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Commercial Paper Amount Outstanding

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Commercial Paper program limit

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Consolidated debt ratio.

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No definition available.

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Consolidated debt ratio of capitalization.

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Issuance of debt

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No definition available.

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- Definition

Issuance Of Letters Of Credit Percentage Of Total Borrowing Capacity

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No definition available.

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Issuance of letters of credit, limit of total borrowing capacity

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No definition available.

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- Definition

Line of credit facility commitment fee as a percentage of undrawn commitment amount

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No definition available.

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Redemption of debt instrument

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No definition available.

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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.

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No definition available.

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The effective interest rate during the reporting period for the uncommitted credit facility.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average interest rate of debt outstanding.

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No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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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
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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The effective interest rate during the reporting period.

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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.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended				9 Months Ended
	Oct. 31, 2017	Jul. 31, 2017	May 31, 2017	Feb. 28, 2017	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Amount of Facility					$ 3,500,000
Issuance of letters of credit, percentage of total borrowing capacity					50.00%
Letters of Credit Outstanding, Amount					$ 28,000
Line of credit facility, commitment fee percentage					0.225%
Amount Drawn/ Outstanding					$ 150,000
Commercial Paper program limit					1,500,000
Commercial Paper Amount Outstanding					$ 1,300,000
Commercial Paper Program [Member]
Debt Instrument [Line Items]
Debt, weighted average interest rate					1.45%
Credit Facility [Member]
Debt Instrument [Line Items]
Debt, weighted average interest rate					2.50%
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Short-term borrowings					$ 8,257	$ 0
Authorized Short Term Borrowings					$ 250,000
Issuance of letters of credit, percentage of total borrowing capacity					50.00%
Letters of Credit Outstanding, Amount					$ 200	300
Entergy Arkansas [Member] \| Three Point Five Percent Series First Mortgage Bonds Due April Two Thousand Twenty Six [Member]
Debt Instrument [Line Items]
Issuance Of Debt			$ 220,000
Debt instrument, interest rate, stated percentage			3.50%
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Short-term borrowings					40,555	3,794
Authorized Short Term Borrowings					$ 450,000
Issuance of letters of credit, percentage of total borrowing capacity					50.00%
Redemption of debt instrument			$ 45,300
Entergy Louisiana [Member] \| 3.12% collateral trust mortgage bonds due September 2027 [Domain]
Debt Instrument [Line Items]
Issuance Of Debt			$ 450,000
Debt instrument, interest rate, stated percentage			3.12%
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings					$ 175,000
Letters of Credit Outstanding, Amount					100	100
Entergy Texas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings					$ 200,000
Issuance of letters of credit, percentage of total borrowing capacity					50.00%
System Energy [Member]
Debt Instrument [Line Items]
Short-term borrowings					$ 31,751	$ 66,893
Authorized Short Term Borrowings					200,000
Entergy Nuclear Vermont Yankee [Member]
Debt Instrument [Line Items]
Amount of Facility					$ 100,000
Line of credit facility, commitment fee percentage					0.20%
Amount Drawn/ Outstanding					$ 80,000
Line of Credit Facility, Interest Rate During Period					2.56%
Uncommitted Credit Facility					$ 85,000
Uncommitted Line of Credit Facility Interest Rate During Period					2.73%
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings					$ 100,000
Issuance of letters of credit, limit of total borrowing capacity					10,000
System Energy VIE [Member]
Debt Instrument [Line Items]
Short-term borrowings					31,800
Amount Drawn/ Outstanding					$ 81,800
Line of credit facility commitment fee as a percentage of undrawn commitment amount					0.10%
System Energy VIE [Member] \| Three Point Seven Eight Percent Series I Notes Due October Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					3.78%
System Energy VIE [Member] \| Four Point Zero Two Percent Series H Notes [Domain]
Debt Instrument [Line Items]
Redemption of debt instrument				$ 50,000
Debt instrument, interest rate, stated percentage				4.02%
Entergy Arkansas VIE [Member]
Debt Instrument [Line Items]
Short-term borrowings					$ 8,300
Amount Drawn/ Outstanding					$ 23,300
Line of credit facility commitment fee as a percentage of undrawn commitment amount					0.10%
Entergy Arkansas VIE [Member] \| Three Point Six Five Percent Series L Notes Due July Two Thousand Twenty One [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					3.65%
Entergy Louisiana Waterford VIE [Member]
Debt Instrument [Line Items]
Short-term borrowings					$ 40,600
Amount Drawn/ Outstanding					$ 76,900
Line of credit facility commitment fee as a percentage of undrawn commitment amount					0.10%
Entergy Louisiana Waterford VIE [Member] \| Three Point Nine Two Percent Series H Dues February Two Thousand Twenty One [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					3.92%
Entergy Louisiana Waterford VIE [Member] \| 3.25% Series G notes [Domain]
Debt Instrument [Line Items]
Redemption of debt instrument		$ 25,000
Debt instrument, interest rate, stated percentage		3.25%
Entergy Louisiana River Bend VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding					$ 78,800
Line of credit facility commitment fee as a percentage of undrawn commitment amount					0.10%
Entergy Louisiana River Bend VIE [Member] \| 3.25% Series Q notes [Domain]
Debt Instrument [Line Items]
Redemption of debt instrument		$ 75,000
Debt instrument, interest rate, stated percentage		3.25%
Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage					0.275%
Consolidated debt ratio					65.00%
Maximum [Member] \| Entergy Arkansas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio					65.00%
Consolidated debt ratio of total capitalization					70.00%
Maximum [Member] \| Entergy Louisiana [Member]
Debt Instrument [Line Items]
Consolidated debt ratio					65.00%
Consolidated debt ratio of total capitalization					70.00%
Maximum [Member] \| Entergy Mississippi [Member]
Debt Instrument [Line Items]
Consolidated debt ratio					65.00%
Maximum [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio					65.00%
Maximum [Member] \| System Energy [Member]
Debt Instrument [Line Items]
Consolidated debt ratio of total capitalization					70.00%
Maximum [Member] \| Entergy New Orleans [Member]
Debt Instrument [Line Items]
Consolidated debt ratio					65.00%
Minimum [Member]
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage					0.075%
Credit Facility Of One Hundred And Fifty Million [Member] \| Entergy Arkansas [Member]
Debt Instrument [Line Items]
Amount of Facility					$ 150,000
Letters of Credit Outstanding, Amount					0
Amount Drawn/ Outstanding					$ 0
Line of Credit Facility, Interest Rate During Period					2.49%
Credit Facility Of One Hundred And Fifty Million [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Amount of Facility					$ 150,000
Letters of Credit Outstanding, Amount					24,400
Amount Drawn/ Outstanding					$ 0
Line of Credit Facility, Interest Rate During Period					2.74%
Subsequent Event [Member] \| Entergy Arkansas [Member] \| 1.55% Pollution Control Revenue Refunding Bonds [Domain]
Debt Instrument [Line Items]
Redemption of debt instrument	$ 54,700
Debt instrument, interest rate, stated percentage	1.55%