Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	500,000	300,000	500,000	300,000
Stock options $/share	$ 0	$ 0	$ (0.01)	$ 0
Restricted stock, Shares	700,000	700,000	600,000	500,000
Restricted stock $/share	$ 0	$ (0.01)	$ (0.01)	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements	0	1,200,000	800,000	600,000
Average Dilutive Effect Of Equity Forwards	$ 0	$ (0.01)	$ (0.01)	$ (0.01)
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 236,424	$ 245,421	$ 490,961	$ 378,181
Net Income (Loss) Available to Common Stockholders, Diluted	$ 236,400	$ 245,400	$ 491,000	$ 378,200
Net Income Attributable to Entergy Corporation, Shares	193,019,269	180,823,203	191,306,742	180,765,708
Net Income Attributable to Entergy Corporation, $/share	$ 1.22	$ 1.36	$ 2.57	$ 2.09
Diluted earnings per share, Shares	194,238,315	182,982,630	193,243,287	182,208,328
Diluted earnings per share $/share	$ 1.22	$ 1.34	$ 2.54	$ 2.08