Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	400,000	700,000
Stock options $/share	$ (0.01)	$ 0
Restricted stock, Shares	200,000	400,000
Restricted stock $/share	$ 0	$ 0
Basic earnings per share
Net Income (Loss) Available to Common Stockholders, Basic	$ 334,565	$ 118,714
Net Income (Loss) Available to Common Stockholders, Diluted	$ 334,600	$ 118,700
Net Income Attributable to Entergy Corporation, Shares	200,525,549	199,790,016
Net Income Attributable to Entergy Corporation, $/share	$ 1.67	$ 0.59
Diluted earnings per share, Shares	201,059,665	200,901,349
Diluted earnings per share $/share	$ 1.66	$ 0.59