2.2.0.25truefalse0613 - Disclosure - Business Segment Information (Details)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Jan-01-2010_Dec-31-2010http://www.sec.gov/CIK0000065984duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $TwelveMonthsEnded_31Dec2009http://www.sec.gov/CIK0000065984duration2009-01-01T00:00:002009-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $TwelveMonthsEnded_31Dec2008http://www.sec.gov/CIK0000065984duration2008-01-01T00:00:002008-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0etr_SegmentFinancialInformationAbstractetrfalsenadurationSegment Financial Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Financial Information.falsefalseSegment Financial Information3false0us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse12816300001281630000falsetruefalsefalsefalse2truefalsefalse12818380001281838000falsetruefalsefalsefalse3truefalsefalse12202690001220269000falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph e falsefalseDeprec., amort. & decomm.4false0etr_SegmentReportingInformationInterestAndInvestmentIncomeLossetrfalsecreditdurationSegment reporting information interest and investment income loss.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse185455000185455000falsefalsefalsefalsefalse2truefalsefalse236628000236628000falsefalsefalsefalsefalse3truefalsefalse197872000197872000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information interest and investment income loss.No authoritative reference available.falsefalseInterest and investment income (loss)5false0us-gaap_SegmentReportingInformationRevenueFromExternalCustomersus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1148757700011487577000falsefalsefalsefalsefalse2truefalsefalse1074565000010745650000falsefalsefalsefalsefalse3truefalsefalse1309375600013093756000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a falsefalseOperating revenues6false0us-gaap_SegmentReportingInformationInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse575167000575167000falsefalsefalsefalsefalse2truefalsefalse570444000570444000falsefalsefalsefalsefalse3truefalsefalse608921000608921000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d falsefalseInterest expense7false0us-gaap_SegmentReportingInformationIncomeTaxExpenseBenefitus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse617239000617239000falsefalsefalsefalsefalse2truefalsefalse632740000632740000falsefalsefalsefalsefalse3truefalsefalse602998000602998000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of income tax expense or benefit attributed to the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph h falsefalseIncome taxes (benefits)8false0us-gaap_SegmentReportingInformationProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse12703050001270305000falsefalsefalsefalsefalse2truefalsefalse12510500001251050000falsefalsefalsefalsefalse3truefalsefalse12405350001240535000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of profit or loss recognized by the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseConsolidated net income (loss)9false0us-gaap_SegmentReportingSegmentAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse3868527600038685276000falsefalsefalsefalsefalse2truefalsefalse3756195300037561953000falsefalsefalsefalsefalse3truefalsefalse3661681800036616818000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal assets for reportable segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph c falsefalseTotal assets10false0us-gaap_SegmentReportingInformationInvestmentInEquityMethodInvesteesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse4069700040697000falsefalsefalsefalsefalse2truefalsefalse3958000039580000falsefalsefalsefalsefalse3truefalsefalse6624700066247000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of investment in an equity method investee of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph a falsefalseInvestment in affiliates - at equity11false0us-gaap_SegmentReportingInformationExpendituresForAdditionsToLongLivedAssetsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse24539970002453997000falsefalsefalsefalsefalse2truefalsefalse25287190002528719000falsefalsefalsefalsefalse3truefalsefalse29750290002975029000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b falsefalseCash paid for long-lived asset additions12true0etr_BusinessSegmentInformationTextualsAbstractetrfalsenadurationBusiness Segment Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringBusiness Segment Information.falsefalseBusiness Segment Information (Textuals) [Abstract]13false0etr_SegmentReportingInformationCapitalCostsWriteOffetrfalsedebitdurationSegment Reporting Information Capital costs write off.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse6400000064000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment Reporting Information Capital costs write off.No authoritative reference available.falsefalseCapital costs write-off14false0etr_SegmentReportingInformationDebtFinancingCostsWriteOffetrfalsedebitdurationSegment Reporting Information Debt financing costs write off.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse3900000039000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment Reporting Information Debt financing costs write off.No authoritative reference available.falsefalseDebt financing costs write-off15false0etr_SegmentReportingInformationLineOfCreditFacilityetrfalsecreditinstantSegment reporting information, line of credit facility.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse12000000001200000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information, line of credit facility.No authoritative reference available.falsefalsespin-off credit facility16false0us-gaap_SegmentReportingInformationOtherNoninterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1600000016000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of all other noninterest expenses for the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseOther costs incurred in connection with unwinding planned non-utility nuclear spin-off transaction17false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://entergy.com/role/businesssegmentinformationdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Utility [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Utility_Memberhttp://www.sec.gov/CIK0000065984duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseUtility [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_UtilityMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$5falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Utility [Member] 1/1/2009 - 12/31/2009 USD ($) $TwelveMonthsEnded_31Dec2009_Utility_Memberhttp://www.sec.gov/CIK0000065984duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseUtility [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_UtilityMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$6falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Utility [Member] 1/1/2008 - 12/31/2008 USD ($) $TwelveMonthsEnded_31Dec2008_Utility_Memberhttp://www.sec.gov/CIK0000065984duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseUtility [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_UtilityMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseUtility [Member]18true0etr_SegmentFinancialInformationAbstractetrfalsenadurationSegment Financial Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Financial Information.falsefalseSegment Financial Information19false0us-gaap_SegmentReportingInformationRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse89413320008941332000falsefalsefalsefalsefalse2truefalsefalse80553530008055353000falsefalsefalsefalsefalse3truefalsefalse1031863000010318630000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c falsefalseOperating revenues20false0us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse10063850001006385000falsefalsefalsefalsefalse2truefalsefalse10259220001025922000falsefalsefalsefalsefalse3truefalsefalse984651000984651000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph e falsefalseDeprec., amort. & decomm.21false0etr_SegmentReportingInformationInterestAndInvestmentIncomeLossetrfalsecreditdurationSegment reporting information interest and investment income loss.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse182493000182493000falsefalsefalsefalsefalse2truefalsefalse180505000180505000falsefalsefalsefalsefalse3truefalsefalse122657000122657000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information interest and investment income loss.No authoritative reference available.falsefalseInterest and investment income (loss)22false0us-gaap_SegmentReportingInformationInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse493241000493241000falsefalsefalsefalsefalse2truefalsefalse462206000462206000falsefalsefalsefalsefalse3truefalsefalse425216000425216000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d falsefalseInterest expense23false0us-gaap_SegmentReportingInformationIncomeTaxExpenseBenefitus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse454227000454227000falsefalsefalsefalsefalse2truefalsefalse388682000388682000falsefalsefalsefalsefalse3truefalsefalse371281000371281000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of income tax expense or benefit attributed to the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph h falsefalseIncome taxes (benefits)24false0us-gaap_SegmentReportingInformationProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse829719000829719000falsefalsefalsefalsefalse2truefalsefalse708905000708905000falsefalsefalsefalsefalse3truefalsefalse605144000605144000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of profit or loss recognized by the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseConsolidated net income (loss)25false0us-gaap_SegmentReportingSegmentAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse3108024000031080240000falsefalsefalsefalsefalse2truefalsefalse2989208800029892088000falsefalsefalsefalsefalse3truefalsefalse2881014700028810147000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal assets for reportable segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph c falsefalseTotal assets26false0us-gaap_SegmentReportingInformationInvestmentInEquityMethodInvesteesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse199000199000falsefalsefalsefalsefalse2truefalsefalse200000200000falsefalsefalsefalsefalse3truefalsefalse199000199000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of investment in an equity method investee of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph a falsefalseInvestment in affiliates - at equity27false0us-gaap_SegmentReportingInformationExpendituresForAdditionsToLongLivedAssetsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse17666090001766609000falsefalsefalsefalsefalse2truefalsefalse18729970001872997000falsefalsefalsefalsefalse3truefalsefalse24780140002478014000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b falsefalseCash paid for long-lived asset additions29false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://entergy.com/role/businesssegmentinformationdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse7falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Entergy Wholesale Commodities [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Entergy_Wholesale_Commodities_Memberhttp://www.sec.gov/CIK0000065984duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseEntergy Wholesale Commodities [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyWholesaleCommoditiesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Entergy Wholesale Commodities [Member] 1/1/2009 - 12/31/2009 USD ($) $TwelveMonthsEnded_31Dec2009_Entergy_Wholesale_Commodities_Memberhttp://www.sec.gov/CIK0000065984duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseEntergy Wholesale Commodities [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyWholesaleCommoditiesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Entergy Wholesale Commodities [Member] 1/1/2008 - 12/31/2008 USD ($) $TwelveMonthsEnded_31Dec2008_Entergy_Wholesale_Commodities_Memberhttp://www.sec.gov/CIK0000065984duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseEntergy Wholesale Commodities [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyWholesaleCommoditiesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseEntergy Wholesale Commodities [Member]30true0etr_SegmentFinancialInformationAbstractetrfalsenadurationSegment Financial Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Financial Information.falsefalseSegment Financial Information31false0us-gaap_SegmentReportingInformationRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse25661560002566156000falsefalsefalsefalsefalse2truefalsefalse27110780002711078000falsefalsefalsefalsefalse3truefalsefalse27936370002793637000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c falsefalseOperating revenues32false0us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse270658000270658000falsefalsefalsefalsefalse2truefalsefalse251147000251147000falsefalsefalsefalsefalse3truefalsefalse230439000230439000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph e falsefalseDeprec., amort. & decomm.33false0etr_SegmentReportingInformationInterestAndInvestmentIncomeLossetrfalsecreditdurationSegment reporting information interest and investment income loss.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse171158000171158000falsefalsefalsefalsefalse2truefalsefalse196492000196492000falsefalsefalsefalsefalse3truefalsefalse163200000163200000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information interest and investment income loss.No authoritative reference available.falsefalseInterest and investment income (loss)34false0us-gaap_SegmentReportingInformationInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse7181700071817000falsefalsefalsefalsefalse2truefalsefalse7827800078278000falsefalsefalsefalsefalse3truefalsefalse100757000100757000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d falsefalseInterest expense35false0us-gaap_SegmentReportingInformationIncomeTaxExpenseBenefitus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse268649000268649000falsefalsefalsefalsefalse2truefalsefalse322255000322255000falsefalsefalsefalsefalse3truefalsefalse289643000289643000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of income tax expense or benefit attributed to the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph h falsefalseIncome taxes (benefits)36false0us-gaap_SegmentReportingInformationProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse489422000489422000falsefalsefalsefalsefalse2truefalsefalse641094000641094000falsefalsefalsefalsefalse3truefalsefalse798227000798227000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of profit or loss recognized by the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseConsolidated net income (loss)37false0us-gaap_SegmentReportingSegmentAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1010281700010102817000falsefalsefalsefalsefalse2truefalsefalse1113479100011134791000falsefalsefalsefalsefalse3truefalsefalse92957220009295722000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal assets for reportable segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph c falsefalseTotal assets38false0us-gaap_SegmentReportingInformationInvestmentInEquityMethodInvesteesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse5945600059456000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of investment in an equity method investee of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph a falsefalseInvestment in affiliates - at equity39false0us-gaap_SegmentReportingInformationExpendituresForAdditionsToLongLivedAssetsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse687313000687313000falsefalsefalsefalsefalse2truefalsefalse661596000661596000falsefalsefalsefalsefalse3truefalsefalse490348000490348000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b falsefalseCash paid for long-lived asset additions41false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://entergy.com/role/businesssegmentinformationdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse10falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : All Other [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_All_Other_Memberhttp://www.sec.gov/CIK0000065984duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseAll Other [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_AllOtherMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : All Other [Member] 1/1/2009 - 12/31/2009 USD ($) $TwelveMonthsEnded_31Dec2009_All_Other_Memberhttp://www.sec.gov/CIK0000065984duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseAll Other [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_AllOtherMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : All Other [Member] 1/1/2008 - 12/31/2008 USD ($) $TwelveMonthsEnded_31Dec2008_All_Other_Memberhttp://www.sec.gov/CIK0000065984duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseAll Other [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_AllOtherMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseAll Other [Member]42true0etr_SegmentFinancialInformationAbstractetrfalsenadurationSegment Financial Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Financial Information.falsefalseSegment Financial Information43false0us-gaap_SegmentReportingInformationRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse74420007442000falsefalsefalsefalsefalse2truefalsefalse56820005682000falsefalsefalsefalsefalse3truefalsefalse64560006456000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c falsefalseOperating revenues44false0us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse45870004587000falsefalsefalsefalsefalse2truefalsefalse47690004769000falsefalsefalsefalsefalse3truefalsefalse51790005179000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph e falsefalseDeprec., amort. & decomm.45false0etr_SegmentReportingInformationInterestAndInvestmentIncomeLossetrfalsecreditdurationSegment reporting information interest and investment income loss.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse4475700044757000falsefalsefalsefalsefalse2truefalsefalse-10470000-10470000falsefalsefalsefalsefalse3truefalsefalse74210007421000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information interest and investment income loss.No authoritative reference available.falsefalseInterest and investment income (loss)46false0us-gaap_SegmentReportingInformationInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse129505000129505000falsefalsefalsefalsefalse2truefalsefalse8642000086420000falsefalsefalsefalsefalse3truefalsefalse138576000138576000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d falsefalseInterest expense47false0us-gaap_SegmentReportingInformationIncomeTaxExpenseBenefitus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-105637000-105637000falsefalsefalsefalsefalse2truefalsefalse-78197000-78197000falsefalsefalsefalsefalse3truefalsefalse-57926000-57926000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of income tax expense or benefit attributed to the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph h falsefalseIncome taxes (benefits)48false0us-gaap_SegmentReportingInformationProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse4472100044721000falsefalsefalsefalsefalse2truefalsefalse-25511000-25511000falsefalsefalsefalsefalse3truefalsefalse-123057000-123057000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of profit or loss recognized by the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseConsolidated net income (loss)49false0us-gaap_SegmentReportingSegmentAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-714968000-714968000falsefalsefalsefalsefalse2truefalsefalse-646756000-646756000falsefalsefalsefalsefalse3truefalsefalse334600000334600000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal assets for reportable segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph c falsefalseTotal assets50false0us-gaap_SegmentReportingInformationInvestmentInEquityMethodInvesteesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-18958000-18958000falsefalsefalsefalsefalse2truefalsefalse3938000039380000falsefalsefalsefalsefalse3truefalsefalse6604800066048000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of investment in an equity method investee of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph a falsefalseInvestment in affiliates - at equity51false0us-gaap_SegmentReportingInformationExpendituresForAdditionsToLongLivedAssetsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse7500075000falsefalsefalsefalsefalse2truefalsefalse-5874000-5874000falsefalsefalsefalsefalse3truefalsefalse66670006667000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b falsefalseCash paid for long-lived asset additions53false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://entergy.com/role/businesssegmentinformationdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse13falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Eliminations [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Eliminations_Memberhttp://www.sec.gov/CIK0000065984duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseEliminations [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EliminationsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Eliminations [Member] 1/1/2009 - 12/31/2009 USD ($) $TwelveMonthsEnded_31Dec2009_Eliminations_Memberhttp://www.sec.gov/CIK0000065984duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseEliminations [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EliminationsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$15falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Eliminations [Member] 1/1/2008 - 12/31/2008 USD ($) $TwelveMonthsEnded_31Dec2008_Eliminations_Memberhttp://www.sec.gov/CIK0000065984duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseEliminations [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldietr_EliminationsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseEliminations [Member]54true0etr_SegmentFinancialInformationAbstractetrfalsenadurationSegment Financial Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringSegment Financial Information.falsefalseSegment Financial Information55false0etr_SegmentReportingInformationInterestAndInvestmentIncomeLossetrfalsecreditdurationSegment reporting information interest and investment income loss.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-212953000-212953000falsefalsefalsefalsefalse2truefalsefalse-129899000-129899000falsefalsefalsefalsefalse3truefalsefalse-95406000-95406000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySegment reporting information interest and investment income loss.No authoritative reference available.falsefalseInterest and investment income (loss)56false0us-gaap_SegmentReportingInformationIntersegmentRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-27353000-27353000falsefalsefalsefalsefalse2truefalsefalse-26463000-26463000falsefalsefalsefalsefalse3truefalsefalse-24967000-24967000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph b falsefalseOperating revenues57false0us-gaap_SegmentReportingInformationInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-119396000-119396000falsefalsefalsefalsefalse2truefalsefalse-56460000-56460000falsefalsefalsefalsefalse3truefalsefalse-55628000-55628000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d falsefalseInterest expense58false0us-gaap_SegmentReportingInformationProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-93557000-93557000falsefalsefalsefalsefalse2truefalsefalse-73438000-73438000falsefalsefalsefalsefalse3truefalsefalse-39779000-39779000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of profit or loss recognized by the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 falsefalseConsolidated net income (loss)59false0us-gaap_SegmentReportingSegmentAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-1782813000-1782813000falsetruefalsefalsefalse2truefalsefalse-2818170000-2818170000falsetruefalsefalsefalse3truefalsefalse-1823651000-1823651000falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal assets for reportable segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph c falsefalseTotal assets355Business Segment Information (Details) (USD $)NoRoundingUnKnownUnKnownUnKnownfalsetrue