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Related-Party Transactions - Schedule of Related Party Transactions, Payables (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Related Party Transaction [Line Items] |  |  |
Accounts Payable |  | $ 1,136 | $ 1,214
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] | 209 | 264
Public Service Electric and Gas Company [Member] | PSEG Parent |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts Payable | [3] | 37 | 119
Public Service Electric and Gas Company [Member] | PSEG Services |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts Payable | [4] | 116 | 121
Public Service Electric and Gas Company [Member] | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts Payable |  | 362 | 504
Long Term Accrued Taxes Receivable |  | $ (2) |
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 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 pays net wages and payroll taxes and receives reimbursement from its affiliated companies for their respective portions. PSEG and its subsidiaries file a consolidated federal income tax return and PSEG and PSE&G file state income tax returns, some of which are combined or unitary. Income taxes are allocated to PSEG’s subsidiaries in accordance with a tax allocation agreement whereby each PSEG subsidiary’s current and deferred tax expense is computed on a stand-alone basis. Each subsidiary is allocated an amount of tax similar to that which would be paid if it filed a separate income tax return, except for certain tax attributes and state apportionment results. 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.
[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.

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