2.4.0.811101 - Disclosure - Property, Plant, And Equipmenttruefalsefalse1false falsefalseDuration_1_1_2013_To_6_30_2013http://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:001false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment2false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyArkansasMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy Arkansas [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyArkansasMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy Arkansas [Member]3false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyGulfStatesLouisianaMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy Gulf States Louisiana [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyGulfStatesLouisianaMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy Gulf States Louisiana [Member]5false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyLouisianaMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy Louisiana [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyLouisianaMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy Louisiana [Member]7false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment8false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyMississippiMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy Mississippi [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyMississippiMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy Mississippi [Member]9false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment10false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse6false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyNewOrleansMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy New Orleansdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyNewOrleansMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy New Orleans11false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse7false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_EntergyTexasMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseEntergy Texas [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_EntergyTexasMemberdei_LegalEntityAxisexplicitMembernanafalse0Entergy Texas [Member]13false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And Equipment14false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse8false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_etr_SystemEnergyMemberhttp://www.sec.gov/CIK0000065984duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseSystem Energy [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldietr_SystemEnergyMemberdei_LegalEntityAxisexplicitMembernanafalse0System Energy [Member]15false 4us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> <div style="text-indent: 0pt; display: block;"> <div> <div> <div> NOTE 11. PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)   <div> <div> Construction Expenditures in Accounts Payable   <div>             Construction expenditures included in accounts payable at June 30, 2013 are $141.9 million for Entergy, $31.9 million for Entergy Arkansas, $17.3 million for Entergy Gulf States Louisiana, $34.5 million for Entergy Louisiana, $1.8 million for Entergy Mississippi, $2.7 million for Entergy New Orleans, $1.1 million for Entergy Texas, and $5.9 million for System Energy.  Construction expenditures included in accounts payable at December 31, 2012 are $267 million for Entergy, $56.3 million for Entergy Arkansas, $9.7 million for Entergy Gulf States Louisiana, $110.4 million for Entergy Louisiana, $4.8 million for Entergy Mississippi, $1.9 million for Entergy New Orleans, $8.6 million for Entergy Texas, and $13.5 million for System Energy.   Impairment of Long-Lived Assets               See "Impairment of Long-Lived Assets" in Note 1 to the financial statements in the Form 10-K for a discussion of the periodic reviews that Entergy performs whenever events or changes in circumstances indicate that the recoverability of long-lived assets is uncertain.  Following are updates to that discussion regarding the Vermont Yankee nuclear power plant.   First, as discussed in the Form 10-K, Entergy is seeking a Certificate of Public Good from the Vermont Public Service Board (VPSB) for operation of Vermont Yankee until March 2032.  In June 2013, the VPSB completed hearings on that petition and established a schedule providing for proposals for decision and initial briefs to be filed in August 2013 and reply briefs to be filed in September 2013.  Second, as discussed in the Form 10-K, the New England Coalition in December 2012 filed a complaint in the Vermont Supreme Court seeking an order to shut down Vermont Yankee while its Certificate of Public Good application is pending, and Entergy moved to dismiss that complaint.  On March 25, 2013, the Vermont Supreme Court granted Entergy's motion and dismissed the complaint.  Third, as discussed in the Form 10-K, Entergy appealed a January 2013 order of the VPSB that made ripe for appeal two earlier orders in which the VPSB had found that the state's timely renewal law, 3 V.S.A. § 814(b), did not apply to certain conditions in the orders issued by the VPSB in 2002 and 2006 precluding Vermont Yankee's operation after March 21, 2012.  Briefing of this appeal has been completed and the Vermont Supreme Court has scheduled oral argument for October 2, 2013.  Fourth, as discussed in the Form 10-K, in February 2013, the VPSB issued a notice allowing comments to be filed regarding Vermont Yankee's petition for a Certificate of Public Good to install a diesel generator to enable it to comply with the NRC's station blackout requirements.  On June 6, 2013, the VPSB issued a Certificate of Public Good for the diesel generator, allowing construction to begin on a schedule that is expected to enable Vermont Yankee to meet the September 1, 2013 deadline for compliance with these NRC requirements.   Impairment of Vermont Yankee in First Quarter 2012               See the Form 10-K for a discussion of the impairment charge recorded for the Vermont Yankee plant in the first quarter 2012. </div></div></div></div></div></div></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Property, Plant And EquipmentfalseProperty, Plant, And EquipmentUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://entergy.com/role/DisclosurePropertyPlantAndEquipment115