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Income Taxes (Reconciliation Of Reported Income Tax Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Taxes [Line Items] |  |  |  |  |
Net Income | $ (648) | [1] | $ 1,905 | [1] | $ 1,693
Federal | 407 |  | 385 |  | 84
State | (3) |  | 48 |  | 18
Total Current | 404 |  | 433 |  | 102
Federal | (700) |  | (164) |  | 3
State | (136) |  | 141 |  | 132
Total Deferred | (836) |  | (23) |  | 135
Investment tax credit | (9) |  | (14) |  | 20
Total Income Tax | (441) |  | 396 |  | 257
Pre-Tax Income | (1,089) |  | 2,301 |  | 1,950
Tax Computed at Statutory Rate | (229) |  | 483 |  | 410
State Income Taxes (net of federal income tax) | (109) |  | 147 |  | 117
Uncertain Tax Positions | 19 |  | 3 |  | 0
Nuclear Decommissioning Trust | 23 |  | 32 |  | 34
Plant-Related Items | (7) |  | (9) |  | (2)
Effective Income Tax Rate Reconciliation, Tax Credit adjustment | 29 |  |  |  |
Tax Credits |  |  | (18) |  | (18)
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount | (8) |  | (27) |  | 0
Effective Income Tax Rate Reconciliation, Leasing Activities, Amount | (1) |  | (35) |  | 0
Effective Income Tax Rate Reconciliation, GPRC | (13) |  | 0 |  | 0
Tax Adjustment Credit | (171) |  | (205) |  | (272)
Effective Income Tax Rate Reconciliation, Bad Debt Flow Through, Amount | 27 |  | 28 |  | 0
Other | (1) |  | (3) |  | (12)
Sub-Total | (212) |  | (87) |  | (153)
Income Tax Provision | $ (441) |  | $ 396 |  | $ 257
Effective income tax rate | 40.50% |  | 17.20% |  | 13.20%
Public Service Electric and Gas Company |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Net Income | $ 1,446 |  | $ 1,327 |  | $ 1,250
Federal | 208 |  | 179 |  | 121
State | 1 |  | 8 |  | 0
Total Current | 209 |  | 187 |  | 121
Federal | (33) |  | (71) |  | (156)
State | 153 |  | 128 |  | 117
Total Deferred | 120 |  | 57 |  | (39)
Investment tax credit | (5) |  | (4) |  | 11
Total Income Tax | 324 |  | 240 |  | 93
Pre-Tax Income | 1,770 |  | 1,567 |  | 1,343
Tax Computed at Statutory Rate | 372 |  | 329 |  | 282
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)
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount | (1) |  | (2) |  | 0
Effective Income Tax Rate Reconciliation, GPRC | (13) |  | 0 |  | 0
Tax Adjustment Credit | (171) |  | (205) |  | (272)
Effective Income Tax Rate Reconciliation, Bad Debt Flow Through, Amount | 27 |  | 28 |  | 0
Other | 1 |  | (2) |  | 0
Sub-Total | (48) |  | (89) |  | (189)
Income Tax Provision | $ 324 |  | $ 240 |  | $ 93
Effective income tax rate | 18.30% |  | 15.30% |  | 6.90%
[1] | Includes after-tax impairment losses and other charges, including debt extinguishment costs, related to the sale of the fossil generating assets at PSEG Power of $2,158 million in the year ended December 31, 2021. Includes an after-tax gain of $86 million in the year ended December 31, 2020 related to the sale of PSEG Power’s interest in the Yards Creek generation facility and an after-tax loss of $286 million in the year ended December 31, 2019 related to the sale of PSEG Power’s ownership interests in the Keystone and Conemaugh fossil generation plants. See Note 4. Early Plant Retirements/Asset Dispositions and Impairments for additional information.(D)Includes net after-tax losses of $446 million and $58 million in the years ended December 31, 2021 and 2020 and a net after-tax gain of $205 million in the year ended December 31, 2019 at PSEG Power related to the impacts of non-trading commodity mark-to-market activity, which consists of the financial impact from positions with future delivery dates.

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