Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)	$ 1,174	$ 966
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	628	580
Amortization of Nuclear Fuel	101	93
Provision for Deferred Income Taxes and ITC	76	123
Non-Cash Employee Benefit Plan (Credits) Costs	38	37
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(13)	100
Cost of Removal	(72)	(91)
Energy Efficiency Programs Regulatory Investment Expenditures	(318)	(237)
Amortization of Energy Efficiency Programs Regulatory Investment Expenditures	79	57
Net Change in Other Regulatory Assets and Liabilities	110	(51)
Net (Gains) Losses and (Income) Expense from NDT Fund	(144)	(137)
Net Change in Certain Current Assets and Liabilities:
Prepayments	(248)	(205)
Cash Collateral	(13)	(24)
Obligation to Return Cash Collateral	11	9
Other Current Assets and Liabilities	102	(56)
Employee Benefit Plan Funding and Related Payments	(28)	(31)
Other	44	10
Net Cash Provided By (Used In) Operating Activities	1,527	1,143
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,415)	(1,634)
Proceeds from Sales of Trust Investments	731	814
Purchases of Trust Investments	(756)	(841)
Other	52	49
Net Cash Provided By (Used In) Investing Activities	(1,388)	(1,612)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(943)	430
Repayment of Short-Term Loans	0	(500)
Issuance of Long-Term Debt	3,150	2,250
Repayment of Long-Term Debt	(1,600)	(1,000)
Cash Dividends Paid on Common Stock	(629)	(598)
Other	(56)	(67)
Net Cash Provided By (Used In) Financing Activities	(78)	515
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	61	46
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	154	99
Cash, Cash Equivalents and Restricted Cash at End of Period	215	145
Supplemental Disclosure of Cash Flow Information:
Net Income Taxes Paid (Received)	(55)	17
Interest Paid, Net of Amounts Capitalized	442	375
Accrued Property, Plant and Equipment Expenditures	371	383
Public Service Electric and Gas Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)	878	790
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	555	504
Provision for Deferred Income Taxes and ITC	(1)	97
Non-Cash Employee Benefit Plan (Credits) Costs	22	20
Cost of Removal	(72)	(91)
Energy Efficiency Programs Regulatory Investment Expenditures	(318)	(237)
Amortization of Energy Efficiency Programs Regulatory Investment Expenditures	79	57
Net Change in Other Regulatory Assets and Liabilities	110	(51)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	(127)	(20)
Fuel, Materials and Supplies	17	(86)
Prepayments	(274)	(200)
Accounts Payable	62	(19)
Accounts Receivable/Payable-Affiliated Companies, net	(3)	4
Obligation to Return Cash Collateral	11	9
Other Current Assets and Liabilities	53	14
Employee Benefit Plan Funding and Related Payments	(17)	(21)
Other	(21)	(31)
Net Cash Provided By (Used In) Operating Activities	954	739
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,279)	(1,485)
Proceeds from Sales of Trust Investments	3	2
Purchases of Trust Investments	(2)	(2)
Other	13	15
Net Cash Provided By (Used In) Investing Activities	(1,265)	(1,470)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(244)	(35)
Issuance of Long-Term Debt	900	1,000
Repayment of Long-Term Debt	(350)	(250)
Other	(12)	(12)
Net Cash Provided By (Used In) Financing Activities	294	703
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	(17)	(28)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	108	75
Cash, Cash Equivalents and Restricted Cash at End of Period	91	47
Supplemental Disclosure of Cash Flow Information:
Net Income Taxes Paid (Received)	(21)	13
Interest Paid, Net of Amounts Capitalized	295	251
Accrued Property, Plant and Equipment Expenditures	$ 283	$ 310