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Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Parent Company [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | $ 7,355 | $ 5,986
Amortization of loss | (15,175) | (17,588)
Total | (7,820) | (11,602)
Entergy Louisiana [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | 1,947 | 1,867
Amortization of loss | (1,569) | (2,535)
Total | 378 | (668)
Pension Plans Defined Benefit [Member] | Parent Company [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | (270) | (389)
Amortization of loss | (12,482) | (12,627)
Total | (12,752) | (13,016)
Pension Plans Defined Benefit [Member] | Entergy Louisiana [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | 0 | 0
Amortization of loss | (836) | (751)
Total | (836) | (751)
Other Postretirement [Member] | Parent Company [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | 7,738 | 6,482
Amortization of loss | (2,063) | (4,409)
Total | 5,675 | 2,073
Other Postretirement [Member] | Entergy Louisiana [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | 1,947 | 1,867
Amortization of loss | (731) | (1,779)
Total | 1,216 | 88
Non-Qualified Pension Plans [Member] | Parent Company [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | (113) | (107)
Amortization of loss | (630) | (552)
Total | (743) | (659)
Non-Qualified Pension Plans [Member] | Entergy Louisiana [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Amortization of prior service cost | 0 | 0
Amortization of loss | (2) | (5)
Total | $ (2) | $ (5)

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- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, pre tax and including amounts capitalized. + References No definition available. + Details
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- Definition Pension and Other Postretirement Costs, Reclassification Out Of Accumulated Other Comprehensive Income, Before Tax + References No definition available. + Details
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