<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.1.9</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>2235</ContextCount>
  <ElementCount>1039</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>393</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>26</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - Consolidated Statements Of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfIncome</Role>
      <ShortName>Consolidated Statements Of Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002000 - Statement - Consolidated Statements Of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements Of Comprehensive Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1002501 - Statement - Consolidated Statements Of Comprehensive Income (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical</Role>
      <ShortName>Consolidated Statements Of Comprehensive Income (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1003000 - Statement - Consolidated Statements Of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements Of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1004000 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1004501 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>1005000 - Statement - Consolidated Statements Of Changes In Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfChangesInEquity</Role>
      <ShortName>Consolidated Statements Of Changes In Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>1005501 - Statement - Consolidated Statements Of Changes In Equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ConsolidatedStatementsOfChangesInEquityParenthetical</Role>
      <ShortName>Consolidated Statements Of Changes In Equity (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - Summary Of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary Of Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Rate And Regulatory Matters</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMatters</Role>
      <ShortName>Rate And Regulatory Matters</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowings</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Long - Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebt</Role>
      <ShortName>Long - Term Debt</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - Preferred Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/PreferredEquity</Role>
      <ShortName>Preferred Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - Common Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquity</Role>
      <ShortName>Common Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2112100 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligations</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2113100 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlans</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2115100 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2116100 - Disclosure - Business Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/BusinessSegmentInformation</Role>
      <ShortName>Business Segment Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2117100 - Disclosure - Equity Method Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/EquityMethodInvestments</Role>
      <ShortName>Equity Method Investments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2118100 - Disclosure - Acquisitions And Dispositions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AcquisitionsAndDispositions</Role>
      <ShortName>Acquisitions And Dispositions</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2119100 - Disclosure - Risk Management And Fair Values</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValues</Role>
      <ShortName>Risk Management And Fair Values</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2120100 - Disclosure - Decommissioning Trust Funds</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFunds</Role>
      <ShortName>Decommissioning Trust Funds</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2121100 - Disclosure - Variable Interest Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/VariableInterestEntities</Role>
      <ShortName>Variable Interest Entities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2122100 - Disclosure - Transactions With Affiliates</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/TransactionsWithAffiliates</Role>
      <ShortName>Transactions With Affiliates</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2123100 - Disclosure - Quarterly Financial Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/QuarterlyFinancialData</Role>
      <ShortName>Quarterly Financial Data</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2201201 - Disclosure - Summary Of Significant Accounting Policies (Policy)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesPolicy</Role>
      <ShortName>Summary Of Significant Accounting Policies (Policy)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2301302 - Disclosure - Summary Of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary Of Significant Accounting Policies (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - Rate And Regulatory Matters (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersTables</Role>
      <ShortName>Rate And Regulatory Matters (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsTables</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - Long - Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebtTables</Role>
      <ShortName>Long - Term Debt (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2309301 - Disclosure - Preferred Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/PreferredEquityTables</Role>
      <ShortName>Preferred Equity (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2310301 - Disclosure - Common Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquityTables</Role>
      <ShortName>Common Equity (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - Commitments And Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments And Contingencies (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2312301 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligationsTables</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2313301 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2314301 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansTables</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2315301 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2316301 - Disclosure - Business Segment Information Business Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/BusinessSegmentInformationBusinessSegmentInformationTables</Role>
      <ShortName>Business Segment Information Business Segment Information (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2317301 - Disclosure - Equity Method Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/EquityMethodInvestmentsTables</Role>
      <ShortName>Equity Method Investments (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2319301 - Disclosure - Risk Management And Fair Values (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesTables</Role>
      <ShortName>Risk Management And Fair Values (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2320301 - Disclosure - Decommissioning Trust Funds (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFundsTables</Role>
      <ShortName>Decommissioning Trust Funds (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2322301 - Disclosure - Transactions With Affiliates (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/TransactionsWithAffiliatesTables</Role>
      <ShortName>Transactions With Affiliates (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2323301 - Disclosure - Quarterly Financial Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/QuarterlyFinancialDataTables</Role>
      <ShortName>Quarterly Financial Data (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2401403 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2401404 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Net Property, Plant, And Equipment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfNetPropertyPlantAndEquipmentDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Schedule Of Net Property, Plant, And Equipment) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2401405 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Depreciation Rates On Average Depreciable Property) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfDepreciationRatesOnAverageDepreciablePropertyDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Schedule Of Depreciation Rates On Average Depreciable Property) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2401406 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Subsidiaries' Investment And Accumulated Depreciation In Generating Stations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfSubsidiariesInvestmentAndAccumulatedDepreciationInGeneratingStationsDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Schedule Of Subsidiaries' Investment And Accumulated Depreciation In Generating Stations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2401407 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share, Basic And Diluted) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEarningsPerShareBasicAndDilutedDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share, Basic And Diluted) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2401408 - Disclosure - Summary Of Significant Accounting Policies (Significant Unobservable Inputs in Asset Valuation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/SummaryOfSignificantAccountingPoliciesSignificantUnobservableInputsInAssetValuationDetails</Role>
      <ShortName>Summary Of Significant Accounting Policies (Significant Unobservable Inputs in Asset Valuation) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2404402 - Disclosure - Rate And Regulatory Matters (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersNarrativeDetails</Role>
      <ShortName>Rate And Regulatory Matters (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2404403 - Disclosure - Rate And Regulatory Matters (Details Of Other Regulatory Assets Included In Entergy Corporation And Subsidiaries) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersDetailsOfOtherRegulatoryAssetsIncludedInEntergyCorporationAndSubsidiariesDetails</Role>
      <ShortName>Rate And Regulatory Matters (Details Of Other Regulatory Assets Included In Entergy Corporation And Subsidiaries) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2404404 - Disclosure - Rate And Regulatory Matters (Payments/Receipts Among The Utility Operating Companies) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersPaymentsReceiptsAmongUtilityOperatingCompaniesDetails</Role>
      <ShortName>Rate And Regulatory Matters (Payments/Receipts Among The Utility Operating Companies) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2404405 - Disclosure - Rate And Regulatory Matters (Fuel And Purchased Power Cost Recovery) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersFuelAndPurchasedPowerCostRecoveryDetails</Role>
      <ShortName>Rate And Regulatory Matters (Fuel And Purchased Power Cost Recovery) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2404406 - Disclosure - Rate And Regulatory Matters Rate and Regulatory Matters (Details of Other Regulatory Liabilities Included in Entergy Corporation and Subsidiaries) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RateAndRegulatoryMattersRateAndRegulatoryMattersDetailsOfOtherRegulatoryLiabilitiesIncludedInEntergyCorporationAndSubsidiariesDetails</Role>
      <ShortName>Rate And Regulatory Matters Rate and Regulatory Matters (Details of Other Regulatory Liabilities Included in Entergy Corporation and Subsidiaries) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Income Taxes (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesNarrativeDetails</Role>
      <ShortName>Income Taxes (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2406403 - Disclosure - Income Taxes (Schedule Of Income Tax Expenses From Continuing Operations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesScheduleOfIncomeTaxExpensesFromContinuingOperationsDetails</Role>
      <ShortName>Income Taxes (Schedule Of Income Tax Expenses From Continuing Operations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2406404 - Disclosure - Income Taxes (Schedule Of Statutory Income Tax Rate To Income Before Taxes) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesScheduleOfStatutoryIncomeTaxRateToIncomeBeforeTaxesDetails</Role>
      <ShortName>Income Taxes (Schedule Of Statutory Income Tax Rate To Income Before Taxes) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2406405 - Disclosure - Income Taxes (Significant Components Of Accumulated Deferred Income Taxes And Taxes Accrued) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesSignificantComponentsOfAccumulatedDeferredIncomeTaxesAndTaxesAccruedDetails</Role>
      <ShortName>Income Taxes (Significant Components Of Accumulated Deferred Income Taxes And Taxes Accrued) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2406406 - Disclosure - Income Taxes (Schedule Of Estimated Tax Attributes Carryovers And Their Expiration Dates) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesScheduleOfEstimatedTaxAttributesCarryoversAndTheirExpirationDatesDetails</Role>
      <ShortName>Income Taxes (Schedule Of Estimated Tax Attributes Carryovers And Their Expiration Dates) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2406407 - Disclosure - Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2406408 - Disclosure - Income Taxes (Summary Of Unrecognized Benefits That Would Affect Effective Income Tax Rate) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesSummaryOfUnrecognizedBenefitsThatWouldAffectEffectiveIncomeTaxRateDetails</Role>
      <ShortName>Income Taxes (Summary Of Unrecognized Benefits That Would Affect Effective Income Tax Rate) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2406409 - Disclosure - Income Taxes (Summary Of Accrued Interest And Penalties Related To Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/IncomeTaxesSummaryOfAccruedInterestAndPenaltiesRelatedToUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Summary Of Accrued Interest And Penalties Related To Unrecognized Tax Benefits) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsNarrativeDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Summary Of The Borrowings Outstanding And Capacity Available Under The Facility) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsSummaryOfBorrowingsOutstandingAndCapacityAvailableUnderFacilityDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Summary Of The Borrowings Outstanding And Capacity Available Under The Facility) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2407404 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Credit Facilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsCreditFacilitiesDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Credit Facilities) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2407405 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsUncommittedStandbyLetterOfCreditFacilitiesToSupportMisoObligationsDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2407406 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Short-Term Borrowings And The Outstanding Short-Term Borrowings) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsShortTermBorrowingsAndOutstandingShortTermBorrowingsDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Short-Term Borrowings And The Outstanding Short-Term Borrowings) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2407407 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsIssuanceOfCommercialPaperToFinanceAcquisitionAndOwnershipOfNuclearFuelDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>2407408 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Notes Payable By Variable Interest Entities) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.entergy.com/role/RevolvingCreditFacilitiesLinesOfCreditAndShortTermBorrowingsNotesPayableByVariableInterestEntitiesDetails</Role>
      <ShortName>Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Notes Payable By Variable Interest Entities) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - Long - Term Debt (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebtNarrativeDetails</Role>
      <ShortName>Long - Term Debt (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>2408403 - Disclosure - Long - Term Debt (Schedule Of Long-term Debt Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebtScheduleOfLongTermDebtInstrumentsDetails</Role>
      <ShortName>Long - Term Debt (Schedule Of Long-term Debt Instruments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>2408404 - Disclosure - Long - Term Debt (Schedule Of Maturities Of Long-term Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebtScheduleOfMaturitiesOfLongTermDebtDetails</Role>
      <ShortName>Long - Term Debt (Schedule Of Maturities Of Long-term Debt) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>2408405 - Disclosure - Long - Term Debt (Schedule Of Senior Secured Transition Bonds) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LongTermDebtScheduleOfSeniorSecuredTransitionBondsDetails</Role>
      <ShortName>Long - Term Debt (Schedule Of Senior Secured Transition Bonds) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>2409402 - Disclosure - Preferred Equity (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/PreferredEquityNarrativesDetails</Role>
      <ShortName>Preferred Equity (Narratives) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>2409403 - Disclosure - Preferred Equity (Schedule Of Number Of Shares And Units Authorized And Outstanding And Dollar Value Of Preferred Stock) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/PreferredEquityScheduleOfNumberOfSharesAndUnitsAuthorizedAndOutstandingAndDollarValueOfPreferredStockDetails</Role>
      <ShortName>Preferred Equity (Schedule Of Number Of Shares And Units Authorized And Outstanding And Dollar Value Of Preferred Stock) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - Common Equity (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquityNarrativeDetails</Role>
      <ShortName>Common Equity (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>2410403 - Disclosure - Common Equity (Common Stock And Treasury Stock Shares Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquityCommonStockAndTreasuryStockSharesActivityDetails</Role>
      <ShortName>Common Equity (Common Stock And Treasury Stock Shares Activity) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>2410404 - Disclosure - Common Equity (Changes in Accumulated Other Comprehensive Income (Loss)) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquityChangesInAccumulatedOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>Common Equity (Changes in Accumulated Other Comprehensive Income (Loss)) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>2410405 - Disclosure - Common Equity (Reclassifications from Accumulated Other Comprehensive Income (Loss)) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommonEquityReclassificationsFromAccumulatedOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>Common Equity (Reclassifications from Accumulated Other Comprehensive Income (Loss)) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - Commitments And Contingencies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommitmentsAndContingenciesNarrativeDetails</Role>
      <ShortName>Commitments And Contingencies (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Commitments And Contingencies (Maximum Amounts Of Possible Assessments Per Occurrence) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/CommitmentsAndContingenciesMaximumAmountsOfPossibleAssessmentsPerOccurrenceDetails</Role>
      <ShortName>Commitments And Contingencies (Maximum Amounts Of Possible Assessments Per Occurrence) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>2412402 - Disclosure - Asset Retirement Obligations (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligationsNarrativeDetails</Role>
      <ShortName>Asset Retirement Obligations (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>2412403 - Disclosure - Asset Retirement Obligations (Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligationsDifferenceBetweenEstimatedIncurredRemovalCostsAndEstimatedRemovalCostsRecoveredInRatesDetails</Role>
      <ShortName>Asset Retirement Obligations (Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>2412404 - Disclosure - Asset Retirement Obligations (Cumulative Decommissioning And Retirement Cost Liabilities And Expenses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligationsCumulativeDecommissioningAndRetirementCostLiabilitiesAndExpensesDetails</Role>
      <ShortName>Asset Retirement Obligations (Cumulative Decommissioning And Retirement Cost Liabilities And Expenses) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>2412405 - Disclosure - Asset Retirement Obligations (Fair Values Of Decommissioning Trust Funds And Related Asset Retirement Obligation Regulatory Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AssetRetirementObligationsFairValuesOfDecommissioningTrustFundsAndRelatedAssetRetirementObligationRegulatoryAssetsDetails</Role>
      <ShortName>Asset Retirement Obligations (Fair Values Of Decommissioning Trust Funds And Related Asset Retirement Obligation Regulatory Assets) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>2413402 - Disclosure - Leases (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesNarrativeDetails</Role>
      <ShortName>Leases (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>2413403 - Disclosure - Leases (Components Of Minimum Lease Payments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesComponentsOfMinimumLeasePaymentsDetails</Role>
      <ShortName>Leases (Components Of Minimum Lease Payments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>2413404 - Disclosure - Leases (Rent Expenses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesRentExpensesDetails</Role>
      <ShortName>Leases (Rent Expenses) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>2413405 - Disclosure - Leases Purchase Power Agreement Minimum Lease Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesPurchasePowerAgreementMinimumLeasePaymentsDetails</Role>
      <ShortName>Leases Purchase Power Agreement Minimum Lease Payments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>2413406 - Disclosure - Leases (Future Minimum Lease Payments Sale Leaseback Transactions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/LeasesFutureMinimumLeasePaymentsSaleLeasebackTransactionsDetails</Role>
      <ShortName>Leases (Future Minimum Lease Payments Sale Leaseback Transactions) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>2414402 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansNarrativeDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>2414403 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Net Periodic Pension Cost) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfNetPeriodicPensionCostDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Net Periodic Pension Cost) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>2414404 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Benefit Obligations, Plan Assets, Funded Status, Amounts Recognized In The Balance Sheet) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfBenefitObligationsPlanAssetsFundedStatusAmountsRecognizedInBalanceSheetDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Benefit Obligations, Plan Assets, Funded Status, Amounts Recognized In The Balance Sheet) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>2414405 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Projected Benefit Obligations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfProjectedBenefitObligationsDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Projected Benefit Obligations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>2414406 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Accumulated Benefit Obligations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfAccumulatedBenefitObligationsDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Accumulated Benefit Obligations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>2414407 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Amounts Recorded On The Balance Sheet) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfAmountsRecordedOnBalanceSheetDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Amounts Recorded On The Balance Sheet) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>2414408 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Reclassification Out of Accumulated Other Comprehensive Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansRetirementOtherPostretirementBenefitsAndDefinedContributionPlansReclassificationOutOfAccumulatedOtherComprehensiveIncomeDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Reclassification Out of Accumulated Other Comprehensive Income) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>2414409 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Plan Assets, Asset Allocations Targets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansPlanAssetsAssetAllocationsTargetsDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Plan Assets, Asset Allocations Targets) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>2414410 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Investments Held For Qualified Pension And Other Postretirement Plans Measured At Fair Value) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansInvestmentsHeldForQualifiedPensionAndOtherPostretirementPlansMeasuredAtFairValueDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Investments Held For Qualified Pension And Other Postretirement Plans Measured At Fair Value) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>2414411 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Estimated Future Benefit Payments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansEstimatedFutureBenefitPaymentsDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Estimated Future Benefit Payments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>2414412 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Expected Employer Contributions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansExpectedEmployerContributionsDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Expected Employer Contributions) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>2414413 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Actuarial Assumptions Used In Determining Pension And Other Postretirement Benefit Obligation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansActuarialAssumptionsUsedInDeterminingPensionAndOtherPostretirementBenefitObligationDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Actuarial Assumptions Used In Determining Pension And Other Postretirement Benefit Obligation) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>2414414 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Actuarial Assumptions Used In Determining Net Periodic And Other Postretirement Benefit Obligation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansActuarialAssumptionsUsedInDeterminingNetPeriodicAndOtherPostretirementBenefitObligationDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Actuarial Assumptions Used In Determining Net Periodic And Other Postretirement Benefit Obligation) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>2414415 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (One Percentage Point Change In Assumed Health Care Cost Trend Rate) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansOnePercentagePointChangeInAssumedHealthCareCostTrendRateDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (One Percentage Point Change In Assumed Health Care Cost Trend Rate) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>2414416 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Actuarially Estimated Effect Of Future Medicare Subsidies And The Actual Subsidies Received) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansScheduleOfActuariallyEstimatedEffectOfFutureMedicareSubsidiesAndActualSubsidiesReceivedDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Actuarially Estimated Effect Of Future Medicare Subsidies And The Actual Subsidies Received) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>2414417 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Contributions To Defined Contribution Plans) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RetirementOtherPostretirementBenefitsAndDefinedContributionPlansContributionsToDefinedContributionPlansDetails</Role>
      <ShortName>Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Contributions To Defined Contribution Plans) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>2415402 - Disclosure - Stock-Based Compensation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationNarrativeDetails</Role>
      <ShortName>Stock-Based Compensation (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>2415403 - Disclosure - Stock-Based Compensation (Schedule Of Financial Information Of Options) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationScheduleOfFinancialInformationOfOptionsDetails</Role>
      <ShortName>Stock-Based Compensation (Schedule Of Financial Information Of Options) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>2415404 - Disclosure - Stock-Based Compensation (Stock Option Weighted-Average Assumptions Used In Determining Fair Values) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationStockOptionWeightedAverageAssumptionsUsedInDeterminingFairValuesDetails</Role>
      <ShortName>Stock-Based Compensation (Stock Option Weighted-Average Assumptions Used In Determining Fair Values) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>2415405 - Disclosure - Stock-Based Compensation (Summary Of Stock Option Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationSummaryOfStockOptionActivityDetails</Role>
      <ShortName>Stock-Based Compensation (Summary Of Stock Option Activity) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>2415406 - Disclosure - Stock-Based Compensation (Summary Of Stock Options Outstanding Information) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/StockBasedCompensationSummaryOfStockOptionsOutstandingInformationDetails</Role>
      <ShortName>Stock-Based Compensation (Summary Of Stock Options Outstanding Information) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>2416402 - Disclosure - Business Segment Information (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/BusinessSegmentInformationNarrativeDetails</Role>
      <ShortName>Business Segment Information (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>2416403 - Disclosure - Business Segment Information (Segment Financial Information) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/BusinessSegmentInformationSegmentFinancialInformationDetails</Role>
      <ShortName>Business Segment Information (Segment Financial Information) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>2416404 - Disclosure - Business Segment Information Business Segment Information (Restructuring Costs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/BusinessSegmentInformationBusinessSegmentInformationRestructuringCostsDetails</Role>
      <ShortName>Business Segment Information Business Segment Information (Restructuring Costs) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>2417402 - Disclosure - Equity Method Investments (Schedule Of Equity Method Investments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/EquityMethodInvestmentsScheduleOfEquityMethodInvestmentsDetails</Role>
      <ShortName>Equity Method Investments (Schedule Of Equity Method Investments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>2417403 - Disclosure - Equity Method Investments (Schedule Of Equity Method Investments Reconciliation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/EquityMethodInvestmentsScheduleOfEquityMethodInvestmentsReconciliationDetails</Role>
      <ShortName>Equity Method Investments (Schedule Of Equity Method Investments Reconciliation) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>2418401 - Disclosure - Acquisitions And Dispositions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/AcquisitionsAndDispositionsDetails</Role>
      <ShortName>Acquisitions And Dispositions (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>2419402 - Disclosure - Risk Management and Fair Values (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesNarrativeDetails</Role>
      <ShortName>Risk Management and Fair Values (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>2419403 - Disclosure - Risk Management and Fair Values (Fair Values Of Derivative Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesFairValuesOfDerivativeInstrumentsDetails</Role>
      <ShortName>Risk Management and Fair Values (Fair Values Of Derivative Instruments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>2419404 - Disclosure - Risk Management and Fair Values (Derivative Instruments Designated as Cash Flow Hedges On Consolidated Statements Of Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesDerivativeInstrumentsDesignatedAsCashFlowHedgesOnConsolidatedStatementsOfIncomeDetails</Role>
      <ShortName>Risk Management and Fair Values (Derivative Instruments Designated as Cash Flow Hedges On Consolidated Statements Of Income) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>2419405 - Disclosure - Risk Management and Fair Values (Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOnConsolidatedStatementsOfIncomeDetails</Role>
      <ShortName>Risk Management and Fair Values (Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>2419406 - Disclosure - Risk Management and Fair Values (Assets And Liabilities At Fair Value On A Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesAssetsAndLiabilitiesAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>Risk Management and Fair Values (Assets And Liabilities At Fair Value On A Recurring Basis) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>2419407 - Disclosure - Risk Management and Fair Values (Reconciliation Of Changes In The Net Assets (Liabilities) For The Fair Value Of Derivatives Classified As Level 3 In The Fair Value Hierarchy) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesReconciliationOfChangesInNetAssetsLiabilitiesForFairValueOfDerivativesClassifiedAsLevel3InFairValueHierarchyDetails</Role>
      <ShortName>Risk Management and Fair Values (Reconciliation Of Changes In The Net Assets (Liabilities) For The Fair Value Of Derivatives Classified As Level 3 In The Fair Value Hierarchy) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>2419408 - Disclosure - Risk Management and Fair Values (Schedules Of Valuation Techniques) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/RiskManagementAndFairValuesSchedulesOfValuationTechniquesDetails</Role>
      <ShortName>Risk Management and Fair Values (Schedules Of Valuation Techniques) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>2420402 - Disclosure - Decommissioning Trust Funds (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFundsNarrativeDetails</Role>
      <ShortName>Decommissioning Trust Funds (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>2420403 - Disclosure - Decommissioning Trust Funds (Securities Held) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFundsSecuritiesHeldDetails</Role>
      <ShortName>Decommissioning Trust Funds (Securities Held) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>2420404 - Disclosure - Decommissioning Trust Funds (Available For Sale Securities Continuous Unrealized Loss Position Fair Value) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFundsAvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueDetails</Role>
      <ShortName>Decommissioning Trust Funds (Available For Sale Securities Continuous Unrealized Loss Position Fair Value) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>2420405 - Disclosure - Decommissioning Trust Funds (Fair Value Of Debt Securities By Contractual Maturities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/DecommissioningTrustFundsFairValueOfDebtSecuritiesByContractualMaturitiesDetails</Role>
      <ShortName>Decommissioning Trust Funds (Fair Value Of Debt Securities By Contractual Maturities) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>2421401 - Disclosure - Variable Interest Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/VariableInterestEntitiesDetails</Role>
      <ShortName>Variable Interest Entities (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>2422402 - Disclosure - Transactions With Affiliates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/TransactionsWithAffiliatesDetails</Role>
      <ShortName>Transactions With Affiliates (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>2423402 - Disclosure - Quarterly Financial Data (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/QuarterlyFinancialDataDetails</Role>
      <ShortName>Quarterly Financial Data (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>2423403 - Disclosure - Quarterly Financial Data (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/QuarterlyFinancialDataNarrativeDetails</Role>
      <ShortName>Quarterly Financial Data (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>2424401 - Disclosure - Schedule II - Valuation And Qualifying Accounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.entergy.com/role/ScheduleIiValuationAndQualifyingAccountsDetails</Role>
      <ShortName>Schedule II - Valuation And Qualifying Accounts (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element etr_AccidentalOutageCoverageProgramWeeklyIndemnity had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element etr_AmountTransferredToSubsidiary had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_AmountUsedToAcquireMembershipInterestUnitsInWhollyOwnedSubsidiary had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_AvailableForSaleSecuritiesDebtMaturitiesAfterFifteenToTwentyYearsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_AvailableForSaleSecuritiesDebtMaturitiesAfterTenToFifteenYearsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesPurchasesSalesIssuancesSettlements had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_FinancingOrderAuthorizedToIssueStormCostRecoveryBonds had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_FormulaRatePlanExtensionRequestMisoOnlyScenarioCommonEquityBasisPointRange had a mix of decimals attribute values: 0 4.</Log>
    <Log type="Info">Element etr_FormulaRatePlanExtensionRequestSharingMechanismCustomers had a mix of decimals attribute values: 0 2.</Log>
    <Log type="Info">Element etr_IncreaseInAnnualFundingForStormReserve had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element etr_IncreaseInDecommissioningLiability had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_IssuanceofFixedTransmissionRights had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_LCDAissuanceofbondsunderLouisianaAct55financing had a mix of decimals attribute values: -6 2.</Log>
    <Log type="Info">Element etr_LettersOfCredit had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_MinimumAmountOfBenefitsCommittedToPassOnToCustomers had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_PotentialCostForEntergyArkansasForYears20032004And2006BasedOnIntraSystemBills had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_ProceedFromLoanByGovernmentAuthorityToCorporation had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_PropertyInsuranceDeductiblesPerOccurrence had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_ProspectiveAnnualRateReductionsForFiveYears had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_PublicUtilitiesEarnedReturnOnCommonEquity had a mix of decimals attribute values: 3 4.</Log>
    <Log type="Info">Element etr_RateIncrease had a mix of decimals attribute values: -6 -5 -4 -3.</Log>
    <Log type="Info">Element etr_RateReduction had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element etr_RequestFiledForRefundOfFuelCostRecoveryOverCollections had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element etr_TemporaryCashInvestmentsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AssetsFairValueDisclosure had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecurities had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesDebtSecurities had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesGrossRealizedGains had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses had a mix of decimals attribute values: -6 -5 -4.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_CommonStockParOrStatedValuePerShare had a mix of decimals attribute values: 0 2.</Log>
    <Log type="Info">Element us-gaap_ConstructionPayableCurrentAndNoncurrent had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DerivativeGainLossOnDerivativeNet had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_DerivativeLiabilities had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_DividendsPreferredStockCash had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_GainLossOnSaleOfBusiness had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">Element us-gaap_ImpairmentOfLongLivedAssetsHeldForUse had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityAmountOutstanding had a mix of decimals attribute values: -6 -5 -3.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityCommitmentFeeAmount had a mix of decimals attribute values: 3 4.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityCommitmentFeePercentage had a mix of decimals attribute values: 0 4.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_LongTermTransitionBond had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_LossContingencyRangeOfPossibleLossMaximum had a mix of decimals attribute values: -8 -5 -4.</Log>
    <Log type="Info">Element us-gaap_OperatingLossCarryforwards had a mix of decimals attribute values: -8 -6.</Log>
    <Log type="Info">Element us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage had a mix of decimals attribute values: 3 4.</Log>
    <Log type="Info">Element us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element us-gaap_WeightedAverageNumberOfSharesOutstandingBasic had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '1/1/2013 - 3/31/2013' is shorter (89 days) and has only 16 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '4/1/2013 - 6/30/2013' is shorter (90 days) and has only 8 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '7/1/2013 - 9/30/2013' is shorter (91 days) and has only 8 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '10/1/2013 - 12/31/2013' is shorter (91 days) and has only 16 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '1/1/2014 - 3/31/2014' is shorter (89 days) and has only 16 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '4/1/2014 - 6/30/2014' is shorter (90 days) and has only 8 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '7/1/2014 - 9/30/2014' is shorter (91 days) and has only 8 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Consolidated Statements Of Cash Flows (USD $)' have maximum duration 365 days and at least 307 values. Shorter duration columns must have at least one fourth (76) as many values. Column '10/1/2014 - 12/31/2014' is shorter (91 days) and has only 16 values, so it is being removed.</Log>
    <Log type="Info">'Monetary' elements on report '2401403 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2401404 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Net Property, Plant, And Equipment) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2401407 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share, Basic And Diluted) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2404402 - Disclosure - Rate And Regulatory Matters (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2404405 - Disclosure - Rate And Regulatory Matters (Fuel And Purchased Power Cost Recovery) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2406402 - Disclosure - Income Taxes (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2406406 - Disclosure - Income Taxes (Schedule Of Estimated Tax Attributes Carryovers And Their Expiration Dates) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2407402 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2407404 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Credit Facilities) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2407405 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2407407 - Disclosure - Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2408402 - Disclosure - Long - Term Debt (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2408403 - Disclosure - Long - Term Debt (Schedule Of Long-term Debt Instruments) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2411402 - Disclosure - Commitments And Contingencies (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2412402 - Disclosure - Asset Retirement Obligations (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2413402 - Disclosure - Leases (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2414402 - Disclosure - Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2417403 - Disclosure - Equity Method Investments (Schedule Of Equity Method Investments Reconciliation) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2418401 - Disclosure - Acquisitions And Dispositions (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2423403 - Disclosure - Quarterly Financial Data (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1001000 - Statement - Consolidated Statements Of Income</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2013'</Log>
    <Log type="Info">Process Flow-Through: 1002000 - Statement - Consolidated Statements Of Comprehensive Income</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2013'</Log>
    <Log type="Info">Process Flow-Through: 1002501 - Statement - Consolidated Statements Of Comprehensive Income (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1003000 - Statement - Consolidated Statements Of Cash Flows</Log>
    <Log type="Info">Process Flow-Through: 1004000 - Statement - Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 1004501 - Statement - Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1005501 - Statement - Consolidated Statements Of Changes In Equity (Parenthetical)</Log>
  </Logs>
  <InputFiles>
    <File>etr-20141231.xml</File>
    <File>etr-20141231.xsd</File>
    <File>etr-20141231_cal.xml</File>
    <File>etr-20141231_def.xml</File>
    <File>etr-20141231_lab.xml</File>
    <File>etr-20141231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
