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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Credit Facilities) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Amount of total borrowing capacity against which fronting commitments exist | $ 20,000 |
Amount of Facility | 3,500,000 |
Amount Drawn/ Outstanding | 1,125,000 |
Letters of Credit Outstanding, Amount | 69,000 | $ 34,000
Entergy Arkansas [Member] |  |
Amount of total borrowing capacity against which fronting commitments exist | 5,000 |
Letters of Credit Outstanding, Amount | $ 200 | 200
Entergy Arkansas [Member] | Credit Facility Of One Hundred And Fifty Million [Member] |  |
Expiration Date | Aug. 14, 2022 |
Amount of Facility | $ 150,000 |
Interest Rate | 3.12% |
Amount Drawn/ Outstanding | $ 50,000 |
Letters of Credit Outstanding, Amount | $ 0 |
Entergy Arkansas [Member] | Credit Facility Of Twenty Million [Member] |  |
Expiration Date | Apr. 30, 2018 |
Amount of Facility | $ 20,000 |
Interest Rate | 3.14% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | 0 |
Entergy Louisiana [Member] |  |
Amount of total borrowing capacity against which fronting commitments exist | $ 15,000 |
Entergy Louisiana [Member] | Credit Facility Of Three Hundred Fifty Million [Member] |  |
Expiration Date | Aug. 14, 2022 |
Amount of Facility | $ 350,000 |
Interest Rate | 2.94% |
Amount Drawn/ Outstanding | $ 100,000 |
Letters of Credit Outstanding, Amount | 9,100 |
Entergy Mississippi [Member] |  |
Letters of Credit Outstanding, Amount | $ 100 | 100
Entergy Mississippi [Member] | Credit Facility Of Thirty Seven Point Five Million [Member] |  |
Expiration Date | May 31, 2018 |
Amount of Facility | $ 37,500 |
Interest Rate | 3.39% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | $ 0 |
Entergy Mississippi [Member] | Credit Facility Of Thirty Five Million [Member] |  |
Expiration Date | May 31, 2018 |
Amount of Facility | $ 35,000 |
Interest Rate | 3.39% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | $ 0 |
Entergy Mississippi [Member] | Credit Facility Of Twenty Million [Member] |  |
Expiration Date | May 31, 2018 |
Amount of Facility | $ 20,000 |
Interest Rate | 3.39% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | $ 0 |
Entergy Mississippi [Member] | Credit Facility Of Ten Million [Member] |  |
Expiration Date | May 31, 2018 |
Amount of Facility | $ 10,000 |
Interest Rate | 3.39% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | 0 |
Entergy New Orleans [Member] |  |
Amount of total borrowing capacity against which fronting commitments exist | $ 10,000 |
Entergy New Orleans [Member] | Credit Facility Of Twenty Five Million [Member] |  |
Expiration Date | Nov. 20, 2018 |
Amount of Facility | $ 25,000 |
Interest Rate | 3.36% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | 800 |
Entergy Texas [Member] |  |
Amount of total borrowing capacity against which fronting commitments exist | 30,000 |
Letters of Credit Outstanding, Amount | $ 200 | $ 50
Entergy Texas [Member] | Credit Facility Of One Hundred And Fifty Million [Member] |  |
Expiration Date | Aug. 14, 2022 |
Amount of Facility | $ 150,000 |
Interest Rate | 3.39% |
Amount Drawn/ Outstanding | $ 0 |
Letters of Credit Outstanding, Amount | $ 24,400 |

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- Definition Amount of total borrowing capacity against which fronting commitments exist + 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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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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