Income Taxes - Schedule Of Effective Tax Rates (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Line Items]
Pre-Tax Income		$ 2,374	$ 1,825	$ 3,081
U.S. Federal Statutory Tax Rate		$ 499	$ 383	$ 647
U.S. Federal Statutory Tax Rate, Percent		21.00%	21.00%	21.00%
State and Local Income Taxes, Net of Federal Income Tax Effect (a)	[1]	$ 126	$ 122	$ 215
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]		NEW JERSEY	NEW JERSEY	NEW JERSEY
State and Local Income Taxes, Net of Federal Income Tax Effect, Percent	[1]	5.30%	6.70%	7.00%
Tax Credits
PTCs		$ 0	$ (350)	$ 0
PTCs, Percent		0.00%	(19.20%)	0.00%
Other Credits		$ (20)	$ (11)	$ (10)
Other Credits, Percent		(0.80%)	(0.60%)	(0.30%)
Nontaxable or Nondeductible items		$ (3)	$ 4	$ (8)
Nontaxable or Nondeductible Items, Percent		(0.10%)	0.20%	(0.30%)
Changes in Unrecognized Tax Benefits		$ 7	$ 95	$ (14)
Changes in Unrecognized Tax Benefits, Percent		0.30%	5.20%	(0.50%)
Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments:
NDT Fund		$ 31	$ 21	$ 26
NDT Fund, Percent		1.30%	1.20%	0.80%
Leasing Activities		$ 0	$ 0	$ (22)
Leasing Activities, Percent		0.00%	0.00%	(0.70%)
GPRC-CEF-EE		$ (75)	$ (52)	$ (52)
GPRC-CEF-EE, Percent		(3.20%)	(2.80%)	(1.70%)
Other Flow-Through Accounting		$ 10	$ (9)	$ (16)
Other Flow-Through Accounting, Percent		0.40%	(0.50%)	(0.50%)
TAC		$ (313)	$ (145)	$ (232)
TAC, Percent		(13.20%)	(7.90%)	(7.50%)
Other Adjustments		$ 1	$ (5)	$ (16)
Other Adjustments, Percent		0.00%	(0.30%)	(0.50%)
Total Income Tax Expense (Benefit)		$ 263	$ 53	$ 518
Effective Tax Rate, Percent		11.10%	2.90%	16.80%
Public Service Electric and Gas Company [Member]
Income Taxes [Line Items]
Pre-Tax Income		$ 1,897	$ 1,845	$ 1,675
U.S. Federal Statutory Tax Rate		$ 399	$ 387	$ 352
U.S. Federal Statutory Tax Rate, Percent		21.00%	21.00%	21.00%
State and Local Income Taxes, Net of Federal Income Tax Effect (a)	[2]	$ 133	$ 128	$ 121
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]		NEW JERSEY	NEW JERSEY	NEW JERSEY
State and Local Income Taxes, Net of Federal Income Tax Effect, Percent	[2]	7.00%	6.90%	7.20%
Tax Credits
Tax Credits		$ (9)	$ (9)	$ (9)
Tax Credits Percentage		(0.50%)	(0.50%)	(0.50%)
Nontaxable or Nondeductible items		$ 3	$ 2	$ 6
Nontaxable or Nondeductible Items, Percent		0.20%	0.10%	0.40%
Changes in Unrecognized Tax Benefits		$ 2	$ 0	$ (9)
Changes in Unrecognized Tax Benefits, Percent		0.10%	0.00%	(0.50%)
Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments:
GPRC-CEF-EE		$ (75)	$ (52)	$ (52)
GPRC-CEF-EE, Percent		(3.90%)	(2.80%)	(3.10%)
Other Flow-Through Accounting		$ 10	$ (9)	$ (16)
Other Flow-Through Accounting, Percent		0.50%	(0.50%)	(1.00%)
TAC		$ (313)	$ (145)	$ (232)
TAC, Percent		(16.50%)	(7.90%)	(13.90%)
Other Adjustments		$ 2	$ (4)	$ (1)
Other Adjustments, Percent		0.10%	(0.20%)	(0.10%)
Total Income Tax Expense (Benefit)		$ 152	$ 298	$ 160
Effective Tax Rate, Percent		8.00%	16.20%	9.60%

[1] State Taxes in New Jersey made up the majority (greater than 50%) of the tax effect in this category.

[2] State Taxes in New Jersey made up the majority (greater than 50%) of the tax effect in this category.