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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Taxes [Line Items] |
Unrecognized Tax Benefits |
| 2021 |  | PSEG |  | PSE&G |
|  |  | Millions |
| Total Amount of Unrecognized Tax Benefits as of January 1, 2021 |  | $ | 147 |  |  | $ | 30 |  |
| Increases as a Result of Positions Taken in a Prior Period |  | 58 |  |  | 8 |  |
| Decreases as a Result of Positions Taken in a Prior Period |  | (19) |  |  | (12) |  |
| Increases as a Result of Positions Taken during the Current Period |  | 6 |  |  | 1 |  |
| Decreases as a Result of Positions Taken during the Current Period |  | — |  |  | — |  |
| Decreases as a Result of Settlements with Taxing Authorities |  | — |  |  | — |  |
| Decreases due to Lapses of Applicable Statute of Limitations |  | — |  |  | — |  |
| Total Amount of Unrecognized Tax Benefits as of December 31, 2021 |  | $ | 192 |  |  | $ | 27 |  |
| Accumulated Deferred Income Taxes Associated with Unrecognized Tax Benefits |  | (76) |  |  | (15) |  |
| Regulatory Asset—Unrecognized Tax Benefits |  | (7) |  |  | (7) |  |
| Total Amount of Unrecognized Tax Benefits that if Recognized, would Impact the Effective Tax Rate (including Interest and Penalties) |  | $ | 109 |  |  | $ | 5 |  |
| 2020 |  | PSEG |  | PSE&G |
|  |  | Millions |
| Total Amount of Unrecognized Tax Benefits as of January 1, 2020 |  | $ | 321 |  |  | $ | 124 |  |
| Increases as a Result of Positions Taken in a Prior Period |  | 33 |  |  | 21 |  |
| Decreases as a Result of Positions Taken in a Prior Period |  | (91) |  |  | (51) |  |
| Increases as a Result of Positions Taken during the Current Period |  | — |  |  | — |  |
| Decreases as a Result of Positions Taken during the Current Period |  | — |  |  | — |  |
| Decreases as a Result of Settlements with Taxing Authorities |  | (116) |  |  | (64) |  |
| Decreases due to Lapses of Applicable Statute of Limitations |  | — |  |  | — |  |
| Total Amount of Unrecognized Tax Benefits as of December 31, 2020 |  | $ | 147 |  |  | $ | 30 |  |
| Accumulated Deferred Income Taxes Associated with Unrecognized Tax Benefits |  | (69) |  |  | (12) |  |
| Regulatory Asset—Unrecognized Tax Benefits |  | (15) |  |  | (15) |  |
| Total Amount of Unrecognized Tax Benefits that if Recognized, would Impact the Effective Tax Rate (including Interest and Penalties) |  | $ | 63 |  |  | $ | 3 |  |
In April 2020, the Joint Committee on Taxation approved PSEG’s nuclear carryback claim and federal tax returns for the years 2011 and 2012. In June 2020, the federal income tax audits for years 2011 through 2016 and the nuclear carryback claim were concluded.
| 2019 |  | PSEG |  | PSE&G |
|  |  | Millions |
| Total Amount of Unrecognized Tax Benefits as of January 1, 2019 |  | $ | 318 |  |  | $ | 108 |  |
| Increases as a Result of Positions Taken in a Prior Period |  | 17 |  |  | 5 |  |
| Decreases as a Result of Positions Taken in a Prior Period |  | (37) |  |  | (1) |  |
| Increases as a Result of Positions Taken during the Current Period |  | 27 |  |  | 12 |  |
| Decreases as a Result of Positions Taken during the Current Period |  | — |  |  | — |  |
| Decreases as a Result of Settlements with Taxing Authorities |  | (4) |  |  | — |  |
| Decreases due to Lapses of Applicable Statute of Limitations |  | — |  |  | — |  |
| Total Amount of Unrecognized Tax Benefits as of December 31, 2019 |  | $ | 321 |  |  | $ | 124 |  |
| Accumulated Deferred Income Taxes Associated with Unrecognized Tax Benefits |  | (184) |  |  | (71) |  |
| Regulatory Asset—Unrecognized Tax Benefits |  | (46) |  |  | (46) |  |
| Total Amount of Unrecognized Tax Benefits that if Recognized, would Impact the Effective Tax Rate (including Interest and Penalties) |  | $ | 91 |  |  | $ | 7 |  |
Interest And Penalties Related To Uncertain Tax Positions | PSEG and its subsidiaries include accrued interest and penalties related to uncertain tax positions required to be recorded as Income Tax Expense in the Consolidated Statements of Operations. Accumulated interest and penalties that are recorded on the Consolidated Balance Sheets on uncertain tax positions were as follows:
|  |  | Accumulated Interest and Penalties on Uncertain Tax Positions as of December 31, |
|  |  | 2021 |  | 2020 |  | 2019 |
|  |  | Millions |
| PSEG |  | $ | 31 |  |  | $ | 29 |  |  | $ | 40 |  |
| PSE&G |  | $ | 9 |  |  | $ | 9 |  |  | $ | 16 |  |
Possible Decrease In Total Unrecognized Tax Benefits Including Interest | It is reasonably possible that total unrecognized tax benefits will significantly increase or decrease within the next twelve months due to either agreements with various taxing authorities upon audit, the expiration of the Statute of Limitations, or other pending tax matters. These potential increases or decreases are as follows:
| Possible Decrease in Total Unrecognized Tax Benefits |  | Over the next 12 Months |
|  |  | Millions |
| PSEG |  | $ | 25 |  |
| PSE&G |  | $ | 15 |  |
Description Of Income Tax Years By Material Jurisdictions | A description of income tax years that remain subject to examination by material jurisdictions, where an examination has not already concluded are:
|  |  | PSEG |  | PSE&G |
| United States |  |  |  |  |
| Federal |  | 2017-2020 |  | N/A |
| New Jersey |  | 2011-2020 |  | 2011-2020 |
| Pennsylvania |  | 2017-2020 |  | 2018-2020 |
| Connecticut |  | 2018-2020 |  | N/A |
| Maryland |  | 2018-2020 |  | N/A |
| New York |  | 2017-2020 |  | N/A |
PSEG [Member] |
Income Taxes [Line Items] |
Schedule of Effective Income Tax Rate Reconciliation | A reconciliation of reported income tax expense for PSEG with the amount computed by multiplying pre-tax income by the statutory federal income tax rate of 21% is as follows:
|  |  | Years Ended December 31, |
| PSEG |  | 2021 |  | 2020 |  | 2019 |
|  |  | Millions |
| Net Income (Loss) |  | $ | (648) |  |  | $ | 1,905 |  |  | $ | 1,693 |  |
| Income Taxes: |  |  |  |  |  |  |
| Operating Income: |  |  |  |  |  |  |
| Current (Benefit) Expense: |  |  |  |  |  |  |
| Federal |  | $ | 407 |  |  | $ | 385 |  |  | $ | 84 |  |
| State |  | (3) |  |  | 48 |  |  | 18 |  |
| Total Current |  | 404 |  |  | 433 |  |  | 102 |  |
| Deferred Expense (Benefit): |  |  |  |  |  |  |
| Federal |  | (700) |  |  | (164) |  |  | 3 |  |
| State |  | (136) |  |  | 141 |  |  | 132 |  |
| Total Deferred |  | (836) |  |  | (23) |  |  | 135 |  |
| ITC |  | (9) |  |  | (14) |  |  | 20 |  |
| Total Income Tax Expense (Benefit) |  | $ | (441) |  |  | $ | 396 |  |  | $ | 257 |  |
| Pre-Tax Income (Loss) |  | $ | (1,089) |  |  | $ | 2,301 |  |  | $ | 1,950 |  |
| Tax Computed at Statutory Rate @ 21% |  | $ | (229) |  |  | $ | 483 |  |  | $ | 410 |  |
| Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments: |  |  |  |  |  |  |
| State Income Taxes (net of federal income tax) |  | (109) |  |  | 147 |  |  | 117 |  |
| Uncertain Tax Positions |  | 19 |  |  | 3 |  |  | — |  |
| NDT Fund |  | 23 |  |  | 32 |  |  | 34 |  |
| Plant-Related Items |  | (7) |  |  | (9) |  |  | (2) |  |
| Tax Credits |  | 29 |  |  | (18) |  |  | (18) |  |
| Audit Settlement |  | (8) |  |  | (27) |  |  | — |  |
| Leasing Activities |  | (1) |  |  | (35) |  |  | — |  |
| GPRC-CEF-EE |  | (13) |  |  | — |  |  | — |  |
| TAC |  | (171) |  |  | (205) |  |  | (272) |  |
| Bad Debt Flow-Through |  | 27 |  |  | 28 |  |  | — |  |
| Other |  | (1) |  |  | (3) |  |  | (12) |  |
| Subtotal |  | (212) |  |  | (87) |  |  | (153) |  |
| Total Income Tax Expense (Benefit) |  | $ | (441) |  |  | $ | 396 |  |  | $ | 257 |  |
| Effective Income Tax Rate |  | 40.5 | % |  | 17.2 | % |  | 13.2 | % |
Deferred Income Taxes | The following is an analysis of deferred income taxes for PSEG:
|  |  | As of December 31, |
| PSEG |  | 2021 |  | 2020 |
|  |  | Millions |
| Deferred Income Taxes |  |  |  |  |
| Assets: |  |  |  |  |
| Noncurrent: |  |  |  |  |
| Regulatory Liability Excess Deferred Tax |  | $ | 439 |  |  | $ | 485 |  |
| OPEB |  | 107 |  |  | 135 |  |
| Bad Debt |  | 67 |  |  | 40 |  |
| Related to Uncertain Tax Positions |  | 30 |  |  | 29 |  |
| Interest Disallowance Carryforward |  | — |  |  | 39 |  |
| Operating Leases |  | 48 |  |  | 60 |  |
| Other |  | 253 |  |  | 130 |  |
| Total Noncurrent Assets |  | $ | 944 |  |  | $ | 918 |  |
| Liabilities: |  |  |  |  |
| Noncurrent: |  |  |  |  |
| Plant-Related Items |  | $ | 4,701 |  |  | $ | 5,163 |  |
| New Jersey Corporate Business Tax |  | 939 |  |  | 1,016 |  |
| Leasing Activities |  | 113 |  |  | 133 |  |
| AROs and NDT Fund |  | 270 |  |  | 324 |  |
| Taxes Recoverable Through Future Rates (net) |  | 120 |  |  | 114 |  |
| Pension Costs |  | 169 |  |  | 97 |  |
| Operating Leases |  | 43 |  |  | 55 |  |
| Other |  | 271 |  |  | 247 |  |
| Total Noncurrent Liabilities |  | $ | 6,626 |  |  | $ | 7,149 |  |
| Summary of Accumulated Deferred Income Taxes: |  |  |  |  |
| Net Noncurrent Deferred Income Tax Liabilities |  | $ | 5,682 |  |  | $ | 6,231 |  |
| ITC |  | 77 |  |  | 271 |  |
| Net Total Noncurrent Deferred Income Taxes and ITC |  | $ | 5,759 |  |  | $ | 6,502 |  |
The deferred tax effect of certain assets and liabilities is presented in the table above net of the deferred tax effect associated with the respective regulatory deferrals.
Public Service Electric and Gas Company |
Income Taxes [Line Items] |
Schedule of Effective Income Tax Rate Reconciliation | A reconciliation of reported income tax expense for PSE&G with the amount computed by multiplying pre-tax income by the statutory federal income tax rate of 21% is as follows:
|  |  | Years Ended December 31, |
| PSE&G |  | 2021 |  | 2020 |  | 2019 |
|  |  | Millions |
| Net Income |  | $ | 1,446 |  |  | $ | 1,327 |  |  | $ | 1,250 |  |
| Income Taxes: |  |  |  |  |  |  |
| Operating Income: |  |  |  |  |  |  |
| Current (Benefit) Expense: |  |  |  |  |  |  |
| Federal |  | $ | 208 |  |  | $ | 179 |  |  | $ | 121 |  |
| State |  | 1 |  |  | 8 |  |  | — |  |
| Total Current |  | 209 |  |  | 187 |  |  | 121 |  |
| Deferred Expense (Benefit): |  |  |  |  |  |  |
| Federal |  | (33) |  |  | (71) |  |  | (156) |  |
| State |  | 153 |  |  | 128 |  |  | 117 |  |
| Total Deferred |  | 120 |  |  | 57 |  |  | (39) |  |
| ITC |  | (5) |  |  | (4) |  |  | 11 |  |
| Total Income Tax Expense |  | $ | 324 |  |  | $ | 240 |  |  | $ | 93 |  |
| Pre-Tax Income |  | $ | 1,770 |  |  | $ | 1,567 |  |  | $ | 1,343 |  |
| Tax Computed at Statutory Rate @ 21% |  | $ | 372 |  |  | $ | 329 |  |  | $ | 282 |  |
| Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments: |  |  |  |  |  |  |
| State Income Taxes (net of federal income tax) |  | 122 |  |  | 106 |  |  | 92 |  |
| Uncertain Tax Positions |  | 2 |  |  | 4 |  |  | 1 |  |
| Plant-Related Items |  | (7) |  |  | (9) |  |  | (2) |  |
| Tax Credits |  | (8) |  |  | (9) |  |  | (8) |  |
| Audit Settlement |  | (1) |  |  | (2) |  |  | — |  |
| GPRC-CEF-EE |  | (13) |  |  | — |  |  | — |  |
| TAC |  | (171) |  |  | (205) |  |  | (272) |  |
| Bad Debt Flow-Through |  | 27 |  |  | 28 |  |  | — |  |
| Other |  | 1 |  |  | (2) |  |  | — |  |
| Subtotal |  | (48) |  |  | (89) |  |  | (189) |  |
| Total Income Tax Expense |  | $ | 324 |  |  | $ | 240 |  |  | $ | 93 |  |
| Effective Income Tax Rate |  | 18.3 | % |  | 15.3 | % |  | 6.9 | % |
Deferred Income Taxes | The following is an analysis of deferred income taxes for PSE&G:
|  |  | As of December 31, |
| PSE&G |  | 2021 |  | 2020 |
|  |  | Millions |
| Deferred Income Taxes |  |  |  |  |
| Assets: |  |  |  |  |
| Noncurrent: |  |  |  |  |
| Regulatory Liability Excess Deferred Tax |  | $ | 439 |  |  | $ | 485 |  |
| OPEB |  | 61 |  |  | 82 |  |
| Bad Debt |  | 67 |  |  | 40 |  |
| Operating Leases |  | 20 |  |  | 21 |  |
| Other |  | 57 |  |  | 52 |  |
| Total Noncurrent Assets |  | $ | 644 |  |  | $ | 680 |  |
| Liabilities: |  |  |  |  |
| Noncurrent: |  |  |  |  |
| Plant-Related Items |  | $ | 4,006 |  |  | $ | 3,874 |  |
| New Jersey Corporate Business Tax |  | 863 |  |  | 721 |  |
| Pension Costs |  | 180 |  |  | 166 |  |
| Taxes Recoverable Through Future Rates (net) |  | 120 |  |  | 114 |  |
| Conservation Costs |  | 75 |  |  | 61 |  |
| Operating Leases |  | 19 |  |  | 21 |  |
| Related to Uncertain Tax Positions |  | 1 |  |  | 5 |  |
| Other |  | 178 |  |  | 161 |  |
| Total Noncurrent Liabilities |  | $ | 5,442 |  |  | $ | 5,123 |  |
| Summary of Accumulated Deferred Income Taxes: |  |  |  |  |
| Net Noncurrent Deferred Income Tax Liabilities |  | $ | 4,798 |  |  | $ | 4,443 |  |
| ITC |  | 76 |  |  | 81 |  |
| Net Total Noncurrent Deferred Income Taxes and ITC |  | $ | 4,874 |  |  | $ | 4,524 |  |
The deferred tax effect of certain assets and liabilities is presented in the table above net of the deferred tax effect associated with the respective regulatory deferrals.

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