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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Book Value And The Fair Value Of Long-Term Debt) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Long-term Debt, Fair Value | $ 16,771,585 | $ 15,367,453
Long-term Debt, Book Value | 16,851,636 | 15,075,266
Entergy Arkansas [Member] |  |
Long-term Debt, Fair Value | 2,812,019 | 2,865,844
Long-term Debt, Book Value | 2,978,569 | 2,952,399
Long term DOE obligations | 184,000 | 183,000
Entergy Louisiana [Member] |  |
Long-term Debt, Fair Value | 7,022,323 | 6,389,774
Long-term Debt, Book Value | 6,938,439 | 6,144,071
Entergy Mississippi [Member] |  |
Long-term Debt, Fair Value | 1,252,877 | 1,285,741
Long-term Debt, Book Value | 1,270,399 | 1,270,122
Entergy New Orleans [Member] |  |
Long-term Debt, Fair Value | 446,981 | 455,968
Long-term Debt, Book Value | 436,995 | 436,870
Entergy Texas [Member] |  |
Long-term Debt, Fair Value | 1,603,892 | 1,661,902
Long-term Debt, Book Value | 1,562,555 | 1,587,150
System Energy [Member] |  |
Long-term Debt, Fair Value | 576,121 | 529,119
Long-term Debt, Book Value | 601,582 | 551,488
Capital Lease Obligations | $ 34,000 | $ 34,000

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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