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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Letters of Credit Outstanding, Amount | $ 69,000 | $ 34,000
Entergy Arkansas [Member] |  |
Letters of Credit Outstanding, Amount | 200 | 200
Entergy Mississippi [Member] |  |
Letters of Credit Outstanding, Amount | 100 | 100
Entergy Texas [Member] |  |
Letters of Credit Outstanding, Amount | 200 | $ 50
Credit Facility Of Twenty Five Million [Member] | Entergy Arkansas [Member] |  |
Uncommitted Credit Facility | $ 25,000 |
Letter of Credit Fee, Percentage | 0.70% |
Letters of Credit Outstanding, Amount | $ 1,000 |
Credit Facility of Fifty Million [Member] | Entergy Texas [Member] |  |
Uncommitted Credit Facility | $ 50,000 |
Letter of Credit Fee, Percentage | 0.70% |
Letters of Credit Outstanding, Amount | $ 25,600 |
Credit Facility of Forty Million [Member] | Entergy Mississippi [Member] |  |
Uncommitted Credit Facility | $ 40,000 |
Letter of Credit Fee, Percentage | 0.70% |
Letters of Credit Outstanding, Amount | $ 16,600 |
Credit Facility of Fifteen Million [Member] | Entergy New Orleans [Member] |  |
Uncommitted Credit Facility | $ 15,000 |
Letter of Credit Fee, Percentage | 1.00% |
Letters of Credit Outstanding, Amount | $ 4,800 |
Credit Facility Of One Hundred Twenty Five Million [Member] | Entergy Louisiana [Member] |  |
Uncommitted Credit Facility | $ 125,000 |
Letter of Credit Fee, Percentage | 0.70% |
Letters of Credit Outstanding, Amount | $ 23,800 |

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- Definition Letter of Credit Fee, Percentage + References No definition available. + Details
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- Definition Maximum borrowing capacity under the uncommitted credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Details
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