Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	400,000	700,000	400,000	500,000
Stock options $/share	$ 0	$ (0.01)	$ (0.01)	$ (0.01)
Restricted stock, Shares	500,000	900,000	500,000	700,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.02)
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements			0	600,000
Average Dilutive Effect Of Equity Forwards			$ 0	$ (0.01)
Basic earnings per share
Net Income (Loss) Available to Common Stockholders, Basic	$ 521,119	$ 365,240	$ 1,000,366	$ 856,201
Net Income (Loss) Available to Common Stockholders, Diluted	$ 521,100	$ 365,200	$ 1,000,400	$ 856,200
Net Income Attributable to Entergy Corporation, Shares	200,220,018	198,932,387	200,063,256	193,876,557
Net Income Attributable to Entergy Corporation, $/share	$ 2.60	$ 1.84	$ 5.00	$ 4.42
Diluted earnings per share, Shares	201,115,768	200,492,935	200,957,465	195,685,851
Diluted earnings per share $/share	$ 2.59	$ 1.82	$ 4.98	$ 4.38