Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	400,000	400,000	400,000	400,000
Stock options $/share	$ 0	$ 0	$ (0.01)	$ (0.01)
Restricted stock, Shares	600,000	500,000	400,000	500,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Basic earnings per share
Net Income (Loss) Available to Common Stockholders, Basic	$ 531,003	$ 521,119	$ 859,594	$ 1,000,366
Net Income (Loss) Available to Common Stockholders, Diluted	$ 531,000	$ 521,100	$ 859,600	$ 1,000,400
Net Income Attributable to Entergy Corporation, Shares	200,963,049	200,220,018	200,756,267	200,063,256
Net Income Attributable to Entergy Corporation, $/share	$ 2.64	$ 2.60	$ 4.28	$ 5.00
Diluted earnings per share, Shares	202,003,329	201,115,768	201,568,508	200,957,465
Diluted earnings per share $/share	$ 2.63	$ 2.59	$ 4.26	$ 4.98