Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Operating Revenues		$ 3,755	$ 2,313
Operating Expenses [Abstract]
Energy Costs		1,082	1,245
Operation and Maintenance		743	794
Depreciation and Amortization		282	283
(Gains) Losses on Asset Dispositions and Impairments		0	43
Total Operating Expenses		2,107	2,365
OPERATING INCOME (LOSS)		1,648	(52)
Income from Equity Method Investments		1	4
Net Gains (Losses) on Trust Investments		46	(68)
Other Income (Deductions)		42	5
Non-Operating Pension and OPEB Credits (Costs)		28	94
Interest Expense		(180)	(137)
Income Before Income Taxes		1,585	(154)
Income Tax Benefit (Expense)		(298)	152
Net Income (Loss)	[1]	$ 1,287	$ (2)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (shares)		497	501
DILUTED (shares)		500	501
EARNINGS PER SHARE:
BASIC (dollars per share)		$ 2.59	$ 0.00
DILUTED (dollars per share)		$ 2.58	$ 0.00
Public Service Electric and Gas Company [Member]
Operating Revenues		$ 2,293	$ 2,284
Operating Expenses [Abstract]
Energy Costs		984	968
Operation and Maintenance		460	463
Depreciation and Amortization		244	241
Total Operating Expenses		1,688	1,672
OPERATING INCOME (LOSS)		605	612
Other Income (Deductions)		21	19
Non-Operating Pension and OPEB Credits (Costs)		28	70
Interest Expense		(113)	(103)
Income Before Income Taxes		541	598
Income Tax Benefit (Expense)		(54)	(89)
Net Income (Loss)		$ 487	$ 509

[1] Includes net after-tax gains of $555 million and net after-tax losses of $608 million for the three months ended March 31, 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.