XML 118 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Narrative) (Details) (USD $) | 3 Months Ended |  | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2014 Commercial Paper Program [Member] | Mar. 31, 2014 Credit Facility [Member] | Mar. 31, 2014 Entergy Arkansas [Member] | Mar. 31, 2014 Entergy Arkansas [Member] Term Loan [Member] | Mar. 31, 2014 Entergy Arkansas [Member] Three Point Seven Zero Percent Series First Mortgage Bonds Due June Two Thousand Twenty Four [Member] | Mar. 31, 2014 Entergy Gulf States Louisiana [Member] | Mar. 31, 2014 Entergy Louisiana [Member] | Mar. 31, 2014 Entergy Mississippi [Member] | Mar. 31, 2014 Entergy Mississippi [Member] Three Point Seven Five Percent Series First Mortgage Bonds Due July Two Thousand Twenty Four [Member] | Mar. 31, 2014 Entergy Texas [Member] | Mar. 31, 2014 System Energy [Member] | Mar. 31, 2014 Entergy New Orleans [Member] | Mar. 31, 2014 Maximum [Member] | Mar. 31, 2014 Minimum [Member] | Mar. 31, 2014 Credit Facility Of One Hundred And Fifty Million [Member] Entergy Arkansas [Member] | Mar. 31, 2014 Credit Facility Of One Hundred And Fifty Million [Member] Entergy Gulf States Louisiana [Member] | Mar. 31, 2014 Credit Facility Of One Hundred And Fifty Million [Member] Entergy Texas [Member] | Apr. 30, 2014 Subsequent Event [Member] Entergy Arkansas [Member] Five Point Zero Percent Series First Mortgage Bonds Due July Two Thousand Eighteen [Member] | Apr. 30, 2014 Subsequent Event [Member] Entergy Mississippi [Member] Four Point Nine Five Percent Series First Mortgage Bonds Due June Two Thousand Eighteen [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of Facility | $ 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000,000 | [1] | $ 150,000,000 | [2] | $ 150,000,000 | [3] |  |
Issuance of letters of credit, percentage of total borrowing capacity | 50.00% |  |  | 50.00% |  |  | 50.00% | 50.00% |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  | 26,000,000 | 23,000,000 |  |  | 36,300,000 |  | 8,500,000 |  |  | 1,000,000 |  |  |  |  |  |  |
Line of credit facility, commitment fee percentage | 0.275% |  |  |  |  |  |  |  | 1.50% |  |  |  | 1.50% | 0.275% | 0.125% |  |  |  |  |  |  |  |
Debt, weighted average interest rate |  | 0.91% | 1.93% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated debt ratio |  |  |  | 65.00% |  |  | 65.00% | 65.00% | 65.00% |  | 65.00% |  | 65.00% | 65.00% |  |  |  |  |  |  |  |  |
Commercial Paper program limit | 1,500,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper Amount Outstanding | 1,059,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility commitment fee as a percentage of undrawn commitment amount |  |  |  | 0.125% |  |  | 0.10% | 0.10% |  |  |  | 0.125% |  |  |  |  |  |  |  |  |  |  |
Issuance Of Debt |  |  |  |  |  | 375,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  |  |  |  | 250,000,000 |  |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  | 115,000,000 | 95,000,000
Debt instrument, interest rate, stated percentage |  |  |  |  |  | 3.70% |  |  |  | 3.75% |  |  |  |  |  |  |  |  |  |  |  | 5.00% | 4.95%
Consolidated debt ratio of total capitalization |  |  |  | 70.00% |  |  | 70.00% | 70.00% |  |  |  | 70.00% |  |  |  |  |  |  |  |  |  |  |
Amount Drawn/ Outstanding | $ 115,000,000 |  |  |  |  |  |  |  | $ 25,000,000 |  |  |  |  |  |  | $ 0 |  | $ 0 |  | $ 0 |  |  |
[1] | The credit facility allows Entergy Arkansas to issue letters of credit against 50% of the borrowing capacity of the facility. As of March 31, 2014, $1 million in letters of credit were outstanding.
[2] | The credit facility allows Entergy Gulf States Louisiana to issue letters of credit against 50% of the borrowing capacity of the facility. As of March 31, 2014, $26 million in letters of credit were outstanding.
[3] | The credit facility allows Entergy Texas to issue letters of credit against 50% of the borrowing capacity of the facility. As of March 31, 2014, $36.3 million in letters of credit were outstanding.

X
- Definition Commercial Paper Amount Outstanding + References No definition available. + Details
Name: | etr_CommercialPaperAmountOutstanding
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial Paper program limit + References No definition available. + Details
Name: | etr_CommercialPaperProgramLimit
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consolidated debt ratio. + References No definition available. + Details
Name: | etr_ConsolidatedDebtRatio
Namespace Prefix: | etr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Consolidated debt ratio of capitalization. + References No definition available. + Details
Name: | etr_ConsolidatedDebtRatioOfCapitalization
Namespace Prefix: | etr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issuance of debt + References No definition available. + Details
Name: | etr_IssuanceOfDebt
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Issuance Of Letters Of Credit Percentage Of Total Borrowing Capacity + References No definition available. + Details
Name: | etr_IssuanceOfLettersOfCreditPercentageOfTotalBorrowingCapacity
Namespace Prefix: | etr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of credit facility commitment fee as a percentage of undrawn commitment amount + References No definition available. + Details
Name: | etr_LineOfCreditFacilityCommitmentFeeAsPercentageOfUndrawnCommitmentAmount
Namespace Prefix: | etr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
Name: | us-gaap_RepaymentsOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration