Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues		$ 9,800	$ 9,722	$ 9,603
Operating Expenses [Abstract]
Energy Costs		4,018	3,499	3,056
Operation and Maintenance		3,178	3,226	3,115
Depreciation and Amortization		1,100	1,216	1,285
(Gains) Losses on Asset Dispositions and Impairments		123	2,637	(123)
Total Operating Expenses		8,419	10,578	7,333
OPERATING INCOME		1,381	(856)	2,270
Income from Equity Method Investments		14	16	14
Net Gains (Losses) on NDT Fund Investments		(265)	194	253
Other Income (Deductions)		124	98	115
Non-Operating Pension and Other Postretirement Plan Credits (Costs)		376	328	249
Loss on Extinguishment of Debt		0	(298)	0
Interest Expense		(628)	(571)	(600)
Income (Loss) before Income Taxes		1,002	(1,089)	2,301
Income Tax (Expense) Benefit		29	441	(396)
Net Income (Loss)	[1]	$ 1,031	$ (648)	$ 1,905
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC		498	504	504
DILUTED		501	504	507
EARNINGS PER SHARE:
NET INCOME, BASIC		$ 2.07	$ (1.29)	$ 3.78
NET INCOME, DILUTED		$ 2.06	$ (1.29)	$ 3.76
Public Service Electric and Gas Company
Operating Revenues		$ 7,935	$ 7,122	$ 6,608
Operating Expenses [Abstract]
Energy Costs		3,270	2,688	2,469
Operation and Maintenance		1,838	1,692	1,614
Depreciation and Amortization		935	928	887
(Gains) Losses on Asset Dispositions and Impairments		0	(4)	(1)
Total Operating Expenses		6,043	5,304	4,969
OPERATING INCOME		1,892	1,818	1,639
Net Gains (Losses) on NDT Fund Investments		(2)	2	3
Other Income (Deductions)		88	88	108
Non-Operating Pension and Other Postretirement Plan Credits (Costs)		281	264	205
Interest Expense		(427)	(402)	(388)
Income (Loss) before Income Taxes		1,832	1,770	1,567
Income Tax (Expense) Benefit		(267)	(324)	(240)
Net Income (Loss)		$ 1,565	$ 1,446	$ 1,327

[1] Include 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. Includes an after-tax gain of $86 million in the year ended December 31, 2020 related to the sale of PSEG Power’s interest in the Yards Creek generation facility. See Note 4. Early Plant Retirements/Asset Dispositions and Impairments for additional information.(C)Includes net after-tax losses of $457 million, $446 million and $58 million in the years ended December 31, 2022, 2021 and 2020, 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.