Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 5,075	$ 2,383	$ 10,153	$ 4,767
Amortization of loss	(8,970)	(18,047)	(17,951)	(36,095)
Settlement loss	(1,386)		(2,548)
Total	(5,281)	(15,664)	(10,346)	(31,328)
Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	559	205	1,118	411
Amortization of loss	(781)	(1,945)	(1,563)	(3,892)
Total	(222)	(1,740)	(445)	(3,481)
Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	845	62	1,689	124
Amortization of loss	(378)	(1,287)	(756)	(2,574)
Total	467	(1,225)	933	(2,450)
Pension Plans Defined Benefit [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(389)	(503)	(778)	(1,005)
Amortization of loss	(6,734)	(11,845)	(13,468)	(23,690)
Settlement loss	0		0
Total	(7,123)	(12,348)	(14,246)	(24,695)
Pension Plans Defined Benefit [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	(1)	0	(1)
Amortization of loss	(477)	(771)	(955)	(1,542)
Total	(477)	(772)	(955)	(1,543)
Pension Plans Defined Benefit [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	0	0	0	0
Total	0	0	0	0
Other Postretirement [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	5,570	3,007	11,141	6,014
Amortization of loss	(1,673)	(5,485)	(3,346)	(10,971)
Settlement loss	0		0
Total	3,897	(2,478)	7,795	(4,957)
Other Postretirement [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	559	206	1,118	412
Amortization of loss	(303)	(1,172)	(606)	(2,346)
Total	256	(966)	512	(1,934)
Other Postretirement [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	845	62	1,689	124
Amortization of loss	(378)	(1,287)	(756)	(2,574)
Total	467	(1,225)	933	(2,450)
Non-Qualified Pension Plans [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(106)	(121)	(210)	(242)
Amortization of loss	(563)	(717)	(1,137)	(1,434)
Settlement loss	(1,386)		(2,548)
Total	(2,055)	(838)	(3,895)	(1,676)
Non-Qualified Pension Plans [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	(1)	(2)	(2)	(4)
Total	(1)	(2)	(2)	(4)
Non-Qualified Pension Plans [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	0	0	0	0
Total	$ 0	$ 0	$ 0	$ 0