Consolidated Balance Sheets (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Entergy Arkansas [Member]	Dec. 31, 2013 Entergy Arkansas [Member]	Jun. 30, 2014 Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Entergy Gulf States Louisiana [Member]	Jun. 30, 2014 Entergy Louisiana [Member]	Dec. 31, 2013 Entergy Louisiana [Member]	Jun. 30, 2014 Entergy Mississippi [Member]	Dec. 31, 2013 Entergy Mississippi [Member]	Jun. 30, 2014 Entergy New Orleans [Member]	Dec. 31, 2013 Entergy New Orleans [Member]	Jun. 30, 2014 Entergy Texas [Member]	Dec. 31, 2013 Entergy Texas [Member]	Jun. 30, 2014 System Energy [Member]	Dec. 31, 2013 System Energy [Member]
Cash and cash equivalents:
Cash	$ 148,639,000	$ 129,979,000	$ 31,893,000	$ 4,181,000	$ 16,881,000	$ 1,739,000	$ 405,000	$ 427,000	$ 1,163,000	$ 22,000	$ 1,023,000	$ 317,000	$ 1,499,000	$ 2,432,000	$ 3,519,000	$ 62,561,000
Temporary cash investments	501,429,000	609,147,000	78,000	122,841,000	30,146,000	13,842,000	2,559,000	123,580,000	15,712,000	9,000	15,649,000	33,172,000	10,823,000	44,056,000	84,235,000	64,581,000
Total cash and cash equivalents	650,068,000	739,126,000	31,971,000	127,022,000	47,027,000	15,581,000	2,964,000	124,007,000	16,875,000	31,000	16,672,000	33,489,000	12,322,000	46,488,000	87,754,000	127,142,000
Securitization recovery trust account			4,309,000	3,835,000			3,417,000	4,539,000					31,172,000	37,511,000
Accounts receivable:
Customer	703,524,000	670,641,000	94,612,000	102,328,000	95,180,000	69,648,000	171,995,000	144,836,000	77,220,000	76,534,000	40,252,000	38,872,000	78,395,000	76,957,000
Allowance for doubtful accounts	(33,719,000)	(34,311,000)	(30,011,000)	(30,113,000)	(706,000)	(909,000)	(1,152,000)	(965,000)	(939,000)	(906,000)	(351,000)	(974,000)	(559,000)	(443,000)
Associated companies			36,940,000	68,875,000	144,824,000	107,723,000	67,073,000	87,820,000	27,353,000	13,794,000	32,083,000	32,273,000	107,570,000	76,494,000	91,139,000	104,419,000
Other	191,147,000	195,028,000	114,899,000	94,256,000	25,995,000	22,945,000	13,138,000	21,420,000	7,586,000	9,117,000	1,256,000	2,667,000	10,339,000	10,897,000	3,359,000	6,400,000
Accrued unbilled revenues	371,997,000	340,828,000	100,640,000	82,298,000	63,771,000	58,867,000	98,559,000	93,073,000	48,633,000	44,777,000	16,355,000	18,745,000	44,038,000	43,067,000
Total accounts receivable	1,232,949,000	1,172,186,000	317,080,000	317,644,000	329,064,000	258,274,000	349,613,000	346,184,000	159,853,000	143,316,000	89,595,000	91,583,000	239,783,000	206,972,000	94,498,000	110,819,000
Deferred fuel costs	311,018,000	116,379,000	185,579,000	68,696,000	25,957,000	9,625,000	44,889,000	0	54,594,000	38,057,000
Accumulated deferred income taxes	33,241,000	175,073,000	9,931,000	33,556,000			70,477,000	100,022,000			11,459,000	12,018,000
Fuel inventory - at average cost	176,833,000	208,958,000	21,287,000	41,504,000	24,552,000	26,555,000	19,079,000	23,311,000	44,520,000	48,899,000	1,068,000	2,999,000	56,360,000	55,335,000
Materials and supplies - at average cost	932,982,000	915,006,000	156,471,000	152,429,000	128,168,000	122,909,000	156,664,000	156,487,000	41,397,000	40,849,000	12,027,000	11,696,000	34,359,000	34,068,000	84,172,000	85,118,000
Deferred nuclear refueling outage costs	307,287,000	192,474,000	50,413,000	31,135,000	15,498,000	25,975,000	38,964,000	13,670,000							38,918,000	7,853,000
Gas hedge contracts					1,219,000	2,238,000	1,503,000	2,889,000
Assets Held-in-trust, Current							173,909,000	0
System agreement costs equalization			30,000,000	30,000,000					15,000,000	15,000,000			13,851,000	16,040,000
Prepaid taxes			38,941,000	0	0	22,008,000	217,017,000	184,503,000					0	55,635,000	7,285,000	0
Prepayments and other	600,755,000	410,489,000	32,224,000	58,911,000	57,967,000	12,452,000	38,728,000	15,223,000	19,457,000	4,813,000	19,265,000	4,178,000	59,196,000	34,458,000	6,071,000	1,727,000
TOTAL	4,245,133,000	3,929,691,000	878,206,000	864,732,000	629,452,000	495,617,000	1,117,224,000	970,835,000	351,696,000	290,965,000	150,086,000	155,963,000	447,043,000	486,507,000	318,698,000	332,659,000
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	38,333,000	40,350,000			289,663,000	289,664,000	807,423,000	807,423,000					669,000	687,000
Decommissioning trust funds	5,164,746,000	4,903,144,000	746,183,000	710,913,000	607,557,000	573,744,000	366,586,000	347,274,000							645,225,000	603,896,000
Non-utility property - at cost (less accumulated depreciation)	198,727,000	199,375,000	1,757,000	1,664,000	175,528,000	174,134,000	305,000	396,000	4,656,000	4,670,000	1,016,000	1,016,000	376,000	376,000
Escrow accounts					21,545,000	21,538,000			41,797,000	51,795,000	14,128,000	10,513,000
Other	138,063,000	210,616,000	15,381,000	29,181,000	14,678,000	14,145,000							18,799,000	18,161,000
TOTAL	5,539,869,000	5,353,485,000	763,321,000	741,758,000	1,108,971,000	1,073,225,000	1,174,314,000	1,155,093,000	46,453,000	56,465,000	15,144,000	11,529,000	19,844,000	19,224,000	645,225,000	603,896,000
PROPERTY, PLANT AND EQUIPMENT
Electric	43,569,861,000	42,935,712,000	8,993,203,000	8,798,458,000	7,473,813,000	7,400,689,000	8,912,206,000	8,799,393,000	3,933,368,000	3,875,737,000	922,637,000	889,629,000	3,692,693,000	3,616,061,000	4,137,678,000	4,124,647,000
Property under capital lease	940,688,000	941,299,000	1,014,000	1,064,000			331,895,000	331,895,000	4,769,000	5,329,000					570,872,000	570,872,000
Natural gas	370,658,000	366,365,000			146,824,000	143,902,000					223,834,000	222,463,000
Construction work in progress	1,668,324,000	1,514,857,000	218,157,000	209,036,000	133,745,000	105,314,000	753,557,000	672,883,000	39,163,000	37,316,000	12,757,000	29,312,000	84,539,000	94,743,000	34,128,000	29,061,000
Nuclear fuel	1,532,498,000	1,566,904,000	261,611,000	321,901,000	146,478,000	196,508,000	196,237,000	147,385,000							288,467,000	188,824,000
TOTAL PROPERTY, PLANT AND EQUIPMENT	48,082,029,000	47,325,137,000	9,473,985,000	9,330,459,000	7,900,860,000	7,846,413,000	10,193,895,000	9,951,556,000	3,977,300,000	3,918,382,000	1,159,228,000	1,141,404,000	3,777,232,000	3,710,804,000	5,031,145,000	4,913,404,000
Less - accumulated depreciation and amortization	19,972,785,000	19,443,493,000	4,100,956,000	4,034,880,000	4,128,277,000	4,071,762,000	3,856,970,000	3,763,234,000	1,462,607,000	1,413,484,000	581,801,000	566,948,000	1,423,219,000	1,387,303,000	2,752,375,000	2,699,263,000
PROPERTY, PLANT AND EQUIPMENT - NET	28,109,244,000	27,881,644,000	5,373,029,000	5,295,579,000	3,772,583,000	3,774,651,000	6,336,925,000	6,188,322,000	2,514,693,000	2,504,898,000	577,427,000	574,456,000	2,354,013,000	2,323,501,000	2,278,770,000	2,214,141,000
Regulatory assets:
Regulatory asset for income taxes - net	846,935,000	849,718,000	70,383,000	73,864,000	163,519,000	165,456,000	316,139,000	309,617,000	57,492,000	58,716,000	1,106,000	0	127,338,000	129,069,000	110,958,000	115,492,000
Other regulatory assets	3,870,076,000	3,893,363,000	1,053,272,000	1,014,392,000	318,732,000	321,466,000	711,746,000	715,503,000	322,493,000	318,462,000	133,594,000	137,191,000	878,123,000	919,234,000	261,582,000	261,740,000
Deferred fuel costs	172,202,000	172,202,000			100,124,000	100,124,000	67,998,000	67,998,000			4,080,000	4,080,000
Goodwill	377,172,000	377,172,000
Accumulated deferred income taxes	42,532,000	62,011,000
Long-term receivables - associated companies													26,961,000	27,900,000
Other	947,584,000	887,160,000	49,714,000	44,565,000	13,983,000	12,049,000	46,483,000	43,025,000	21,411,000	20,819,000	6,004,000	5,577,000	15,869,000	16,425,000	15,032,000	15,996,000
TOTAL	6,256,501,000	6,241,626,000	1,173,369,000	1,132,821,000	596,358,000	599,095,000	1,142,366,000	1,136,143,000	401,396,000	397,997,000	144,784,000	146,848,000	1,048,291,000	1,092,628,000	387,572,000	393,228,000
TOTAL ASSETS	44,150,747,000	43,406,446,000	8,187,925,000	8,034,890,000	6,107,364,000	5,942,588,000	9,770,829,000	9,450,393,000	3,314,238,000	3,250,325,000	887,441,000	888,796,000	3,869,191,000	3,921,860,000	3,630,265,000	3,543,924,000
CURRENT LIABILITIES
Currently maturing long-term debt	682,666,000	457,095,000	70,000,000	70,000,000			319,296,000	320,231,000					200,000,000	0	75,160,000	48,653,000
Short-term borrowings			39,657,000	0			26,788,000	2,923,000							65,400,000	0
Notes payable and commercial paper	1,039,349,000	1,046,887,000
Associated companies accounts payable			99,386,000	149,802,000	128,870,000	95,853,000	106,593,000	83,655,000	56,212,000	74,144,000	25,669,000	36,193,000	119,856,000	112,309,000	4,288,000	12,778,000
Accounts payable	1,159,726,000	1,173,313,000
Other			209,573,000	228,160,000	124,724,000	103,314,000	184,569,000	162,507,000	68,120,000	52,129,000	28,707,000	27,840,000	82,910,000	73,682,000	33,895,000	31,862,000
Customer deposits	401,055,000	370,997,000	113,058,000	86,512,000	55,238,000	51,839,000	91,921,000	90,393,000	75,618,000	74,211,000	23,680,000	22,959,000	41,460,000	38,721,000
Taxes accrued	151,776,000	191,093,000	0	9,979,000	1,203,000	0			60,568,000	53,247,000	1,839,000	1,509,000	6,043,000	0	0	11,121,000
Accumulated deferred income taxes	36,098,000	28,307,000	19,444,000	9,231,000	28,541,000	36,330,000	3,835,000	338,000	37,045,000	15,413,000			26,366,000	33,847,000	14,239,000	2,310,000
Interest accrued	182,505,000	180,997,000	19,646,000	22,036,000	24,807,000	25,808,000	39,826,000	42,072,000	21,701,000	20,383,000	3,114,000	3,598,000	30,747,000	31,246,000	17,715,000	11,825,000
Deferred fuel costs	14,545,000	57,631,000					0	30,392,000			6,649,000	23,145,000	7,896,000	4,093,000
Obligations under capital leases	2,413,000	2,323,000
Pension and other postretirement liabilities	51,844,000	67,419,000			9,086,000	9,065,000	10,135,000	10,255,000					743,000	786,000
System agreement cost equalization					15,000,000	15,000,000	17,000,000	17,000,000			14,851,000	17,040,000	12,000,000	12,000,000
Other	406,092,000	484,510,000	37,231,000	55,656,000	48,721,000	19,032,000	37,080,000	19,443,000	21,180,000	19,021,000	10,621,000	4,387,000	35,237,000	23,490,000	2,320,000	2,312,000
TOTAL	4,128,069,000	4,060,572,000	607,995,000	631,376,000	436,190,000	356,241,000	837,043,000	779,209,000	340,444,000	308,548,000	115,130,000	136,671,000	563,258,000	330,174,000	213,017,000	120,861,000
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,986,343,000	8,724,635,000	1,958,604,000	1,906,562,000	1,562,484,000	1,512,547,000	1,355,954,000	1,275,584,000	730,051,000	746,939,000	193,905,000	183,636,000	975,599,000	1,022,955,000	778,662,000	737,973,000
Accumulated deferred investment tax credits	258,419,000	263,765,000	38,333,000	38,958,000	73,786,000	75,295,000	66,059,000	67,347,000	9,222,000	8,530,000	973,000	1,082,000	15,433,000	16,147,000	53,062,000	54,786,000
Regulatory liability for income taxes - net											0	2,495,000
Obligations under capital leases	30,988,000	32,218,000							3,576,000	4,185,000
Other regulatory liabilities	1,385,816,000	1,295,955,000	250,211,000	219,370,000	183,981,000	159,429,000	540,603,000	533,247,000	2,667,000	2,509,000	27,554,000	26,361,000	22,720,000	5,194,000	358,079,000	349,846,000
Decommissioning and asset retirement cost liabilities	4,108,256,000	3,933,416,000	794,294,000	723,771,000	414,700,000	403,084,000	491,255,000	479,086,000	6,591,000	6,401,000	2,427,000	2,347,000	4,477,000	4,349,000	636,717,000	616,157,000
Accumulated provisions	120,015,000	115,139,000	4,978,000	5,746,000	33,811,000	37,146,000	7,806,000	7,733,000	40,582,000	35,674,000	20,805,000	15,000,000	9,154,000	9,079,000
Pension and other postretirement liabilities	2,207,357,000	2,320,704,000	278,029,000	319,211,000	268,164,000	274,315,000	344,242,000	358,017,000	53,926,000	66,722,000	26,164,000	32,497,000	40,304,000	51,253,000	73,481,000	79,411,000
Long-term debt	11,936,105,000	12,139,149,000	2,339,534,000	2,335,802,000	1,512,784,000	1,527,465,000	3,082,920,000	2,899,285,000	1,058,775,000	1,053,670,000	225,902,000	225,944,000	1,307,817,000	1,556,939,000	635,590,000	708,783,000
Long-term payables of associated companies					26,961,000	27,900,000
Gas system rebuild insurance proceeds											28,129,000	32,760,000
Other	622,151,000	583,667,000	25,941,000	18,026,000	128,902,000	108,189,000	80,104,000	75,233,000	15,457,000	15,189,000	6,203,000	3,940,000	51,652,000	38,743,000
TOTAL	29,655,450,000	29,408,648,000	5,689,924,000	5,567,446,000	4,205,573,000	4,125,370,000	5,968,943,000	5,695,532,000	1,920,847,000	1,939,819,000	532,062,000	526,062,000	2,427,156,000	2,704,659,000	2,535,591,000	2,546,956,000
Subsidiaries' preferred stock without sinking fund	210,760,000	210,760,000	116,350,000	116,350,000					50,381,000	50,381,000	19,780,000	19,780,000
Common Shareholders' Equity:
Common stock	2,548,000	2,548,000	470,000	470,000					199,326,000	199,326,000	33,744,000	33,744,000	49,452,000	49,452,000	789,350,000	789,350,000
Paid-in capital	5,358,395,000	5,368,131,000	588,471,000	588,471,000					(690,000)	(690,000)	36,294,000	36,294,000	481,994,000	481,994,000
Retained earnings	10,118,382,000	9,825,053,000	1,184,715,000	1,130,777,000					803,930,000	752,941,000	150,431,000	136,245,000	347,331,000	355,581,000	92,307,000	86,757,000
Accumulated other comprehensive income (loss)	31,068,000	(29,324,000)			(27,943,000)	(28,202,000)	(10,224,000)	(9,635,000)
Less - treasury stock, at cost	5,447,925,000	5,533,942,000
Total common shareholders' equity	10,062,468,000	9,632,466,000
Subsidiaries' preferred stock without sinking fund	94,000,000	94,000,000			10,000,000	10,000,000	100,000,000	100,000,000
Members' Equity					1,483,544,000	1,479,179,000	2,875,067,000	2,885,287,000
TOTAL	10,156,468,000	9,726,466,000	1,773,656,000	1,719,718,000	1,465,601,000	1,460,977,000	2,964,843,000	2,975,652,000	1,002,566,000	951,577,000	220,469,000	206,283,000	878,777,000	887,027,000	881,657,000	876,107,000
TOTAL LIABILITIES AND EQUITY	$ 44,150,747,000	$ 43,406,446,000	$ 8,187,925,000	$ 8,034,890,000	$ 6,107,364,000	$ 5,942,588,000	$ 9,770,829,000	$ 9,450,393,000	$ 3,314,238,000	$ 3,250,325,000	$ 887,441,000	$ 888,796,000	$ 3,869,191,000	$ 3,921,860,000	$ 3,630,265,000	$ 3,543,924,000