Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	700,000	400,000	500,000	300,000
Stock options $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Restricted stock, Shares	900,000	800,000	700,000	700,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.01)
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements	0	1,500,000	600,000	900,000
Average Dilutive Effect Of Equity Forwards	$ 0	$ (0.02)	$ (0.01)	$ (0.03)
Basic earnings per share
Net Income (Loss) Available to Common Stockholders, Basic	$ 365,240	$ 536,379	$ 856,201	$ 914,560
Net Income (Loss) Available to Common Stockholders, Diluted	$ 365,200	$ 536,400	$ 856,200	$ 914,600
Net Income Attributable to Entergy Corporation, Shares	198,932,387	181,002,303	193,876,557	180,845,440
Net Income Attributable to Entergy Corporation, $/share	$ 1.84	$ 2.96	$ 4.42	$ 5.06
Diluted earnings per share, Shares	200,492,935	183,664,583	195,685,851	182,692,325
Diluted earnings per share $/share	$ 1.82	$ 2.92	$ 4.38	$ 5.01