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Revenues Revenues (Tables) | 12 Months Ended
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Dec. 31, 2023
Revenues [Abstract] |
Disaggregation of Revenue [Table Text Block] | Disaggregation of Revenues
|  | PSE&G |  | PSEG Power & Other (A) |  | Eliminations |  | Consolidated |
|  | Millions |
| Year Ended December 31, 2023 |  |  |  |  |  |  |  |
| Revenues from Contracts with Customers |  |  |  |  |  |  |  |
| Electric Distribution | $ | 3,494 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,494 |  |
| Gas Distribution | 1,982 |  |  | — |  |  | — |  |  | 1,982 |  |
| Transmission | 1,673 |  |  | — |  |  | — |  |  | 1,673 |  |
| Electricity and Related Product Sales |  |  |  |  |  |  |  |
| PJM |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 892 |  |  | — |  |  | 892 |  |
| Sales to Affiliates | — |  |  | 114 |  |  | (114) |  |  | — |  |
| ISO-NE | — |  |  | 13 |  |  | — |  |  | 13 |  |
| Gas Sales |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 206 |  |  | — |  |  | 206 |  |
| Sales to Affiliates | — |  |  | 984 |  |  | (984) |  |  | — |  |
| Other Revenues from Contracts with Customers (B) | 368 |  |  | 631 |  |  | (5) |  |  | 994 |  |
| Total Revenues from Contracts with Customers | 7,517 |  |  | 2,840 |  |  | (1,103) |  |  | 9,254 |  |
| Revenues Unrelated to Contracts with Customers (C) | 290 |  |  | 1,693 |  |  | — |  |  | 1,983 |  |
| Total Operating Revenues | $ | 7,807 |  |  | $ | 4,533 |  |  | $ | (1,103) |  |  | $ | 11,237 |  |
|  | PSE&G |  | PSEG Power & Other (A) |  | Eliminations |  | Consolidated |
|  | Millions |
| Year Ended December 31, 2022 |  |  |  |  |  |  |  |
| Revenues from Contracts with Customers |  |  |  |  |  |  |  |
| Electric Distribution | $ | 3,503 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,503 |  |
| Gas Distribution | 2,357 |  |  | — |  |  | (1) |  |  | 2,356 |  |
| Transmission | 1,589 |  |  | — |  |  | — |  |  | 1,589 |  |
| Electricity and Related Product Sales |  |  |  |  |  |  |  |
| PJM |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 2,152 |  |  | — |  |  | 2,152 |  |
| Sales to Affiliates | — |  |  | 151 |  |  | (151) |  |  | — |  |
| NYISO | — |  |  | 88 |  |  | — |  |  | 88 |  |
| ISO-NE | — |  |  | 96 |  |  | — |  |  | 96 |  |
| Gas Sales |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 458 |  |  | — |  |  | 458 |  |
| Sales to Affiliates | — |  |  | 1,243 |  |  | (1,243) |  |  | — |  |
| Other Revenues from Contracts with Customers (B) | 390 |  |  | 605 |  |  | (6) |  |  | 989 |  |
| Total Revenues from Contracts with Customers | 7,839 |  |  | 4,793 |  |  | (1,401) |  |  | 11,231 |  |
| Revenues Unrelated to Contracts with Customers (C) | 96 |  |  | (1,527) |  |  | — |  |  | (1,431) |  |
| Total Operating Revenues | $ | 7,935 |  |  | $ | 3,266 |  |  | $ | (1,401) |  |  | $ | 9,800 |  |
|  | PSE&G |  | PSEG Power & Other (A) |  | Eliminations |  | Consolidated |
|  | Millions |
| Year Ended December 31, 2021 |  |  |  |  |  |  |  |
| Revenues from Contracts with Customers |  |  |  |  |  |  |  |
| Electric Distribution | $ | 3,279 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,279 |  |
| Gas Distribution | 1,875 |  |  | — |  |  | (13) |  |  | 1,862 |  |
| Transmission | 1,611 |  |  | — |  |  | — |  |  | 1,611 |  |
| Electricity and Related Product Sales |  |  |  |  |  |  |  |
| PJM |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 2,003 |  |  | — |  |  | 2,003 |  |
| Sales to Affiliates | — |  |  | 265 |  |  | (265) |  |  | — |  |
| NYISO | — |  |  | 247 |  |  | — |  |  | 247 |  |
| ISO-NE | — |  |  | 172 |  |  | — |  |  | 172 |  |
| Gas Sales |  |  |  |  |  |  |  |
| Third-Party Sales | — |  |  | 181 |  |  | — |  |  | 181 |  |
| Sales to Affiliates | — |  |  | 886 |  |  | (886) |  |  | — |  |
| Other Revenues from Contracts with Customers (B) | 343 |  |  | 620 |  |  | (3) |  |  | 960 |  |
| Total Revenues from Contracts with Customers | 7,108 |  |  | 4,374 |  |  | (1,167) |  |  | 10,315 |  |
| Revenues Unrelated to Contracts with Customers (C) | 14 |  |  | (607) |  |  | — |  |  | (593) |  |
| Total Operating Revenues | $ | 7,122 |  |  | $ | 3,767 |  |  | $ | (1,167) |  |  | $ | 9,722 |  |
(A)Includes revenues applicable to PSEG Power, PSEG LI and Energy Holdings. (B)Includes primarily revenues from appliance repair services and the sale of solar renewable energy credits (SRECs) at auction at PSE&G. PSEG Power & Other includes PSEG Power’s energy management fee with LIPA and PSEG LI’s OSA with LIPA. (C)Includes primarily alternative revenues at PSE&G principally from the CIP program in 2022 and 2023 and net realized and unrealized gains (losses) on derivative contracts and lease contracts at PSEG Power & Other.
Revenue, Capacity Auction Obligations [Table Text Block] | Capacity Revenues from the PJM Annual Base Residual and Incremental Auctions—The Base Residual Auction is generally conducted annually three years in advance of the operating period. The 2023/2024 auction was held in June 2022. In February 2023, the results of the 2024/2025 auction held in December 2022 were released. PSEG Power expects to realize the following average capacity prices resulting from the base and incremental auctions, including unit specific bilateral contracts for previously cleared capacity obligations.
| Delivery Year |  | $ per MW-Day |  | MW Cleared |
| June 2023 to May 2024 |  | $50 |  | 3,700 |
| June 2024 to May 2025 |  | $55 |  | 3,500 |
Capacity transactions with the PJM Regional Transmission Organization are reported on a net basis dependent on PSEG Power’s monthly net sale or purchase position.
Accounts Receivable, Allowance for Credit Loss | The following provides a reconciliation of PSE&G’s allowance for credit losses for the years ended December 31, 2023 and 2022.
|  | Years Ended December 31, |
|  | 2023 |  | 2022 |
|  | Millions |
| Balance at Beginning of Year | $ | 339 |  |  | $ | 337 |  |
| Utility Customer and Other Accounts |  |  |  |
| Provision | 100 |  |  | 114 |  |
| Write-offs, net of Recoveries of $25 million and $46 million for 2023 and 2022, respectively | (156) |  |  | (112) |  |
| Balance at End of Year | $ | 283 |  |  | $ | 339 |  |

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