Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating Revenues		$ 2,423	$ 2,421	$ 5,183	$ 6,176
Operating Expenses [Abstract]
Energy Costs		732	604	1,729	1,686
Operation and Maintenance		824	744	1,607	1,487
Depreciation and Amortization		285	279	580	561
Total Operating Expenses		1,841	1,627	3,916	3,734
OPERATING INCOME		582	794	1,267	2,442
Income from Equity Method Investments		1	0	1	1
Net Gains (Losses) on Trust Investments		7	57	102	103
Net Other Income (Deductions)		47	49	82	91
Net Non-Operating Pension and OPEB Credits (Costs)		18	29	37	57
Interest Expense		(218)	(185)	(423)	(365)
Income Before Income Taxes		437	744	1,066	2,329
Income Tax Expense		(3)	(153)	(100)	(451)
Net Income	[1]	$ 434	$ 591	$ 966	$ 1,878
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (shares)		498	497	498	497
DILUTED (shares)		500	500	500	500
EARNINGS PER SHARE:
BASIC (dollars per share)		$ 0.87	$ 1.19	$ 1.94	$ 3.78
DILUTED (dollars per share)		$ 0.87	$ 1.18	$ 1.93	$ 3.76
Public Service Electric and Gas Company [Member]
Operating Revenues		$ 1,863	$ 1,662	$ 4,196	$ 3,955
Operating Expenses [Abstract]
Energy Costs		683	551	1,611	1,535
Operation and Maintenance		466	429	931	889
Depreciation and Amortization		247	240	504	484
Total Operating Expenses		1,396	1,220	3,046	2,908
OPERATING INCOME		467	442	1,150	1,047
Net Other Income (Deductions)		16	23	32	44
Net Non-Operating Pension and OPEB Credits (Costs)		19	28	38	56
Interest Expense		(141)	(123)	(279)	(236)
Income Before Income Taxes		361	370	941	911
Income Tax Expense		(59)	(34)	(151)	(88)
Net Income		$ 302	$ 336	$ 790	$ 823

[1] Includes net after-tax gains (losses) of $114 million and $212 million for the three months and $(72) million and $767 million for the six months ended June 30, 2024 and 2023, 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.