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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Notes Payable By Variable Interest Entities) (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2016 USD ($)
Entergy Arkansas VIE [Member] |
Notes payable by variable interest entities |
Consolidated Debt Ratio Of Capitalization | 70.00%
Entergy Louisiana VIE [Member] |
Notes payable by variable interest entities |
Consolidated Debt Ratio Of Capitalization | 70.00%
System Energy VIE [Member] |
Notes payable by variable interest entities |
Consolidated Debt Ratio Of Capitalization | 70.00%
Three Point Two Three Percent Series J Notes Due July Two Thousand Sixteen [Member] | Entergy Arkansas VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.23%
Amount | $ 55
Two Point Six Two Percent Series K Notes Due December Two Thousand Seventeen [Member] | Entergy Arkansas VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 2.62%
Amount | $ 60
Three Point Six Five Percent Series L Notes Due July Two Thousand Twenty One [Member] | Entergy Arkansas VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.65%
Amount | $ 90
Three Point Two Five Percent Series Q Due July Two Thousand Seventeen [Member] | Entergy Louisiana River Bend VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.25%
Amount | $ 75
Three Point Three Eight Percent Series R Notes Due August Two Thousand Twenty [Member] | Entergy Louisiana River Bend VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.38%
Amount | $ 70
Three Point Two Five Percent Series G Due July Two Thousand Seventeen [Member] | Entergy Louisiana Waterford VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.25%
Amount | $ 25
Three Point Nine Two Percent Series H Dues February Two Thousand Twenty One [Member] | Entergy Louisiana Waterford VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.92%
Amount | $ 40
Four Point Zero Two Percent Series H Notes Due February Two Thousand Seventeen [Member] | System Energy VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 4.02%
Amount | $ 50
Three Point Seven Eight Percent Series I Notes Due October Two Thousand Eighteen [Member] | System Energy VIE [Member] |
Notes payable by variable interest entities |
Stated interest rate (percentage) | 3.78%
Amount | $ 85

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