Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total		Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Public Service Electric and Gas Company [Member]	Public Service Electric and Gas Company [Member] Common Stock [Member]	Public Service Electric and Gas Company [Member] Retained Earnings [Member]	Public Service Electric and Gas Company [Member] AOCI Attributable to Parent [Member]	Public Service Electric and Gas Company [Member] Contributed Capital [Member]
Beginning Balance at Dec. 31, 2022	$ 13,729		$ 5,065	$ 10,591	$ (550)	$ (1,377)	$ 15,682	$ 892	$ 12,639	$ (5)	$ 2,156
Beginning Balance, Shares at Dec. 31, 2022			534			(37)
Net Income (Loss)	2,017	[1]		2,017			1,224		1,224
Other Comprehensive Income (Loss), net of tax (expense) benefit	337				337
Comprehensive Income	2,354						1,224
Cash Dividends on Common Stock	(853)			(853)			(75)		(75)
Other	(64)		$ (57)			$ (7)
Other, Shares						1
Ending Balance, Shares at Sep. 30, 2023			534			(36)
Ending Balance at Sep. 30, 2023	15,166		$ 5,008	11,755	(213)	$ (1,384)	16,831	892	13,788	(5)	2,156
Beginning Balance at Jun. 30, 2023	15,053		$ 5,054	11,900	(515)	$ (1,386)	16,506	892	13,462	(4)	2,156
Beginning Balance, Shares at Jun. 30, 2023			534			(37)
Net Income (Loss)	139	[1]		139			401		401
Other Comprehensive Income (Loss), net of tax (expense) benefit	302				302		(1)			(1)
Comprehensive Income	441						400
Cash Dividends on Common Stock	(284)			(284)			(75)		(75)
Other	(44)		$ (46)			$ 2
Other, Shares						1
Ending Balance, Shares at Sep. 30, 2023			534			(36)
Ending Balance at Sep. 30, 2023	15,166		$ 5,008	11,755	(213)	$ (1,384)	16,831	892	13,788	(5)	2,156
Beginning Balance at Dec. 31, 2023	15,477		$ 5,018	12,017	(179)	$ (1,379)	17,048	892	14,004	(4)	2,156
Beginning Balance, Shares at Dec. 31, 2023			534			(36)
Net Income (Loss)	1,486	[1]		1,486			1,169		1,169
Other Comprehensive Income (Loss), net of tax (expense) benefit	37				37		1			1
Comprehensive Income	1,523						1,170
Cash Dividends on Common Stock	(897)			(897)
Other	(8)		$ 18			$ (26)
Ending Balance, Shares at Sep. 30, 2024			534			(36)
Ending Balance at Sep. 30, 2024	16,095		$ 5,036	12,606	(142)	$ (1,405)	18,218	892	15,173	(3)	2,156
Beginning Balance at Jun. 30, 2024	15,824		$ 5,020	12,385	(173)	$ (1,408)	17,838	892	14,794	(4)	2,156
Beginning Balance, Shares at Jun. 30, 2024			534			(36)
Net Income (Loss)	520	[1]		520			379		379
Other Comprehensive Income (Loss), net of tax (expense) benefit	31				31		1			1
Comprehensive Income	551						380
Cash Dividends on Common Stock	(299)			(299)
Other	19		$ 16			$ 3
Ending Balance, Shares at Sep. 30, 2024			534			(36)
Ending Balance at Sep. 30, 2024	$ 16,095		$ 5,036	$ 12,606	$ (142)	$ (1,405)	$ 18,218	$ 892	$ 15,173	$ (3)	$ 2,156

[1] Includes net after-tax gains (losses) of $17 million and $(17) million for the three months and $(55) million and $750 million for the nine months ended September 30, 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.