Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 388,170	$ (723,027)	$ 1,185,449	$ (276,135)
Net Income Attributable to Entergy Corporation, Shares	179,023,351	179,151,832	178,804,148	179,442,172
Net Income Attributable to Entergy Corporation, $/share	$ 2.17	$ (4.04)	$ 6.63	$ (1.54)
Average dilutive effect of:
Stock options, Shares	300,000	0	200,000	0
Stock options $/share	$ 0.00	$ 0.00	$ (0.01)	$ 0.00
Restricted stock, Shares	700,000	0	500,000	0
Restricted stock $/share	$ (0.01)	$ 0.00	$ (0.02)	$ 0.00
Diluted earnings per share, Shares	179,990,888	179,151,832	179,490,060	179,442,172
Diluted earnings per share $/share	$ 2.16	$ (4.04)	$ 6.60	$ (1.54)