Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 1,772	$ 2,563	$ 1,031
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	1,182	1,135	1,100
Amortization of Nuclear Fuel	191	189	183
Losses on Asset Dispositions and Impairments	6	7	123
Emission Allowances and Renewable Energy Credit (REC) Compliance Accrual	0	3	55
Provision for Deferred Income Taxes and ITC	263	355	(261)
Non-Cash Employee Benefit Plan (Credits) Costs	75	366	(239)
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	210	(1,333)	639
Cost of Removal	(170)	(166)	(129)
Energy Efficiency Programs Regulatory Investment Expenditures	(544)	(466)	(286)
Amortization of Energy Efficiency Programs Regulatory Investment Expenditures	125	82	48
Net Change in Other Regulatory Assets and Liabilities	(273)	2	(78)
Net (Gains) Losses and (Income) Expense from NDT Fund	(194)	(248)	202
Net Change in Certain Current Assets and Liabilities:
Tax Receivable	(384)	75	1
Cash Collateral	(131)	1,408	(677)
Obligation to Return Cash Collateral	4	(201)	111
Accrued Taxes	2	(10)	(94)
Other Current Assets and Liabilities	(95)	35	(188)
Employee Benefit Plan Funding and Related Payments	(53)	(40)	(35)
Other	147	50	(3)
Net Cash Provided By (Used In) Operating Activities	2,133	3,806	1,503
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(3,380)	(3,325)	(2,888)
Proceeds from Sales of Trust Investments	1,537	1,714	1,586
Purchases of Trust Investments	(1,563)	(1,751)	(1,611)
Proceeds from Sales of Long-Lived Assets and Lease Investments	0	37	1,918
Proceeds from Sales of Equity Method Investments	0	291	0
Contributions to Equity Method Investments	0	0	(124)
Other	100	76	18
Net Cash Provided By (Used In) Investing Activities	(3,306)	(2,958)	(1,101)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	744	250	(819)
Proceeds from Short-Term Loans	400	750	2,000
Repayment of Short-Term Loans	(500)	(2,250)	(2,500)
Issuance of Long-Term Debt	3,350	2,800	2,850
Redemption of Long-Term Debt	(1,500)	(1,575)	(700)
Payments for Share Repurchase Program	0	0	(500)
Cash Dividends Paid on Common Stock	(1,196)	(1,137)	(1,079)
Other	(70)	(98)	(6)
Net Cash Provided By (Used In) Financing Activities	1,228	(1,260)	(754)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	55	(412)	(352)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	99	511	863
Cash, Cash Equivalents and Restricted Cash at End of Period	154	99	511
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	68	144	353
Interest Paid, Net of Amounts Capitalized	799	683	602
Accrued Property, Plant and Equipment Expenditures	326	443	366
Public Service Electric and Gas Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	1,547	1,515	1,565
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	1,025	980	935
Provision for Deferred Income Taxes and ITC	365	29	137
Non-Cash Employee Benefit Plan (Credits) Costs	41	8	(179)
Cost of Removal	(170)	(166)	(129)
Energy Efficiency Programs Regulatory Investment Expenditures	(544)	(466)	(286)
Amortization of Energy Efficiency Programs Regulatory Investment Expenditures	125	82	48
Net Change in Other Regulatory Assets and Liabilities	(273)	2	(78)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	(188)	72	(132)
Fuel, Materials and Supplies	(123)	(211)	(73)
Prepayments	29	(50)	8
Accounts Payable	34	13	96
Accounts Receivable/Payable-Affiliated Companies, net	(47)	(3)	18
Obligation to Return Cash Collateral	4	(201)	111
Other Current Assets and Liabilities	(29)	23	44
Employee Benefit Plan Funding and Related Payments	(32)	(20)	(17)
Other	(39)	(67)	(40)
Net Cash Provided By (Used In) Operating Activities	1,725	1,540	2,028
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(2,921)	(2,998)	(2,590)
Proceeds from Sales of Trust Investments	6	4	12
Purchases of Trust Investments	(4)	(3)	(10)
Other	33	33	45
Net Cash Provided By (Used In) Investing Activities	(2,886)	(2,964)	(2,543)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	19	425	0
Issuance of Long-Term Debt	2,100	1,800	900
Redemption of Long-Term Debt	(750)	(825)	0
Cash Dividends Paid on Common Stock	(150)	(150)	(450)
Other	(25)	(17)	(8)
Net Cash Provided By (Used In) Financing Activities	1,194	1,233	442
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	33	(191)	(73)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	75	266	339
Cash, Cash Equivalents and Restricted Cash at End of Period	108	75	266
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	68	77	137
Interest Paid, Net of Amounts Capitalized	523	449	409
Accrued Property, Plant and Equipment Expenditures	$ 286	$ 395	$ 331