Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Securitization property	$ 212,163	$ 239,219
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	270,035,180	270,035,180
Treasury stock, shares	69,874,430	70,886,400
Long-term Transition Bond, Noncurrent	$ 271,391	$ 297,981
Entergy Arkansas [Member]
Securitization property	0	1,706
Long-term Transition Bond, Noncurrent	6,849	6,772
Entergy Louisiana [Member]
Securitization property	22,545	27,596
Long-term Transition Bond, Noncurrent	33,286	33,220
Entergy New Orleans [Member]
Securitization property	46,980	49,542
Long-term Transition Bond, Noncurrent	52,702	52,641
Entergy Texas [Member]
Securitization property	$ 143,883	$ 160,375
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
Long-term Transition Bond, Noncurrent	$ 178,555	$ 205,349
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