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Related-Party Transactions (Tables) - Public Service Electric and Gas Company [Member] | 3 Months Ended
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Mar. 31, 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 |
|  |  |  | March 31, |
| Related-Party Transactions |  |  |  |  | 2022 |  | 2021 |
|  |  |  |  | Millions |
| Billings from Affiliates: |  |  |  |  |  |  |  |
| Net Billings from PSEG Power (A) |  |  |  |  | $ | 580 |  |  | $ | 495 |  |
| Administrative Billings from Services (B) |  |  |  |  | 99 |  |  | 87 |  |
| Total Billings from Affiliates |  |  |  |  | $ | 679 |  |  | $ | 582 |  |
Schedule Of Related Party Transactions, Payables |
|  | As of |  | As of |
| Related-Party Transactions | March 31, 2022 |  | December 31, 2021 |
|  | Millions |
| Payable to PSEG Power (A) | $ | 195 |  |  | $ | 244 |  |
| Payable to Services (B) | 87 |  |  | 111 |  |
| Payable to PSEG (C) | 138 |  |  | 63 |  |
| Accounts Payable—Affiliated Companies | $ | 420 |  |  | $ | 418 |  |
| Working Capital Advances to Services (D) | $ | 33 |  |  | $ | 33 |  |
| Long-Term Accrued Taxes Payable | $ | 6 |  |  | $ | 6 |  |

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