XML 84 R65.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Property, Plant, And Equipment (Narrative) (Details) (USD $) | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Construction expenditures in accounts payable | $ 149,500,000 | $ 166,000,000
Economic transition payments | 4,040,099,000 | 3,933,416,000
Entergy Arkansas [Member] |  |
Construction expenditures in accounts payable | 40,100,000 | 61,900,000
Economic transition payments | 778,512,000 | 723,771,000
Entergy Gulf States Louisiana [Member] |  |
Construction expenditures in accounts payable | 19,900,000 | 13,100,000
Economic transition payments | 408,851,000 | 403,084,000
Entergy Louisiana [Member] |  |
Construction expenditures in accounts payable | 14,500,000 | 31,100,000
Economic transition payments | 485,132,000 | 479,086,000
Entergy Mississippi [Member] |  |
Construction expenditures in accounts payable | 6,100,000 | 2,800,000
Economic transition payments | 6,495,000 | 6,401,000
Entergy New Orleans [Member] |  |
Construction expenditures in accounts payable |  | 1,700,000
Economic transition payments | 2,387,000 | 2,347,000
Entergy Texas [Member] |  |
Construction expenditures in accounts payable | 9,800,000 | 10,900,000
Economic transition payments | 4,412,000 | 4,349,000
System Energy [Member] |  |
Construction expenditures in accounts payable | 15,600,000 | 6,700,000
Economic transition payments | 626,349,000 | 616,157,000
Vermont Yankee [Member] |  |
Clean energy development support |  | 5,000,000
Economic transitional payments |  | 10,000,000
Restoration liability |  | 25,000,000
VERMONT | Vermont Yankee [Member] |  |
Economic transitional payments |  | $ 5,000,000

X
- Definition Asset Retirement Obligation, Noncurrent, Clean Energy Development Support + References No definition available. + Details
Name: | etr_AssetRetirementObligationNoncurrentCleanEnergyDevelopmentSupport
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Asset Retirement Obligations, Noncurrent, Economic Transitional Payments + References No definition available. + Details
Name: | etr_AssetRetirementObligationsNoncurrentEconomicTransitionalPayments
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Restoration Liability + References No definition available. + Details
Name: | etr_RestorationLiability
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_AssetRetirementObligationsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for the acquisition of merchandise, materials, supplies and services pertaining to construction projects such as a housing development or factory expansion not classified as trade payables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
Name: | us-gaap_ConstructionPayableCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant