Rate And Regulatory Matters (Narrative) (Details) (USD $)	20 Months Ended	1 Months Ended						3 Months Ended	12 Months Ended
	May 02, 2003	Jan. 31, 2014 Entergy Louisiana [Member]	Mar. 31, 2013 Entergy Louisiana [Member]	Apr. 30, 2014 Entergy Gulf States Louisiana [Member] Subsequent Event [Member]	Aug. 31, 2012 Entergy New Orleans [Member]	Jan. 31, 2014 Entergy Texas [Member]	Sep. 30, 2013 Entergy Texas [Member]	Mar. 31, 2014 Entergy Texas [Member]	Sep. 30, 2013 Natural Gas Processing Plant [Member] Entergy Gulf States Louisiana [Member]
Commitments and Contingencies [Abstract]
Public Utilities Earned Return On Common Equity		8.13%	10.40%			9.20%	10.40%	9.80%	5.47%
Rate Increase		$ 5,560,000	$ 13,000,000	$ 1,500,000			$ 38,600,000	$ 18,500,000	$ 1,500,000
Rate Increase Period		3 years	3 years
Rate Case Filing Request To Reconcile Fuel and Purchased Power Costs and Fuel Revenues							900,000,000
Rate Case Filing Request Special Circumstances Fuel Cost Recovery Of Purchased Power Costs							22,000,000
Storm restoration costs incurred - Hurricane Isaac					47,300,000
Rate reduction						300,000
Period of prohibited refunds	20 months
Storm reserve withdrawal					$ 17,400,000