Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Projected Benefit Obligations) (Details) (Non-Qualified Pension Plans [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Projected Benefit Obligation	$ 151,800	$ 154,300
Entergy Arkansas [Member]
Projected Benefit Obligation	4,495	4,162
Entergy Gulf States Louisiana [Member]
Projected Benefit Obligation	2,693	2,511
Entergy Louisiana [Member]
Projected Benefit Obligation	158	50
Entergy Mississippi [Member]
Projected Benefit Obligation	2,128	1,752
Entergy New Orleans [Member]
Projected Benefit Obligation	476	434
Entergy Texas [Member]
Projected Benefit Obligation	$ 9,567	$ 7,910