Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Revenues	$ 2,313	$ 2,889
Operating Expenses [Abstract]
Energy Costs	1,245	1,029
Operation and Maintenance	794	778
Depreciation and Amortization	283	341
(Gains) Losses on Asset Dispositions and Impairments	43	0
Total Operating Expenses	2,365	2,148
OPERATING INCOME (LOSS)	(52)	741
Income from Equity Method Investments	4	3
Net Gains (Losses) on Trust Investments	(68)	60
Other Income (Deductions)	5	25
Non-Operating Pension and OPEB Credits (Costs)	94	82
Interest Expense	(137)	(146)
Income Before Income Taxes	(154)	765
Income Tax Benefit (Expense)	152	(117)
Net Income (Loss)	$ (2)	$ 648
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (shares)	501	504
DILUTED (shares)	501	507
EARNINGS PER SHARE:
BASIC (dollars per share)	$ 0.00	$ 1.29
DILUTED (dollars per share)	$ 0.00	$ 1.28
Public Service Electric and Gas Company [Member]
Operating Revenues	$ 2,284	$ 2,073
Operating Expenses [Abstract]
Energy Costs	968	849
Operation and Maintenance	463	424
Depreciation and Amortization	241	241
Total Operating Expenses	1,672	1,514
OPERATING INCOME (LOSS)	612	559
Net Gains (Losses) on Trust Investments	0	1
Other Income (Deductions)	19	28
Non-Operating Pension and OPEB Credits (Costs)	70	66
Interest Expense	(103)	(98)
Income Before Income Taxes	598	556
Income Tax Benefit (Expense)	(89)	(79)
Net Income (Loss)	$ 509	$ 477