Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 163,723	$ 365,001	$ 325,123	$ 213,318
Net Income Attributable to Entergy Corporation, Shares	178,196,525	177,166,519	178,112,709	177,015,941
Net Income Attributable to Entergy Corporation, $/share	$ 0.92	$ 2.06	$ 1.83	$ 1.21
Average dilutive effect of:
Stock options, Shares	100,000.0	400,000.0	0.1	0.4
Stock options $/share				$ (0.01)
Restricted stock $/share			$ (0.01)
Restricted stock, Shares	300,000.0		0.3	0.1
Diluted earnings per share, Shares	178,614,383	177,565,351	178,534,201	177,470,486
Diluted earnings per share $/share	$ 0.92	$ 2.06	$ 1.82	$ 1.20