XML 89 R43.htm IDEA: XBRL DOCUMENT
v3.4.0.3

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) $ in Millions | Mar. 31, 2016 USD ($)
--- | ---
Letters of Credit Outstanding, Amount | $ 0.4
Entergy Mississippi [Member] |
Letters of Credit Outstanding, Amount | 0.4
Credit Facility Of Twenty Five Million [Member] | Entergy Arkansas [Member] |
Uncommitted Credit Facility | $ 25.0
Letter of Credit Fee, Percentage | 0.70%
Letters of Credit Outstanding, Amount | $ 1.0
Credit Facility of Fifty Million [Member] | Entergy Texas [Member] |
Uncommitted Credit Facility | $ 50.0
Letter of Credit Fee, Percentage | 0.70%
Letters of Credit Outstanding, Amount | $ 5.6
Credit Facility of Forty Million [Member] | Entergy Mississippi [Member] |
Uncommitted Credit Facility | $ 40.0
Letter of Credit Fee, Percentage | 0.70%
Letters of Credit Outstanding, Amount | $ 4.4
Credit Facility of Fifteen Million [Member] | Entergy New Orleans [Member] |
Uncommitted Credit Facility | $ 15.0
Letter of Credit Fee, Percentage | 0.75%
Letters of Credit Outstanding, Amount | $ 6.2
Credit Facility Of One Hundred Twenty Five Million [Member] | Entergy Louisiana [Member] |
Uncommitted Credit Facility | $ 125.0
Letter of Credit Fee, Percentage | 0.70%
Letters of Credit Outstanding, Amount | $ 7.0

X
- Definition Letter of Credit Fee, Percentage + References No definition available. + Details
Name: | etr_LetterofCreditFeePercentage
Namespace Prefix: | etr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | etr_UncommittedCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
- Details
Name: | dei_LegalEntityAxis=etr_EntergyMississippiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=etr_CreditFacilityOfTwentyFiveMillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyArkansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=etr_CreditFacilityofFiftyMillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=etr_CreditFacilityofFortyMillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=etr_CreditFacilityofFifteenMillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyNewOrleansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=etr_CreditFacilityOfOneHundredTwentyFiveMillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyLouisianaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |