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Related-Party Transactions (Tables) - Public Service Electric and Gas Company | 12 Months Ended
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Dec. 31, 2021
Related Party Transaction [Line Items] |
Schedule Of Related Party Transactions, Revenue | The financial statements for PSE&G include transactions with related parties presented as follows:
|  |  | Years Ended December 31, |
| Related Party Transactions |  | 2021 |  | 2020 |  | 2019 |
|  |  | Millions |
| Billings from Affiliates: |  |  |  |  |  |  |
| Net Billings from PSEG Power (A) |  | $ | 1,144 |  |  | $ | 1,207 |  |  | $ | 1,512 |  |
| Administrative Billings from Services (B) |  | 394 |  |  | 337 |  |  | 310 |  |
| Total Billings from Affiliates |  | $ | 1,538 |  |  | $ | 1,544 |  |  | $ | 1,822 |  |
Schedule Of Related Party Transactions, Payables |
|  |  | Years Ended December 31, |
| Related Party Transactions |  | 2021 |  | 2020 |
|  |  | Millions |
| Payable to PSEG Power (A) |  | $ | 244 |  |  | $ | 273 |  |
| Payable to Services (B) |  | 111 |  |  | 95 |  |
| Payable to PSEG (C) |  | 63 |  |  | 111 |  |
| Accounts Payable—Affiliated Companies |  | $ | 418 |  |  | $ | 479 |  |
| Working Capital Advances to Services (D) |  | $ | 33 |  |  | $ | 33 |  |
| Long-Term Accrued Taxes Payable |  | $ | 6 |  |  | $ | 7 |  |

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