Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	0	200,000	0	0
Stock options $/share	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Restricted stock, Shares	0	500,000	0	400,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 409,922	$ 567,314	$ 492,528	$ 797,280
Net Income Attributable to Entergy Corporation, Shares	179,475,346	178,808,149	179,405,592	178,693,342
Net Income Attributable to Entergy Corporation, $/share	$ 2.28	$ 3.17	$ 2.75	$ 4.46
Diluted earnings per share, Shares	180,234,694	179,503,582	180,032,233	179,233,209
Diluted earnings per share $/share	$ 2.27	$ 3.16	$ 2.74	$ 4.45