Commitments And Contingencies (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Proceeds from insurance	$ 28,226,000	$ 0
Entergy Mississippi [Member]
Commitments and Contingencies Disclosure [Abstract]
Property insurance deductible	20,000,000
Entergy Arkansas [Member]
Commitments and Contingencies Disclosure [Abstract]
Estimated cost to restore ANO to service	95,000,000
Authorized deferred fuel balance retained related to ANO stator incident	65,900,000
Course of construction sublimit	50,000,000
Proceeds from insurance settlement, operating and investing activities	33,000,000
Proceeds from insurance	24,156,000	0
Minimum [Member] | Entergy Mississippi [Member]
Commitments and Contingencies Disclosure [Abstract]
Estimated cost to restore Baxter Wilson to service	45,000,000
Maximum [Member] | Entergy Mississippi [Member]
Commitments and Contingencies Disclosure [Abstract]
Estimated cost to restore Baxter Wilson to service	$ 60,000,000