Retirement And Other Postretirement Benefits (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Expected current year pension contributions			$ 396,000
Pension contributions made through Year To Date			164,200
Entergy Arkansas [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Expected current year pension contributions			92,458
Pension contributions made through Year To Date			38,419
Remaining estimated pension contributions to be made in current year	$ 54,039		54,039
Entergy Texas [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Expected current year pension contributions			17,167
Pension contributions made through Year To Date			7,042
Remaining estimated pension contributions to be made in current year	10,125		10,125
Non-Qualified Pension Plans [Member] | Parent Company [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Net periodic benefit costs	4,500	$ 9,100	8,900	$ 19,100
Settlement loss		4,800		10,200
Non-Qualified Pension Plans [Member] | Entergy Arkansas [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Net periodic benefit costs	113	119	226	280
Settlement loss		11		62
Non-Qualified Pension Plans [Member] | Entergy Texas [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Net periodic benefit costs	$ 149	$ 119	$ 298	244
Settlement loss				$ 6