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Related-Party Transactions (Schedule Of Related Party Transactions, Payables) (Detail) - PSE And G [Member] - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017
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Related Party Transaction [Line Items] |  |  |
Payable To Power | [1] | $ 215 | $ 221
Payable To Services | [2] | 65 | 78
Payable to PSEG | [3] | 105 | 41
Accounts Payable - Affiliated Companies |  | 385 | 340
Working Capital Advances to Services | [4] | 33 | 33
Long-Term Accrued Taxes Payable |  | $ 93 | $ 91
[1] | PSE&G has entered into a requirements contract with Power under which Power provides the gas supply services needed to meet PSE&G’s BGSS and other contractual requirements. Power has also entered into contracts to supply energy, capacity and ancillary services to PSE&G through the BGS auction process. The rates in the BGS and BGSS contracts are prescribed by the BPU. In addition, Power and PSE&G provide certain technical services for each other generally at cost in compliance with FERC and BPU affiliate rules.
[2] | Services provides and bills administrative services to PSE&G and Power at cost. In addition, PSE&G and Power have other payables to Services, including amounts related to certain common costs, such as pension and OPEB costs, which Services pays on behalf of each of the operating companies.
[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 stand-alone basis. If the result is a net tax liability, such amount shall be paid to PSEG. If there are net operating losses 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] | PSE&G and Power have advanced working capital to Services. The amounts are included in Other Noncurrent Assets on PSE&G’s and Power’s Condensed Consolidated Balance Sheets.

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