Related-Party Transactions (Schedule Of Related Party Transactions, Payables) (Detail) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Accounts Payable		$ 980	$ 1,214
Accounts Receivable, net of allowance		1,523	1,482
Public Service Electric and Gas Company [Member]
Related Party Transaction [Line Items]
Working Capital Advances to Services	[1]	33	33
Public Service Electric and Gas Company [Member] | PSEG Power [Member]
Related Party Transaction [Line Items]
Accounts Payable	[2]	245	264
Public Service Electric and Gas Company [Member] | PSEG Parent
Related Party Transaction [Line Items]
Accounts Payable	[3]	171	119
Public Service Electric and Gas Company [Member] | PSEG Services
Related Party Transaction [Line Items]
Accounts Payable	[4]	89	121
Public Service Electric and Gas Company [Member] | Related Party
Related Party Transaction [Line Items]
Long Term Accrued Taxes Receivable		1	0
Accounts Payable		$ 505	504
Long Term Accrued Taxes Payable			$ (2)

[1] PSE&G has advanced working capital to Services. The amount is included in Other Noncurrent Assets on PSE&G’s Condensed Consolidated Balance Sheets.

[2] PSE&G has entered into a requirements contract with PSEG Power under which PSEG Power provides the gas supply services needed to meet PSE&G’s BGSS and other contractual requirements. In addition, PSEG Power sells ZECs to PSE&G from its nuclear units under the ZEC program as approved by the BPU. The rates in the BGSS contract and for the ZEC sales are prescribed by the BPU. BGSS sales are billed and settled on a monthly basis. ZEC sales are billed on a monthly basis and settled annually following completion of each energy year. In addition, PSEG Power and PSE&G provide certain technical services for each other generally at cost in compliance with FERC and BPU affiliate rules.

[3] PSEG files a consolidated federal income tax return with its affiliated companies. A tax allocation agreement exists between PSEG and each of its affiliated companies. The general operation of these agreements is that the subsidiary company will compute its taxable income on a separate return basis. If the result is a net tax liability, such amount shall be paid to PSEG. If there are NOLs and/or tax credits, the subsidiary shall receive payment for the tax savings from PSEG to the extent that PSEG is able to utilize those benefits. In addition, PSEG pays all payroll taxes and receives reimbursement from its affiliated companies for their respective portions.

[4] Services provides and bills administrative services to PSE&G at cost. In addition, PSE&G has other payables to Services, including amounts related to certain common costs, which Services pays on behalf of PSE&G.