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Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Cash, Cash Equivalents and Restricted Cash | 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, 2020 and 2021. Restricted cash consists primarily of deposits received related to various construction projects at PSE&G.
|  | PSE&G |  | Other (A) |  | Consolidated |
|  | Millions |
| As of December 31, 2020 |  |  |  |  |  |
| Cash and Cash Equivalents | $ | 204 |  |  | $ | 339 |  |  | $ | 543 |  |
| Restricted Cash in Other Current Assets | 7 |  |  | — |  |  | 7 |  |
| Restricted Cash in Other Noncurrent Assets | 22 |  |  | — |  |  | 22 |  |
| Cash, Cash Equivalents and Restricted Cash | $ | 233 |  |  | $ | 339 |  |  | $ | 572 |  |
| As of December 31, 2021 |  |  |  |  |  |
| Cash and Cash Equivalents | $ | 294 |  |  | $ | 524 |  |  | $ | 818 |  |
| Restricted Cash in Other Current Assets | 28 |  |  | — |  |  | 28 |  |
| Restricted Cash in Other Noncurrent Assets | 17 |  |  | — |  |  | 17 |  |
| Cash, Cash Equivalents and Restricted Cash | $ | 339 |  |  | $ | 524 |  |  | $ | 863 |  |
(A) Includes amounts applicable to PSEG (parent company), PSEG Power, Energy Holdings and Services.
Depreciation Rate Stated Percentage | PSE&G calculates depreciation under the straight-line method based on estimated average remaining lives of the several classes of property. These estimates are reviewed on a periodic basis and necessary adjustments are made as approved by the BPU or FERC. The average depreciation rate stated as a percentage of original cost of depreciable property was as follows:
|  |  | 2021 |  | 2020 |  | 2019 |
|  |  | Avg Rate |  | Avg Rate |  | Avg Rate |
| Electric Transmission |  | 2.29 | % |  | 2.41 | % |  | 2.41 | % |
| Electric Distribution |  | 2.56 | % |  | 2.55 | % |  | 2.54 | % |
| Gas Distribution |  | 1.84 | % |  | 1.84 | % |  | 1.85 | % |
PSEG calculates depreciation on its nuclear generation-related assets under the straight-line method based on the assets’ estimated useful lives of approximately 60 years to 80 years.
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, 2021, 2020 and 2019 were as follows:
|  |  | AFUDC/IDC Capitalized |
|  |  | 2021 |  | 2020 |  | 2019 |
|  |  | Millions |  | Avg Rate |  | Millions |  | Avg Rate |  | Millions |  | Avg Rate |
| PSE&G |  | $ | 93 |  |  | 7.37 | % |  | $ | 112 |  |  | 7.86 | % |  | $ | 81 |  |  | 7.22 | % |
| Other |  | $ | 9 |  |  | 4.90 | % |  | $ | 10 |  |  | 4.60 | % |  | $ | 27 |  |  | 4.60 | % |

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