Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Securitization property	$ 714,044	$ 724,839
Securitization bonds	$ 774,696	$ 776,817
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	254,752,788	254,752,788
Treasury stock, shares	76,363,763	75,512,079
Entergy Arkansas [Member]
Securitization property	$ 54,450	$ 67,877
Securitization bonds	$ 61,249	$ 74,161
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	325,000,000	325,000,000
Common stock, shares issued	46,980,196	46,980,196
Common stock, shares outstanding	46,980,196	46,980,196
Entergy Louisiana [Member]
Securitization property	$ 114,701	$ 135,538
Securitization bonds	$ 120,549	$ 140,782
Entergy Mississippi [Member]
Common stock, shares authorized	12,000,000	12,000,000
Common stock, shares issued	8,666,357	8,666,357
Common stock, shares outstanding	8,666,357	8,666,357
Entergy New Orleans [Member]
Securitization property	$ 91,599	$ 0
Securitization bonds	$ 95,867	$ 0
Common stock, par value	$ 4	$ 4
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	8,435,900	8,435,900
Common stock, shares outstanding	8,435,900	8,435,900
Entergy Texas [Member]
Securitization property	$ 453,317	$ 521,424
Securitization bonds	$ 497,030	$ 561,874
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	46,525,000	46,525,000
Common stock, shares outstanding	46,525,000	46,525,000
System Energy [Member]
Common stock, shares authorized	1,000,000	1,000,000
Common stock, shares issued	789,350	789,350
Common stock, shares outstanding	789,350	789,350