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Related-Party Transactions (Schedule Of Related Party Transactions, Revenue) (Detail) - Public Service Electric and Gas Company [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Related Party Transaction [Line Items]        
Net Billings from Power primarily through BGS and BGSS [1] $ 232 $ 172 $ 812 $ 667
Administrative Billings from Services [2] 113 92 212 179
Total Billings from Affiliates $ 345 $ 264 $ 1,024 $ 846
[1] 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. PSEG Power has also entered into contracts to supply energy, capacity and ancillary services to PSE&G through the BGS auction process and sells ZECs to PSE&G under the ZEC program. As of June 1, 2022, PSEG Power has no BGS contracts supplying PSE&G. The rates in the BGS and BGSS contracts and for the ZEC sales are prescribed by the BPU. BGS and 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.
[2] 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.