Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues		$ 2,421	$ 2,076	$ 6,176	$ 4,389
Operating Expenses [Abstract]
Energy Costs		604	765	1,686	2,010
Operation and Maintenance		744	751	1,487	1,545
Depreciation and Amortization		279	269	561	552
(Gains) Losses on Asset Dispositions and Impairments		0	(5)	0	38
Total Operating Expenses		1,627	1,780	3,734	4,145
OPERATING INCOME (LOSS)		794	296	2,442	244
Income from Equity Method Investments		0	7	1	11
Net Gains (Losses) on Trust Investments		57	(187)	103	(255)
Other Income (Deductions)		49	38	91	43
Non-Operating Pension and OPEB Credits (Costs)		29	94	57	188
Interest Expense		(185)	(150)	(365)	(287)
Income Before Income Taxes		744	98	2,329	(56)
Income Tax Benefit (Expense)		(153)	33	(451)	185
Net Income (Loss)	[1]	$ 591	$ 131	$ 1,878	$ 129
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (shares)		497	497	497	499
DILUTED (shares)		500	500	500	502
EARNINGS PER SHARE:
BASIC (dollars per share)		$ 1.19	$ 0.26	$ 3.78	$ 0.26
DILUTED (dollars per share)		$ 1.18	$ 0.26	$ 3.76	$ 0.26
Public Service Electric and Gas Company [Member]
Operating Revenues		$ 1,662	$ 1,668	$ 3,955	$ 3,952
Operating Expenses [Abstract]
Energy Costs		551	630	1,535	1,598
Operation and Maintenance		429	434	889	897
Depreciation and Amortization		240	227	484	468
Total Operating Expenses		1,220	1,291	2,908	2,963
OPERATING INCOME (LOSS)		442	377	1,047	989
Net Gains (Losses) on Trust Investments		0	(2)	0	(2)
Other Income (Deductions)		23	22	44	41
Non-Operating Pension and OPEB Credits (Costs)		28	71	56	141
Interest Expense		(123)	(107)	(236)	(210)
Income Before Income Taxes		370	361	911	959
Income Tax Benefit (Expense)		(34)	(56)	(88)	(145)
Net Income (Loss)		$ 336	$ 305	$ 823	$ 814

[1] Includes net after-tax gains (losses) of $212 million and $(74) million for the three months and $767 million and $(682) million for the six months ended June 30, 2023 and 2022, 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.