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Regulatory Assets And Liabilities (Schedule Of Regulatory Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2018
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | $ 369 | $ 364 |  |
Regulatory Assets, Noncurrent | 4,404 | 3,605 |  |
Regulatory Liability, Current | 384 | 388 |  |
Regulatory Liabilities, Noncurrent | 2,240 | 2,497 |  |
Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 369 | 364 |  |
Regulatory Assets, Noncurrent | 4,404 | 3,605 |  |
Total Regulatory Assets | 4,773 | 3,969 |  |
Regulatory Liability, Current | 384 | 388 |  |
Regulatory Liabilities, Noncurrent | 2,240 | 2,497 |  |
Total Regulatory Liabilities | 2,624 | 2,885 |  |
Flowback of tax benefits | 35 | 22 | $ 31 |
Public Service Electric and Gas Company | Electric meters to be retired |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Total Transmission and Distribution | 168 | 192 |  |
Excess Deferred Income Taxes [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Liability, Current | 302 | 288 |  |
Regulatory Liabilities, Noncurrent | 2,196 | 2,443 |  |
Other [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Liability, Current | 22 | 34 |  |
Regulatory Liabilities, Noncurrent | 13 | 45 |  |
Gas Costs - BGSS | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Liability, Current | 35 | 5 |  |
Green Program Recovery Charge [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Liability, Current | 24 | 19 |  |
Formula Rate True up | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Liability, Current | 1 | 42 |  |
Regulatory Liabilities, Noncurrent | 31 | 9 |  |
Tax Adjustment Credit [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 52 | 44 |  |
Total Regulatory Assets |  |  |  | $ 581
Total Regulatory Liabilities |  |  |  | $ 581
New Jersey Clean Energy Program [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 145 | 146 |  |
Green Program Recovery Charge [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 447 | 211 |  |
Pension and Other Postretirement Benefit Costs [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 1,405 | 1,043 |  |
Deferred Income Taxes [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 1,168 | 1,064 |  |
Manufactured Gas Plant (MGP) Remediation Costs [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 206 | 220 |  |
Base Rate Case [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 47 | 56 |  |
Regulatory Assets, Noncurrent | 0 | 47 |  |
Remediation Adjustment Charge (Other SBC) [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 134 | 156 |  |
Conditional Asset Retirement Obligation [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 200 | 191 |  |
Electric and Gas Cost Of Removal [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 156 | 174 |  |
Other [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 0 | 15 |  |
Regulatory Assets, Noncurrent | 145 | 118 |  |
Underrecovered Electric Costs Basic Generation Service [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 54 | 67 |  |
Societal Benefits Charges Sbc [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 20 | 0 |  |
Regulatory Assets, Noncurrent | 145 | 139 |  |
Deferred Storm Costs | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 109 | 109 |  |
COVID-19 Deferral | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 137 | 116 |  |
Conservation Incentive Program | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Current | 51 | 36 |  |
Regulatory Assets, Noncurrent | 72 | 12 |  |
Clean Energy Future - Energy Cloud [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Regulatory Assets, Noncurrent | 80 | $ 5 |  |
Transmission related over remaining useful life [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Excess Deferred income taxes to be refunded | 933 |  |  |
unprotected distribution related over remaining useful life [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Excess Deferred income taxes to be refunded | 203 |  |  |
protected distribution related over remaining useful life [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Excess Deferred income taxes to be refunded | 882 |  |  |
distributed related repair deductions [Member] | Public Service Electric and Gas Company |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |
Excess Deferred income taxes to be refunded | $ 425 |  |  |

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