0

[1] Includes a $239 million after-tax pension charge due to the remeasurement of the qualified pension plans as a result of the pension settlement transaction in the third quarter of 2023. Includes after-tax impairments of $92 million related to certain Energy Holdings investments and additional adjustments related to the sale of PSEG Power’s fossil generation assets in the year ended December 31, 2022. Includes after-tax impairment losses and other charges, including debt extinguishment costs, related to the sale of the fossil generating assets at PSEG Power of $2,158 million in the year ended December 31, 2021. See Note 3. Asset Dispositions and Impairments for additional information.

[2] Includes net after-tax gain (loss) of $959 million, $(457) million and $(446) million in the years ended December 31, 2023, 2022 and 2021, respectively at PSEG Power related to the impacts of non-trading commodity mark-to-market activity, which consists of the financial impact from positions with future delivery dates.