XML 58 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Retirement And Other Postretirement Benefits (Expected Employer Contributions) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014
Change in Plan Assets |
Pension contributions made through Year To Date | $ 58,300
Entergy Arkansas [Member] |
Change in Plan Assets |
Expected current year pension contributions | 93,999
Pension contributions made through Year To Date | 13,653
Remaining estimated pension contributions to be made in current year | 80,346
Entergy Gulf States Louisiana [Member] |
Change in Plan Assets |
Expected current year pension contributions | 31,119
Pension contributions made through Year To Date | 4,418
Remaining estimated pension contributions to be made in current year | 26,701
Entergy Louisiana [Member] |
Change in Plan Assets |
Expected current year pension contributions | 53,047
Pension contributions made through Year To Date | 7,808
Remaining estimated pension contributions to be made in current year | 45,239
Entergy Mississippi [Member] |
Change in Plan Assets |
Expected current year pension contributions | 21,540
Pension contributions made through Year To Date | 3,119
Remaining estimated pension contributions to be made in current year | 18,421
Entergy New Orleans [Member] |
Change in Plan Assets |
Expected current year pension contributions | 10,495
Pension contributions made through Year To Date | 1,540
Remaining estimated pension contributions to be made in current year | 8,955
Entergy Texas [Member] |
Change in Plan Assets |
Expected current year pension contributions | 18,302
Pension contributions made through Year To Date | 2,610
Remaining estimated pension contributions to be made in current year | 15,692
System Energy [Member] |
Change in Plan Assets |
Expected current year pension contributions | 21,388
Pension contributions made through Year To Date | 3,130
Remaining estimated pension contributions to be made in current year | $ 18,258

X
- Definition The remaining contributions to be made in current fiscal year. + References No definition available. + Details
Name: | etr_DefinedBenefitPlanRemainingContributionsToBeMadeInCurrentFiscalYear
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration