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Related-Party Transactions (Tables) - Public Service Electric and Gas Company [Member] | 6 Months Ended
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Jun. 30, 2022
Related Party Transaction [Line Items] |
Schedule Of Related Party Transactions, Revenue | PSE&G The financial statements for PSE&G include transactions with related parties presented as follows:
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
| Related-Party Transactions | 2022 |  | 2021 |  | 2022 |  | 2021 |
|  | Millions |
| Billings from Affiliates: |  |  |  |  |  |  |  |
| Net Billings from PSEG Power (A) | $ | 232 |  |  | $ | 172 |  |  | $ | 812 |  |  | $ | 667 |  |
| Administrative Billings from Services (B) | 113 |  |  | 92 |  |  | 212 |  |  | 179 |  |
| Total Billings from Affiliates | $ | 345 |  |  | $ | 264 |  |  | $ | 1,024 |  |  | $ | 846 |  |
Schedule Of Related Party Transactions, Payables |
|  | As of |  | As of |
| Related-Party Transactions | June 30, 2022 |  | December 31, 2021 |
|  | Millions |
| Payable to PSEG Power (A) | $ | 144 |  |  | $ | 244 |  |
| Payable to Services (B) | 81 |  |  | 111 |  |
| Payable to PSEG (C) | 26 |  |  | 63 |  |
| Accounts Payable—Affiliated Companies | $ | 251 |  |  | $ | 418 |  |
| Noncurrent Payable to PSEG Power (A) | $ | 9 |  |  | $ | — |  |
| Working Capital Advances to Services (D) | $ | 33 |  |  | $ | 33 |  |
| Long-Term Accrued Taxes Payable | $ | 7 |  |  | $ | 6 |  |

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