Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Pension Plans Defined Benefit [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax	$ (466)	$ (1,472)
Amortization of Gains (Losses), Pre Tax	(11,050)	(34,740)
Recognized Net Gain (Loss) Due To Curtailments, Pre Tax	(1,304)	(1,304)
Pension Plans Defined Benefit [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax		(1)
Amortization of Gains (Losses), Pre Tax	(772)	(2,314)
Other Postretirement [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax	3,007	9,022
Amortization of Gains (Losses), Pre Tax	(5,485)	(16,455)
Other Postretirement [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax	206	618
Amortization of Gains (Losses), Pre Tax	(1,173)	(3,520)
Other Postretirement [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax	62	186
Amortization of Gains (Losses), Pre Tax	(1,288)	(3,862)
Non-Qualified Pension Plans [Member] | Parent Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Prior Service Cost (Credit), Pre Tax	(127)	(375)
Amortization of Gains (Losses), Pre Tax	(644)	(2,073)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(9,662)	(9,662)
Non-Qualified Pension Plans [Member] | Entergy Gulf States Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Gains (Losses), Pre Tax	$ (2)	$ (5)