Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	200,000	300,000	0
Stock options $/share	$ 0.00	$ 0.00	$ (0.01)	$ (0.01)
Restricted stock, Shares	700,000	700,000	0	500,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.02)
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 398,198	$ 388,170	$ 890,726	$ 1,185,449
Net Income Attributable to Entergy Corporation, Shares	179,563,819	179,023,351	179,458,914	178,804,148
Net Income Attributable to Entergy Corporation, $/share	$ 2.22	$ 2.17	$ 4.96	$ 6.63
Diluted earnings per share, Shares	180,464,069	179,990,888	180,163,074	179,490,060
Diluted earnings per share $/share	$ 2.21	$ 2.16	$ 4.94	$ 6.60