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Risk Management and Fair Values (Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income) (Details) (Not Designated As Hedging Instrument [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
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Jun. 30, 2014 Competitive Businesses Operating Revenues [Member] Electricity Swaps And Options [Member] | Jun. 30, 2013 Competitive Businesses Operating Revenues [Member] Electricity Swaps And Options [Member] | Jun. 30, 2014 Competitive Businesses Operating Revenues [Member] Electricity Swaps And Options [Member] | Jun. 30, 2013 Competitive Businesses Operating Revenues [Member] Electricity Swaps And Options [Member] | Jun. 30, 2014 Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Swap [Member] | Jun. 30, 2013 Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Swap [Member] | Dec. 31, 2013 Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Swap [Member] | Jun. 30, 2014 Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Arkansas [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Arkansas [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Gulf States Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Gulf States Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Gulf States Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Gulf States Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Gulf States Louisiana [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Gulf States Louisiana [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Louisiana [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Louisiana [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Louisiana [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Mississippi [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Mississippi [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Mississippi [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy Mississippi [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy Mississippi [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Mississippi [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2013 Entergy New Orleans [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy New Orleans [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2013 Entergy New Orleans [Member] Fuel, Fuel Related Expenses And Gas Purchased For Resale [Member] Natural Gas Swaps [Member] | Jun. 30, 2014 Entergy New Orleans [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy New Orleans [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Texas [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member] | Jun. 30, 2014 Entergy Texas [Member] Purchased Power Expense [Member] Fixed Transmission Rights (FTRs) [Member]
Effect of Derivative instruments not designated as hedging instruments on the consolidated statements of income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of gain (loss) recognized in AOCI | $ (14) | $ (1) | $ 7 | $ 0 | $ 0 |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of gain (loss) recorded in income | $ 4.0 | $ (9.0) | $ 25.0 | $ (10.0) | $ 21.0 | $ 9.0 |  | $ 4.0 | $ 29.0 | $ 89.0 | $ 6.7 | $ 11.8 | $ 1.4 | $ 9.0 | $ 8.2 | $ 2.8 | $ 26.1 | $ 35.1 | $ 2.2 | $ 12.2 | $ 10.2 | $ 3.9 | $ 12.4 | $ 20.4 | $ 0.6 | $ 7.9 | $ 2.2 | $ 2.5 | $ 4.5 | $ 12.3 | $ (0.1) | $ 0.7 | $ (0.1) | $ 3.3 | $ 6.3 | $ 33.4 | $ 46.2

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- Definition Derivative instruments not designated as hedging instruments gain loss recognized in other comprehensive income effective portion, net. + References No definition available. + Details
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- Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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