Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Projected Benefit Obligations) (Details) - Non-Qualified Pension Plans [Member] - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Projected Benefit Obligation	$ 147,000	$ 162,300
Accumulated pension benefit obligation	131,900	144,700
Entergy Arkansas [Member]
Projected Benefit Obligation	2,752	4,221
Accumulated pension benefit obligation	2,519	3,825
Entergy Louisiana [Member]
Projected Benefit Obligation	1,881	2,061
Accumulated pension benefit obligation	1,881	2,061
Entergy Mississippi [Member]
Projected Benefit Obligation	2,732	2,737
Accumulated pension benefit obligation	2,427	2,250
Entergy New Orleans [Member]
Projected Benefit Obligation	206	583
Accumulated pension benefit obligation	206	519
Entergy Texas [Member]
Projected Benefit Obligation	7,952	8,913
Accumulated pension benefit obligation	$ 7,724	$ 8,602