Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Securitization property	$ 147,813	$ 239,219
Securitization bonds	$ 209,177	$ 297,981
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	69,803,566	70,886,400
Entergy Arkansas [Member]
Securitization property	$ 0	$ 1,706
Securitization bonds	0	6,772
Entergy Louisiana [Member]
Securitization property	10,498	27,596
Securitization bonds	22,676	33,220
Entergy New Orleans [Member]
Securitization property	38,969	49,542
Securitization bonds	47,207	52,641
Entergy Texas [Member]
Securitization property	98,347	160,375
Securitization bonds	$ 139,295	$ 205,349
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