Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [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] Accumulated Other Comprehensive Income (Loss) [Member]	Public Service Electric and Gas Company [Member] Contributed Capital [Member]
Beginning Balance at Dec. 31, 2021	$ 14,438	$ 5,045	$ 10,639	$ (350)	$ (896)	$ 14,573	$ 892	$ 11,524	$ 1	$ 2,156
Beginning Balance, Shares at Dec. 31, 2021		534.0			(30.0)
Net Income (Loss)	1,031		1,031			1,565		1,565
Other Comprehensive Income (Loss), net of tax (expense) benefit	(200)			(200)		(6)			(6)
Comprehensive Income	831					1,559
Cash Dividends on Common Stock	(1,079)		(1,079)			(450)		(450)
Payments for Share Repurchase Program	$ (500)				$ (500)
Payments for Share Repurchase Program, Shares	(7.4)				(7.0)
Other	$ 39	$ 20			$ 19
Ending Balance at Dec. 31, 2022	13,729	$ 5,065	10,591	(550)	$ (1,377)	15,682	892	12,639	(5)	2,156
Ending Balance, Shares at Dec. 31, 2022		534.0			(37.0)
Net Income (Loss)	2,563		2,563			1,515		1,515
Other Comprehensive Income (Loss), net of tax (expense) benefit	371			371		1			1
Comprehensive Income	2,934					1,516
Cash Dividends on Common Stock	(1,137)		(1,137)			(150)		(150)
Payments for Share Repurchase Program	0
Other	(49)	$ (47)			$ (2)
Other, Shares					1.0
Ending Balance at Dec. 31, 2023	15,477	$ 5,018	12,017	(179)	$ (1,379)	17,048	892	14,004	(4)	2,156
Ending Balance, Shares at Dec. 31, 2023		534.0			(36.0)
Net Income (Loss)	1,772		1,772			1,547		1,547
Other Comprehensive Income (Loss), net of tax (expense) benefit	46			46
Comprehensive Income	1,818					1,547
Cash Dividends on Common Stock	(1,196)		(1,196)			(150)		(150)
Payments for Share Repurchase Program	0
Other	15	$ 39			$ (24)
Ending Balance at Dec. 31, 2024	$ 16,114	$ 5,057	$ 12,593	$ (133)	$ (1,403)	$ 18,445	$ 892	$ 15,401	$ (4)	$ 2,156
Ending Balance, Shares at Dec. 31, 2024		534.0			(36.0)