<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1065</ContextCount>
  <ElementCount>711</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>293</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>15</UnitCount>
  <MyReports>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - Consolidated Statements Of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfOperations</Role>
      <ShortName>Consolidated Statements Of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - Consolidated Statements Of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements Of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - Consolidated Statements Of Comprehensive Income (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical</Role>
      <ShortName>Consolidated Statements Of Comprehensive Income (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Statement - Consolidated Statements Of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements Of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Statement - Consolidated Statements Of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements Of Stockholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical</Role>
      <ShortName>Consolidated Statements Of Stockholders' Equity (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - Revenues</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/Revenues</Role>
      <ShortName>Revenues</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Asset Dispositions and Impairments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AssetDispositionsandImpairments</Role>
      <ShortName>Asset Dispositions and Impairments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Variable Interest Entities (VIEs)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/VariableInterestEntitiesVIEs</Role>
      <ShortName>Variable Interest Entities (VIEs)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Property, Plant And Equipment And Jointly-Owned Facilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilities</Role>
      <ShortName>Property, Plant And Equipment And Jointly-Owned Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - Regulatory Assets And Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RegulatoryAssetsAndLiabilities</Role>
      <ShortName>Regulatory Assets And Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Long-Term Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LongTermInvestments</Role>
      <ShortName>Long-Term Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - Financing Receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancingReceivables</Role>
      <ShortName>Financing Receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - Trust Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestments</Role>
      <ShortName>Trust Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - Asset Retirement Obligations (AROs)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AssetRetirementObligationsAROs</Role>
      <ShortName>Asset Retirement Obligations (AROs)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - Pension, OPEB and Savings Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlans</Role>
      <ShortName>Pension, OPEB and Savings Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - Disclosure - Commitments and Contingent Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsandContingentLiabilities</Role>
      <ShortName>Commitments and Contingent Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>0000023 - Disclosure - Debt and Credit Facilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilities</Role>
      <ShortName>Debt and Credit Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>0000024 - Disclosure - Schedule Of Consolidated Capital Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ScheduleOfConsolidatedCapitalStock</Role>
      <ShortName>Schedule Of Consolidated Capital Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>0000025 - Disclosure - Financial Risk Management Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivities</Role>
      <ShortName>Financial Risk Management Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>0000026 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>0000027 - Disclosure - Stock Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensation</Role>
      <ShortName>Stock Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>0000028 - Disclosure - Other Income and Deductions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OtherIncomeandDeductions</Role>
      <ShortName>Other Income and Deductions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>0000029 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>0000030 - Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTax</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>0000031 - Disclosure - Earnings Per Share (EPS) and Dividends</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/EarningsPerShareEPSandDividends</Role>
      <ShortName>Earnings Per Share (EPS) and Dividends</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>0000032 - Disclosure - Financial Information By Business Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialInformationByBusinessSegments</Role>
      <ShortName>Financial Information By Business Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>0000033 - Disclosure - Related-Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related-Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>0000034 - Disclosure - Valuation And Qualifying Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ValuationAndQualifyingAccounts</Role>
      <ShortName>Valuation And Qualifying Accounts</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954473 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954474 - Disclosure - Revenues Revenues (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RevenuesRevenuesTables</Role>
      <ShortName>Revenues Revenues (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - Property, Plant And Equipment And Jointly-Owned Facilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilitiesTables</Role>
      <ShortName>Property, Plant And Equipment And Jointly-Owned Facilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilities</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - Regulatory Assets And Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RegulatoryAssetsAndLiabilitiesTables</Role>
      <ShortName>Regulatory Assets And Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RegulatoryAssetsAndLiabilities</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/Leases</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - Long-Term Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LongTermInvestmentsTables</Role>
      <ShortName>Long-Term Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/LongTermInvestments</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954480 - Disclosure - Financing Receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancingReceivablesTables</Role>
      <ShortName>Financing Receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancingReceivables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - Trust Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsTables</Role>
      <ShortName>Trust Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestments</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - Asset Retirement Obligations (AROs) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AssetRetirementObligationsAROsTables</Role>
      <ShortName>Asset Retirement Obligations (AROs) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AssetRetirementObligationsAROs</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - Pension, OPEB and Savings Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</Role>
      <ShortName>Pension, OPEB and Savings Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlans</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - Commitments and Contingent Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsandContingentLiabilitiesTables</Role>
      <ShortName>Commitments and Contingent Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/CommitmentsandContingentLiabilities</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - Debt and Credit Facilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilitiesTables</Role>
      <ShortName>Debt and Credit Facilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilities</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - Schedule Of Consolidated Capital Stock (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ScheduleOfConsolidatedCapitalStockTables</Role>
      <ShortName>Schedule Of Consolidated Capital Stock (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/ScheduleOfConsolidatedCapitalStock</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - Financial Risk Management Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</Role>
      <ShortName>Financial Risk Management Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivities</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FairValueMeasurements</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - Stock Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/StockBasedCompensation</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - Other Income and Deductions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OtherIncomeandDeductionsTables</Role>
      <ShortName>Other Income and Deductions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OtherIncomeandDeductions</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxes</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTaxTables</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTax</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954493 - Disclosure - Earnings Per Share (EPS) and Dividends (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/EarningsPerShareEPSandDividendsTables</Role>
      <ShortName>Earnings Per Share (EPS) and Dividends (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/EarningsPerShareEPSandDividends</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - Financial Information By Business Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialInformationByBusinessSegmentsTables</Role>
      <ShortName>Financial Information By Business Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialInformationByBusinessSegments</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - Related-Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related-Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RelatedPartyTransactions</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies Organization, Basic of Presentation And Summary Of Significant Accounting Policies (Cash, Cash Equivalents and Restricted Cash) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesOrganizationBasicofPresentationAndSummaryOfSignificantAccountingPoliciesCashCashEquivalentsandRestrictedCashDetails</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies Organization, Basic of Presentation And Summary Of Significant Accounting Policies (Cash, Cash Equivalents and Restricted Cash) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Depreciation Rate Stated Percentage) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDepreciationRateStatedPercentageDetails</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Depreciation Rate Stated Percentage) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Amounts And Average Rates Used To Calculate IDC Or AFUDC) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAmountsAndAverageRatesUsedToCalculateIDCOrAFUDCDetails</Role>
      <ShortName>Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Amounts And Average Rates Used To Calculate IDC Or AFUDC) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/OrganizationBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - Revenues (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RevenuesDetails</Role>
      <ShortName>Revenues (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RevenuesRevenuesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - Asset Dispositions and Impairments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AssetDispositionsandImpairmentsDetails</Role>
      <ShortName>Asset Dispositions and Impairments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AssetDispositionsandImpairments</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - Variable Interest Entities (VIEs) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/VariableInterestEntitiesVIEsDetail</Role>
      <ShortName>Variable Interest Entities (VIEs) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/VariableInterestEntitiesVIEs</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Property, Plant And Equipment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilitiesScheduleOfPropertyPlantAndEquipmentDetails</Role>
      <ShortName>Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Property, Plant And Equipment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilitiesTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Jointly-Owned Facilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilitiesScheduleOfJointlyOwnedFacilitiesDetails</Role>
      <ShortName>Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Jointly-Owned Facilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PropertyPlantAndEquipmentAndJointlyOwnedFacilitiesTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - Regulatory Assets And Liabilities (Schedule Of Regulatory Assets and Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RegulatoryAssetsAndLiabilitiesScheduleOfRegulatoryAssetsandLiabilitiesDetails</Role>
      <ShortName>Regulatory Assets And Liabilities (Schedule Of Regulatory Assets and Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RegulatoryAssetsAndLiabilitiesTables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - Regulatory Assets And Liabilities (Significant Orders and Pending Filings) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RegulatoryAssetsAndLiabilitiesSignificantOrdersandPendingFilingsDetails</Role>
      <ShortName>Regulatory Assets And Liabilities (Significant Orders and Pending Filings) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RegulatoryAssetsAndLiabilitiesTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/LeasesTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - Leases Operating Lease Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesOperatingLeaseCostsDetails</Role>
      <ShortName>Leases Operating Lease Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - Leases Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesOperatingLeaseLiabilitiesDetails</Role>
      <ShortName>Leases Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - Leases Reconciliation of Undiscounted Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesReconciliationofUndiscountedCashFlowsDetails</Role>
      <ShortName>Leases Reconciliation of Undiscounted Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9954511 - Disclosure - Leases Operating Lease Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesOperatingLeaseIncomeDetails</Role>
      <ShortName>Leases Operating Lease Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - Leases Operating Lease Right-Of-Use Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LeasesOperatingLeaseRightOfUseAssetsDetails</Role>
      <ShortName>Leases Operating Lease Right-Of-Use Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - Long-Term Investments (Schedule Of Long Term Investments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LongTermInvestmentsScheduleOfLongTermInvestmentsDetails</Role>
      <ShortName>Long-Term Investments (Schedule Of Long Term Investments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/LongTermInvestmentsTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - Long-Term Investments (Schedule Of Net Investment In Leveraged Leases) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LongTermInvestmentsScheduleOfNetInvestmentInLeveragedLeasesDetails</Role>
      <ShortName>Long-Term Investments (Schedule Of Net Investment In Leveraged Leases) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/LongTermInvestmentsTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - Long-Term Investments (Equity Method Investments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/LongTermInvestmentsEquityMethodInvestmentsDetails</Role>
      <ShortName>Long-Term Investments (Equity Method Investments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/LongTermInvestmentsTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - Financing Receivables (Schedule Of Credit Risk Profile Based On Payment Activity) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancingReceivablesScheduleOfCreditRiskProfileBasedOnPaymentActivityDetail</Role>
      <ShortName>Financing Receivables (Schedule Of Credit Risk Profile Based On Payment Activity) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancingReceivablesTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - Financing Receivables (Schedule Of Lease Receivables, Net Of Nonrecourse Debt, Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancingReceivablesScheduleOfLeaseReceivablesNetOfNonrecourseDebtAssociatedWithLeveragedLeasePortfolioBasedOnCounterpartyCreditRatingDetail</Role>
      <ShortName>Financing Receivables (Schedule Of Lease Receivables, Net Of Nonrecourse Debt, Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancingReceivablesTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - Financing Receivables (Narrative) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancingReceivablesNarrativeDetail</Role>
      <ShortName>Financing Receivables (Narrative) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancingReceivablesTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9954519 - Disclosure - Trust Investments (Fair Values And Gross Unrealized Gains And Losses For The Securities) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsFairValuesAndGrossUnrealizedGainsAndLossesForTheSecuritiesDetail</Role>
      <ShortName>Trust Investments (Fair Values And Gross Unrealized Gains And Losses For The Securities) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9954520 - Disclosure - Trust Investments (Schedule Of Accounts Receivable And Accounts Payable) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsScheduleOfAccountsReceivableAndAccountsPayableDetail</Role>
      <ShortName>Trust Investments (Schedule Of Accounts Receivable And Accounts Payable) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9954521 - Disclosure - Trust Investments (Value Of Securities That Have Been In An Unrealized Loss Position For Less Than And Greater Than 12 Months) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsValueOfSecuritiesThatHaveBeenInAnUnrealizedLossPositionForLessThanAndGreaterThan12MonthsDetail</Role>
      <ShortName>Trust Investments (Value Of Securities That Have Been In An Unrealized Loss Position For Less Than And Greater Than 12 Months) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9954522 - Disclosure - Trust Investments (Proceeds From The Sales Of And The Net Realized Gains On Securities) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsProceedsFromTheSalesOfAndTheNetRealizedGainsOnSecuritiesDetail</Role>
      <ShortName>Trust Investments (Proceeds From The Sales Of And The Net Realized Gains On Securities) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9954523 - Disclosure - Trust Investments (Narrative) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsNarrativeDetail</Role>
      <ShortName>Trust Investments (Narrative) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9954524 - Disclosure - Trust Investments (Amount Of Available-For-Sale Debt Securities By Maturity Periods) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsAmountOfAvailableForSaleDebtSecuritiesByMaturityPeriodsDetail</Role>
      <ShortName>Trust Investments (Amount Of Available-For-Sale Debt Securities By Maturity Periods) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9954525 - Disclosure - Trust Investments (Fair Value Of Rabbi Trust) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/TrustInvestmentsFairValueOfRabbiTrustDetail</Role>
      <ShortName>Trust Investments (Fair Value Of Rabbi Trust) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/TrustInvestmentsTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9954526 - Disclosure - Asset Retirement Obligations (AROs) (Impact Of The Revisions On Asset Retirement Obligation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AssetRetirementObligationsAROsImpactOfTheRevisionsOnAssetRetirementObligationDetails</Role>
      <ShortName>Asset Retirement Obligations (AROs) (Impact Of The Revisions On Asset Retirement Obligation) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AssetRetirementObligationsAROsTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9954527 - Disclosure - Pension, OPEB and Savings Plans (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansNarrativeDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9954528 - Disclosure - Pension, OPEB and Savings Plans (Changes In The Benefit Obligation And The Fair Value Of Plan Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansChangesInTheBenefitObligationAndTheFairValueOfPlanAssetsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Changes In The Benefit Obligation And The Fair Value Of Plan Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9954529 - Disclosure - Pension, OPEB and Savings Plans (Components Of Net Periodic Benefit Cost) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansComponentsOfNetPeriodicBenefitCostDetail</Role>
      <ShortName>Pension, OPEB and Savings Plans (Components Of Net Periodic Benefit Cost) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9954530 - Disclosure - Pension, OPEB and Savings Plans (Schedule Of Pension And OPEB Costs) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansScheduleOfPensionAndOPEBCostsDetail</Role>
      <ShortName>Pension, OPEB and Savings Plans (Schedule Of Pension And OPEB Costs) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>94</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9954531 - Disclosure - Pension, OPEB and Savings Plans (Pre-Tax Changes Recognized In Accumulated Other Comprehensive Income (Loss), Regulatory Assets And Deferred Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansPreTaxChangesRecognizedInAccumulatedOtherComprehensiveIncomeLossRegulatoryAssetsAndDeferredAssetsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Pre-Tax Changes Recognized In Accumulated Other Comprehensive Income (Loss), Regulatory Assets And Deferred Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>95</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9954532 - Disclosure - Pension, OPEB and Savings Plans (Assumptions Used To Determine The Benefit Obligations And Net Periodic Benefit Costs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansAssumptionsUsedToDetermineTheBenefitObligationsAndNetPeriodicBenefitCostsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Assumptions Used To Determine The Benefit Obligations And Net Periodic Benefit Costs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>96</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9954533 - Disclosure - Pension, OPEB and Savings Plans (Fair Value Measurements And The Levels Of Inputs Used In Determining Fair Values) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansFairValueMeasurementsAndTheLevelsOfInputsUsedInDeterminingFairValuesDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Fair Value Measurements And The Levels Of Inputs Used In Determining Fair Values) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>97</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9954534 - Disclosure - Pension, OPEB and Savings Plans (Reconciliations Of The Beginning And Ending Balances Of Pension And OPEB Plans' Level 3 Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansReconciliationsOfTheBeginningAndEndingBalancesOfPensionAndOPEBPlansLevel3AssetsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Reconciliations Of The Beginning And Ending Balances Of Pension And OPEB Plans' Level 3 Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>98</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9954535 - Disclosure - Pension, OPEB and Savings Plans (Schedule Of Percentage Of Fair Value Of Total Plan Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansScheduleOfPercentageOfFairValueOfTotalPlanAssetsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Schedule Of Percentage Of Fair Value Of Total Plan Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>99</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9954536 - Disclosure - Pension, OPEB and Savings Plans (Estimated Future Benefit Payments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansEstimatedFutureBenefitPaymentsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Estimated Future Benefit Payments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>100</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>9954537 - Disclosure - Pension, OPEB and Savings Plans (Schedule Of Amount Paid For Employer Matching Contributions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/PensionOPEBandSavingsPlansScheduleOfAmountPaidForEmployerMatchingContributionsDetails</Role>
      <ShortName>Pension, OPEB and Savings Plans (Schedule Of Amount Paid For Employer Matching Contributions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/PensionOPEBandSavingsPlansTables</ParentRole>
      <Position>101</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>9954538 - Disclosure - Commitments And Contingent Liabilities (Face Value Of Outstanding Guarantees, Current Exposure And Margin Positions) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesFaceValueOfOutstandingGuaranteesCurrentExposureAndMarginPositionsDetail</Role>
      <ShortName>Commitments And Contingent Liabilities (Face Value Of Outstanding Guarantees, Current Exposure And Margin Positions) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>9954539 - Disclosure - Commitments And Contingent Liabilities (Environmental Matters) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesEnvironmentalMattersDetail</Role>
      <ShortName>Commitments And Contingent Liabilities (Environmental Matters) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>9954540 - Disclosure - Commitments And Contingent Liabilities (Basic Generation Service (BGS) And Basic Gas Supply Service (BGSS)) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesBasicGenerationServiceBGSAndBasicGasSupplyServiceBGSSDetail</Role>
      <ShortName>Commitments And Contingent Liabilities (Basic Generation Service (BGS) And Basic Gas Supply Service (BGSS)) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>9954541 - Disclosure - Commitments And Contingent Liabilities (Minimum Fuel Purchase Requirements) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesMinimumFuelPurchaseRequirementsDetail</Role>
      <ShortName>Commitments And Contingent Liabilities (Minimum Fuel Purchase Requirements) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>9954542 - Disclosure - Commitments And Contingent Liabilities (Regulatory Proceedings) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesRegulatoryProceedingsDetail</Role>
      <ShortName>Commitments And Contingent Liabilities (Regulatory Proceedings) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>9954543 - Disclosure - Commitments And Contingent Liabilities (Nuclear Insurance Coverages and Assessments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/CommitmentsAndContingentLiabilitiesNuclearInsuranceCoveragesandAssessmentsDetails</Role>
      <ShortName>Commitments And Contingent Liabilities (Nuclear Insurance Coverages and Assessments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>9954544 - Disclosure - Debt and Credit Facilties (Long-Term Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFaciltiesLongTermDebtDetails</Role>
      <ShortName>Debt and Credit Facilties (Long-Term Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilitiesTables</ParentRole>
      <Position>108</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>9954545 - Disclosure - Debt and Credit Facilities (Long-Term Debt Maturities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilitiesLongTermDebtMaturitiesDetails</Role>
      <ShortName>Debt and Credit Facilities (Long-Term Debt Maturities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilitiesTables</ParentRole>
      <Position>109</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>9954546 - Disclosure - Debt and Credit Facilities (Long-Term Debt Financing Transactions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilitiesLongTermDebtFinancingTransactionsDetails</Role>
      <ShortName>Debt and Credit Facilities (Long-Term Debt Financing Transactions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilitiesTables</ParentRole>
      <Position>110</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>9954547 - Disclosure - Debt and Credit Facilities (Short-Term Liquidity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilitiesShortTermLiquidityDetails</Role>
      <ShortName>Debt and Credit Facilities (Short-Term Liquidity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilitiesTables</ParentRole>
      <Position>111</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>9954548 - Disclosure - Debt and Credit Facilities (Fair Value of Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/DebtandCreditFacilitiesFairValueofDebtDetails</Role>
      <ShortName>Debt and Credit Facilities (Fair Value of Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/DebtandCreditFacilitiesTables</ParentRole>
      <Position>112</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>9954549 - Disclosure - Schedule Of Consolidated Capital Stock (Consolidated Capital Stock) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ScheduleOfConsolidatedCapitalStockConsolidatedCapitalStockDetails</Role>
      <ShortName>Schedule Of Consolidated Capital Stock (Consolidated Capital Stock) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/ScheduleOfConsolidatedCapitalStockTables</ParentRole>
      <Position>113</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>9954551 - Disclosure - Financial Risk Management Activities (Narrative) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesNarrativeDetail</Role>
      <ShortName>Financial Risk Management Activities (Narrative) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>114</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>9954552 - Disclosure - Financial Risk Management Activities (Schedule Of Derivative Instruments Fair Value In Balance Sheets) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleOfDerivativeInstrumentsFairValueInBalanceSheetsDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Of Derivative Instruments Fair Value In Balance Sheets) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>115</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>9954553 - Disclosure - Financial Risk Management Activities (Schedule Of Derivative Instruments Designated As Cash Flow Hedges) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleOfDerivativeInstrumentsDesignatedAsCashFlowHedgesDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Of Derivative Instruments Designated As Cash Flow Hedges) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>116</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>9954554 - Disclosure - Financial Risk Management Activities (Schedule Of Reconciliation For Derivative Activity Included In Accumulated Other Comprehensive Loss) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleOfReconciliationForDerivativeActivityIncludedInAccumulatedOtherComprehensiveLossDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Of Reconciliation For Derivative Activity Included In Accumulated Other Comprehensive Loss) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>117</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>9954555 - Disclosure - Financial Risk Management Activities (Schedule Of Derivative Instruments Not Designated As Hedging Instruments And Impact On Results Of Operations) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAndImpactOnResultsOfOperationsDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Of Derivative Instruments Not Designated As Hedging Instruments And Impact On Results Of Operations) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>118</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>9954556 - Disclosure - Financial Risk Management Activities (Schedule Of Gross Volume, On Absolute Basis For Derivative Contracts) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleOfGrossVolumeOnAbsoluteBasisForDerivativeContractsDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Of Gross Volume, On Absolute Basis For Derivative Contracts) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>119</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>9954557 - Disclosure - Financial Risk Management Activities (Schedule Providing Credit Risk From Others, Net Of Collateral) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialRiskManagementActivitiesScheduleProvidingCreditRiskFromOthersNetOfCollateralDetail</Role>
      <ShortName>Financial Risk Management Activities (Schedule Providing Credit Risk From Others, Net Of Collateral) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialRiskManagementActivitiesTables</ParentRole>
      <Position>120</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>9954558 - Disclosure - Fair Value Measurements (PSEG's, Power's And PSE&amp;G's Respective Assets And (Liabilities) Measured At Fair Value On A Recurring Basis) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FairValueMeasurementsPSEGsPowersAndPSEGsRespectiveAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail</Role>
      <ShortName>Fair Value Measurements (PSEG's, Power's And PSE&amp;G's Respective Assets And (Liabilities) Measured At Fair Value On A Recurring Basis) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>121</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>9954559 - Disclosure - Fair Value Measurements (Changes In Level 3 Assets And (Liabilities) Measured At Fair Value On A Recurring Basis) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FairValueMeasurementsChangesInLevel3AssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail</Role>
      <ShortName>Fair Value Measurements (Changes In Level 3 Assets And (Liabilities) Measured At Fair Value On A Recurring Basis) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>122</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>9954560 - Disclosure - Fair Value Measurements (Narrative) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FairValueMeasurementsNarrativeDetail</Role>
      <ShortName>Fair Value Measurements (Narrative) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>123</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>9954561 - Disclosure - Stock Based Compensation (Accrual Adjustments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensationAccrualAdjustmentsDetails</Role>
      <ShortName>Stock Based Compensation (Accrual Adjustments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/StockBasedCompensationTables</ParentRole>
      <Position>124</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>9954563 - Disclosure - Stock Based Compensation (Restricted Stock Units Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensationRestrictedStockUnitsActivityDetails</Role>
      <ShortName>Stock Based Compensation (Restricted Stock Units Activity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/StockBasedCompensationTables</ParentRole>
      <Position>125</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>9954564 - Disclosure - Stock Based Compensation (Performance Units Information) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensationPerformanceUnitsInformationDetails</Role>
      <ShortName>Stock Based Compensation (Performance Units Information) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/StockBasedCompensationTables</ParentRole>
      <Position>126</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>9954565 - Disclosure - Stock Based Compensation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/StockBasedCompensationNarrativeDetails</Role>
      <ShortName>Stock Based Compensation (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/StockBasedCompensationTables</ParentRole>
      <Position>127</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>9954566 - Disclosure - Other Income And Deductions (Schedule Of Other Income) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/OtherIncomeAndDeductionsScheduleOfOtherIncomeDetail</Role>
      <ShortName>Other Income And Deductions (Schedule Of Other Income) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>9954567 - Disclosure - Income Taxes (Reconciliation Of Reported Income Tax Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesReconciliationOfReportedIncomeTaxExpenseDetails</Role>
      <ShortName>Income Taxes (Reconciliation Of Reported Income Tax Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>129</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>9954568 - Disclosure - Income Taxes (Deferred Income Tax) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesDeferredIncomeTaxDetails</Role>
      <ShortName>Income Taxes (Deferred Income Tax) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>130</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>9954569 - Disclosure - Income Taxes (Narrative) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesNarrativeDetail</Role>
      <ShortName>Income Taxes (Narrative) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>131</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>9954570 - Disclosure - Income Taxes (Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Unrecognized Tax Benefits) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>132</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>9954571 - Disclosure - Income Taxes (Interest And Penalties Related To Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesInterestAndPenaltiesRelatedToUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Interest And Penalties Related To Unrecognized Tax Benefits) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>133</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>9954572 - Disclosure - Income Taxes (Possible Decrease In Total Unrecognized Tax Benefits Including Interest) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesPossibleDecreaseInTotalUnrecognizedTaxBenefitsIncludingInterestDetails</Role>
      <ShortName>Income Taxes (Possible Decrease In Total Unrecognized Tax Benefits Including Interest) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>134</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>9954573 - Disclosure - Income Taxes (Description Of Income Tax Years By Material Jurisdictions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/IncomeTaxesDescriptionOfIncomeTaxYearsByMaterialJurisdictionsDetails</Role>
      <ShortName>Income Taxes (Description Of Income Tax Years By Material Jurisdictions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/IncomeTaxesTables</ParentRole>
      <Position>135</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>9954574 - Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Changes in AOCI) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTaxChangesinAOCIDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Changes in AOCI) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTaxTables</ParentRole>
      <Position>136</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>9954575 - Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Reclassifications out of AOCI) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTaxReclassificationsoutofAOCIDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax (Reclassifications out of AOCI) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/AccumulatedOtherComprehensiveIncomeLossNetofTaxAccumulatedOtherComprehensiveIncomeLossNetofTaxTables</ParentRole>
      <Position>137</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>9954576 - Disclosure - Earnings Per Share (EPS) And Dividends (Basic And Diluted Earnings Per Share Computation) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/EarningsPerShareEPSAndDividendsBasicAndDilutedEarningsPerShareComputationDetail</Role>
      <ShortName>Earnings Per Share (EPS) And Dividends (Basic And Diluted Earnings Per Share Computation) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/EarningsPerShareEPSandDividendsTables</ParentRole>
      <Position>138</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>9954577 - Disclosure - Earnings Per Share (EPS) And Dividends (Dividend Payments On Common Stock) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/EarningsPerShareEPSAndDividendsDividendPaymentsOnCommonStockDetail</Role>
      <ShortName>Earnings Per Share (EPS) And Dividends (Dividend Payments On Common Stock) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/EarningsPerShareEPSandDividendsTables</ParentRole>
      <Position>139</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>9954578 - Disclosure - Financial Information By Business Segments (Financial Information By Business Segments) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/FinancialInformationByBusinessSegmentsFinancialInformationByBusinessSegmentsDetail</Role>
      <ShortName>Financial Information By Business Segments (Financial Information By Business Segments) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/FinancialInformationByBusinessSegmentsTables</ParentRole>
      <Position>140</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>9954579 - Disclosure - Related-Party Transactions (Schedule Of Related Party Transactions, Revenue) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RelatedPartyTransactionsScheduleOfRelatedPartyTransactionsRevenueDetail</Role>
      <ShortName>Related-Party Transactions (Schedule Of Related Party Transactions, Revenue) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>141</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>9954580 - Disclosure - Related-Party Transactions (Schedule Of Related Party Transactions, Payables) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/RelatedPartyTransactionsScheduleOfRelatedPartyTransactionsPayablesDetail</Role>
      <ShortName>Related-Party Transactions (Schedule Of Related Party Transactions, Payables) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>142</Position>
    </Report>
    <Report instance="pseg-20231231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>9954581 - Disclosure - Valuation And Qualifying Accounts (Schedule Of Valuation And Qualifying Accounts) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.pseg.com/role/ValuationAndQualifyingAccountsScheduleOfValuationAndQualifyingAccountsDetails</Role>
      <ShortName>Valuation And Qualifying Accounts (Schedule Of Valuation And Qualifying Accounts) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.pseg.com/role/ValuationAndQualifyingAccounts</ParentRole>
      <Position>143</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="pseg-20231231.htm">pseg-20231231.htm</File>
    <File>pseg-20231231.xsd</File>
    <File>pseg-20231231_cal.xml</File>
    <File>pseg-20231231_def.xml</File>
    <File>pseg-20231231_lab.xml</File>
    <File>pseg-20231231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>pseg-20231231_g1.gif</File>
    <File>pseg-20231231_g2.jpg</File>
    <File>pseg-20231231_g3.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2023</BaseTaxonomy>
    <BaseTaxonomy items="3302">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="84">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="5">http://xbrl.sec.gov/ecd/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
