Rate And Regulatory Matters (Fuel And Purchased Power Cost Recovery) (Details) (USD $)																													12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Entergy Arkansas [Member]	Dec. 31, 2012 Entergy Arkansas [Member]	Dec. 31, 2013 Entergy Gulf States Louisiana [Member]		Dec. 31, 2012 Entergy Gulf States Louisiana [Member]		Dec. 31, 2013 Entergy Louisiana [Member]		Dec. 31, 2012 Entergy Louisiana [Member]		Dec. 31, 2013 Entergy Mississippi [Member]	Dec. 31, 2012 Entergy Mississippi [Member]	Dec. 31, 2013 Entergy New Orleans [Member]		Dec. 31, 2012 Entergy New Orleans [Member]		Dec. 31, 2013 Entergy Texas [Member]	Dec. 31, 2012 Entergy Texas [Member]	Dec. 31, 2013 Gas Hedging [Member]	Dec. 31, 2012 Gas Hedging [Member]	Dec. 31, 2013 Gas Hedging [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Gas Hedging [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Gas Hedging [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Gas Hedging [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Gas Hedging [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Gas Hedging [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Minimum [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Minimum [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Minimum [Member] Entergy New Orleans [Member]
Deferred fuel costs			$ 68,700,000	$ 97,300,000	$ 109,700,000	[1]	$ 99,200,000	[1]	$ 37,600,000	[1]	$ 94,600,000	[1]	$ 38,100,000	$ 26,500,000	$ (19,100,000)	[1]	$ 1,900,000	[1]	$ (4,100,000)	$ (93,300,000)
Other Regulatory Assets	3,893,363,000	5,025,912,000	1,014,392,000	1,221,636,000	321,466,000		409,653,000		715,503,000		913,562,000		318,462,000	401,471,000	137,191,000		202,003,000		919,234,000	1,114,536,000	0	8,300,000	0	2,600,000	0	3,400,000	0	2,200,000
Purchase power and capacity cost					$ 100,124,000		$ 100,124,000		$ 67,998,000		$ 67,998,000				$ 4,080,000		$ 4,080,000
Fuel and purchased power cost recovery period																													12 months	12 months	12 months

[1] 2013 and 2012 include $100.1 million for Entergy Gulf States Louisiana, $68 million for Entergy Louisiana, and $4.1 million for Entergy New Orleans of fuel, purchased power, and capacity costs, which do not currently earn a return on investment and whose recovery periods are indeterminate but are expected to be over a period greater than twelve months.