Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	300,000	500,000	500,000	500,000
Stock options $/share	$ 0	$ 0	$ (0.01)	$ (0.01)
Restricted stock, Shares	400,000	700,000	400,000
Restricted stock $/share	$ (0.01)	$ 0	$ 0	$ (0.01)
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements			0	800,000
Average Dilutive Effect Of Equity Forwards			$ 0	$ (0.01)
Basic earnings per share
Net Income (Loss) Available to Common Stockholders, Basic	$ 360,533	$ 236,424	$ 479,247	$ 490,961
Net Income (Loss) Available to Common Stockholders, Diluted	$ 360,500	$ 236,400	$ 479,200	$ 491,000
Net Income Attributable to Entergy Corporation, Shares	200,178,010	193,019,269	199,984,013	191,306,742
Net Income Attributable to Entergy Corporation, $/share	$ 1.80	$ 1.22	$ 2.40	$ 2.57
Diluted earnings per share, Shares	200,886,749	194,238,315	200,891,134	193,243,287
Diluted earnings per share $/share	$ 1.79	$ 1.22	$ 2.39	$ 2.54