Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 5,078	$ 2,384
Amortization of loss	(8,981)	(18,048)
Settlement loss	(1,162)
Total	(5,065)	(15,664)
Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	559	206
Amortization of loss	(782)	(1,947)
Total	(223)	(1,741)
Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	844	62
Amortization of loss	(378)	(1,287)
Total	466	(1,225)
Pension Plans Defined Benefit [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(389)	(502)
Amortization of loss	(6,734)	(11,845)
Settlement loss	0
Total	(7,123)	(12,347)
Pension Plans Defined Benefit [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	(478)	(771)
Total	(478)	(771)
Pension Plans Defined Benefit [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	0	0
Total	0	0
Other Postretirement [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	5,571	3,007
Amortization of loss	(1,673)	(5,486)
Settlement loss	0
Total	3,898	(2,479)
Other Postretirement [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	559	206
Amortization of loss	(303)	(1,174)
Total	256	(968)
Other Postretirement [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	844	62
Amortization of loss	(378)	(1,287)
Total	466	(1,225)
Non-Qualified Pension Plans [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(104)	(121)
Amortization of loss	(574)	(717)
Settlement loss	(1,162)
Total	(1,840)	(838)
Non-Qualified Pension Plans [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	(1)	(2)
Total	(1)	(2)
Non-Qualified Pension Plans [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	0	0
Total	$ 0	$ 0