Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [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] Accumulated Other Comprehensive Income (Loss) [Member]	Public Service Electric and Gas Company [Member] Contributed Capital [Member]
Beginning Balance at Dec. 31, 2023	$ 15,477	$ 5,018	$ (1,379)	$ 12,017	$ (179)	$ 17,048	$ 892	$ 14,004	$ (4)	$ 2,156
Beginning Balance, Shares at Dec. 31, 2023		534
Treasury Stock, Beginning Balance, Shares at Dec. 31, 2023			(36)
Net Income (Loss)	966			966		790		790
Other Comprehensive Income (Loss), net of tax (expense) benefit	6				6
COMPREHENSIVE INCOME	972					790
Cash Dividends on Common Stock	(598)			(598)
Other	(27)	$ 2	$ (29)
Ending Balance, Shares at Jun. 30, 2024		534
Treasury Stock, Ending Balance, Shares at Jun. 30, 2024			(36)
Ending Balance at Jun. 30, 2024	15,824	$ 5,020	$ (1,408)	12,385	(173)	17,838	892	14,794	(4)	2,156
Beginning Balance at Mar. 31, 2024	15,718	$ 5,003	$ (1,366)	12,250	(169)	17,536	892	14,492	(4)	2,156
Beginning Balance, Shares at Mar. 31, 2024		534
Treasury Stock, Beginning Balance, Shares at Mar. 31, 2024			(35)
Net Income (Loss)	434			434		302		302
Other Comprehensive Income (Loss), net of tax (expense) benefit	(4)				(4)
COMPREHENSIVE INCOME	430					302
Cash Dividends on Common Stock	(299)			(299)
Other	(25)	$ 17	$ (42)
Other, Shares			(1)
Ending Balance, Shares at Jun. 30, 2024		534
Treasury Stock, Ending Balance, Shares at Jun. 30, 2024			(36)
Ending Balance at Jun. 30, 2024	15,824	$ 5,020	$ (1,408)	12,385	(173)	17,838	892	14,794	(4)	2,156
Beginning Balance at Dec. 31, 2024	$ 16,114	$ 5,057	$ (1,403)	12,593	(133)	18,445	892	15,401	(4)	2,156
Beginning Balance, Shares at Dec. 31, 2024		534
Treasury Stock, Beginning Balance, Shares at Dec. 31, 2024	36		(36)
Net Income (Loss)	$ 1,174			1,174		878		878
Other Comprehensive Income (Loss), net of tax (expense) benefit	10				10
COMPREHENSIVE INCOME	1,184					878
Cash Dividends on Common Stock	(629)			(629)
Other	$ 2	$ (28)	$ 30
Other, Shares			1
Ending Balance, Shares at Jun. 30, 2025		534
Treasury Stock, Ending Balance, Shares at Jun. 30, 2025	35		(35)
Ending Balance at Jun. 30, 2025	$ 16,671	$ 5,029	$ (1,373)	13,138	(123)	19,323	892	16,279	(4)	2,156
Beginning Balance at Mar. 31, 2025	16,370	$ 5,014	$ (1,376)	12,868	(136)	18,991	892	15,947	(4)	2,156
Beginning Balance, Shares at Mar. 31, 2025		534
Treasury Stock, Beginning Balance, Shares at Mar. 31, 2025			(35)
Net Income (Loss)	585			585		332		332
Other Comprehensive Income (Loss), net of tax (expense) benefit	13				13
COMPREHENSIVE INCOME	598					332
Cash Dividends on Common Stock	(315)			(315)
Other	$ 18	$ 15	$ 3
Ending Balance, Shares at Jun. 30, 2025		534
Treasury Stock, Ending Balance, Shares at Jun. 30, 2025	35		(35)
Ending Balance at Jun. 30, 2025	$ 16,671	$ 5,029	$ (1,373)	$ 13,138	$ (123)	$ 19,323	$ 892	$ 16,279	$ (4)	$ 2,156