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Property, Plant, And Equipment (Narrative) (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Construction expenditures in accounts payable | $ 146,600,000 | $ 166,000,000
Economic transition payments | 4,108,256,000 | 3,933,416,000
Entergy Arkansas [Member] |  |
Construction expenditures in accounts payable | 54,000,000 | 61,900,000
Economic transition payments | 794,294,000 | 723,771,000
Entergy Gulf States Louisiana [Member] |  |
Construction expenditures in accounts payable | 24,200,000 | 13,100,000
Economic transition payments | 414,700,000 | 403,084,000
Entergy Louisiana [Member] |  |
Construction expenditures in accounts payable | 19,400,000 | 31,100,000
Economic transition payments | 491,255,000 | 479,086,000
Entergy Mississippi [Member] |  |
Construction expenditures in accounts payable | 700,000 | 2,800,000
Economic transition payments | 6,591,000 | 6,401,000
Entergy New Orleans [Member] |  |
Construction expenditures in accounts payable | 300,000 | 1,700,000
Economic transition payments | 2,427,000 | 2,347,000
Entergy Texas [Member] |  |
Construction expenditures in accounts payable | 7,400,000 | 10,900,000
Economic transition payments | 4,477,000 | 4,349,000
System Energy [Member] |  |
Construction expenditures in accounts payable | 10,400,000 | 6,700,000
Economic transition payments | 636,717,000 | 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

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- Definition Asset Retirement Obligations, Noncurrent, Economic Transitional Payments + References No definition available. + Details
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- Definition Restoration Liability + References No definition available. + Details
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- 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
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- 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
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