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Organization, Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Cash, Cash Equivalents and Restricted Cash | The following provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts in the Consolidated Statements of Cash Flows for the years ended December 31, 2024 and 2023. Restricted cash consists primarily of deposits received related to a construction project at PSE&G.
|  |  | PSE&G |  |  | PSEG Power & Other (A) |  |  | Consolidated |  |
|  |  | Millions |  |
| As of December 31, 2024 |  |  |  |  |  |  |  |  |  |
| Cash and Cash Equivalents |  | $ | 79 |  |  | $ | 46 |  |  | $ | 125 |  |
| Restricted Cash in Other Current Assets |  |  | 8 |  |  |  | — |  |  |  | 8 |  |
| Restricted Cash in Other Noncurrent Assets |  |  | 21 |  |  |  | — |  |  |  | 21 |  |
| Cash, Cash Equivalents and Restricted Cash |  | $ | 108 |  |  | $ | 46 |  |  | $ | 154 |  |
| As of December 31, 2023 |  |  |  |  |  |  |  |  |  |
| Cash and Cash Equivalents |  | $ | 30 |  |  | $ | 24 |  |  | $ | 54 |  |
| Restricted Cash in Other Current Assets |  |  | 23 |  |  |  | — |  |  |  | 23 |  |
| Restricted Cash in Other Noncurrent Assets |  |  | 22 |  |  |  | — |  |  |  | 22 |  |
| Cash, Cash Equivalents and Restricted Cash |  | $ | 75 |  |  | $ | 24 |  |  | $ | 99 |  |
(A) Includes amounts applicable to PSEG Power, Energy Holdings, Services and PSEG (parent company).
Depreciation Rate Stated Percentage | The average depreciation rate stated as a percentage of original cost of depreciable property was as follows:
|  |  | Average Rate |  |
|  |  | 2024 |  |  | 2023 |  |  | 2022 |  |
| Electric Transmission |  |  | 2.09 | % |  |  | 2.09 | % |  |  | 2.18 | % |
| Electric Distribution |  |  | 2.51 | % |  |  | 2.54 | % |  |  | 2.56 | % |
| Gas Distribution |  |  | 1.84 | % |  |  | 1.84 | % |  |  | 1.93 | % |
Amounts and Average Rates Used to Calculate IDC or AFUDC | The amounts and average rates used to calculate AFUDC or IDC for the years ended December 31, 2024, 2023 and 2022 were as follows:
|  |  | AFUDC/IDC Capitalized |  |
|  |  | 2024 |  |  | 2023 |  |  | 2022 |  |
|  |  | Millions |  |  | Avg Rate |  |  | Millions |  |  | Avg Rate |  |  | Millions |  |  | Avg Rate |  |
| PSE&G |  | $ | 62 |  |  |  | 6.43 | % |  | $ | 83 |  |  |  | 7.13 | % |  | $ | 84 |  |  |  | 7.39 | % |
| Other |  | $ | 9 |  |  |  | 6.08 | % |  | $ | 9 |  |  |  | 5.66 | % |  | $ | 4 |  |  |  | 2.24 | % |

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