Preferred Equity (Schedule Of Number Of Shares And Units Authorized And Outstanding And Dollar Value Of Preferred Stock) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		1 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Preferred Stock, Shares Authorized	6,365,105		6,365,105
Preferred Stock, Shares Outstanding	6,205,105		6,205,105
Preferred Stock, Value	$ 304,760		304,760
Preferred Units, Value	94,000		94,000
Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	3,413,500		3,413,500
Preferred Stock, Value	116,350		116,350
Entergy Gulf States Louisiana [Member]
Preferred Units, Outstanding	100,000		100,000
Preferred Units, Value	10,000		10,000
Entergy Louisiana [Member]
Preferred Units, Outstanding	1,000,000		1,000,000
Preferred Units, Value	100,000		100,000
Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding	1,403,807		1,403,807
Preferred Stock, Value	50,381		50,381
Entergy New Orleans [Member]
Preferred Stock, Shares Outstanding	197,798		197,798
Preferred Stock, Value	19,780		19,780
Utility Plants [Member]
Preferred Shares/Units, Authorized	6,115,105		6,115,105
Preferred Shares/Units, Outstanding	5,955,105		5,955,105
Preferred Shares/Units, Value	280,511		280,511
Preferred Membership Interests Cumulative One Hundred Dollar Liquidation Value Six Point Nine Five Percent Series [Member] | Entergy Louisiana [Member]
Preferred Units, Outstanding	1,000,000	[1]	1,000,000	[1]
Preferred Units, Value	100,000	[1]	100,000	[1]
Preferred Units, Call Price per Share	100	[1]
Preferred stock/preferred membership interests rate	6.95%	[1]
Preferred Stock, Par or Stated Value Per Share	$ 100	[1]
Preferred Stock, 4.32% - 6.45% Series [Member] | Utility Plants [Member] | Entergy Arkansas [Member]
Preferred Shares/Units, Authorized	3,413,500		3,413,500
Preferred Shares/Units, Outstanding	3,413,500		3,413,500
Preferred Shares/Units, Value	116,350		116,350
Preferred Membership Interests, Series A, 8.25% [Member] | Utility Plants [Member] | Entergy Gulf States Louisiana [Member]
Preferred Shares/Units, Authorized	100,000		100,000
Preferred Shares/Units, Outstanding	100,000		100,000
Preferred Shares/Units, Value	10,000		10,000
Preferred stock/preferred membership interests rate	8.25%
Preferred Membership Interests, 6.95% Series [Member] | Utility Plants [Member] | Entergy Louisiana [Member]
Preferred Shares/Units, Authorized	1,000,000	[2]	1,000,000	[2]
Preferred Shares/Units, Outstanding	840,000	[2]	840,000	[2]
Preferred Shares/Units, Value	84,000	[2]	84,000	[2]
Preferred stock/preferred membership interests rate	6.95%	[2]
Preferred Stock, 4.36% - 6.25% Series [Member] | Utility Plants [Member] | Entergy Mississippi [Member]
Preferred Shares/Units, Authorized	1,403,807		1,403,807
Preferred Shares/Units, Outstanding	1,403,807		1,403,807
Preferred Shares/Units, Value	50,381		50,381
Preferred Stock, 4.36% - 5.56% Series [Member] | Utility Plants [Member] | Entergy New Orleans [Member]
Preferred Shares/Units, Authorized	197,798		197,798
Preferred Shares/Units, Outstanding	197,798		197,798
Preferred Shares/Units, Value	19,780		19,780
Preferred Stock, 8.95% Rate [Member] | Entergy Wholesale Commodities [Member] | Entergy Asset Management [Member]
Preferred stock/preferred membership interests rate	8.95%	[3]
Preferred Stock, 8.75% Rate [Member] | Entergy Finance Holding Inc [Member]
Preferred stock/preferred membership interests rate			8.75%
Preferred Stock, 8.75% Rate [Member] | Entergy Wholesale Commodities [Member] | Entergy Finance Holding Inc [Member]
Preferred Stock, Shares Authorized	250,000	[4]	250,000	[4]
Preferred Stock, Shares Outstanding	250,000	[4]	250,000	[4]
Preferred Stock, Value	24,249	[4]	24,249	[4]
Preferred stock/preferred membership interests rate	8.75%	[4]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	751
Preferred Stock, Cumulative $100 Par Value, 4.32% Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	70,000		70,000
Preferred Stock, Value	7,000		7,000
Preferred Stock, Call Price per Share	$ 103.65
Preferred stock/preferred membership interests rate	4.32%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 4.72% Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	93,500		93,500
Preferred Stock, Value	9,350		9,350
Preferred Stock, Call Price per Share	$ 107.00
Preferred stock/preferred membership interests rate	4.72%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 4.36% Series [Member] | Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding	59,920		59,920
Preferred Stock, Value	5,992		5,992
Preferred Stock, Call Price per Share	$ 103.86
Preferred stock/preferred membership interests rate	4.36%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 4.36% Series [Member] | Entergy New Orleans [Member]
Preferred Stock, Shares Outstanding	60,000		60,000
Preferred Stock, Value	6,000		6,000
Preferred Stock, Call Price per Share	$ 104.58
Preferred stock/preferred membership interests rate	4.36%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 4.56% Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	75,000		75,000
Preferred Stock, Value	7,500		7,500
Preferred Stock, Call Price per Share	$ 102.83
Preferred stock/preferred membership interests rate	4.56%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 4.56% Series [Member] | Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding	43,887		43,887
Preferred Stock, Value	4,389		4,389
Preferred Stock, Call Price per Share	$ 107.00
Preferred stock/preferred membership interests rate	4.56%
Preferred Stock, Cumulative $100 Par Value, 4.56% 1965 Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	75,000		75,000
Preferred Stock, Value	7,500		7,500
Preferred Stock, Call Price per Share	$ 102.50
Preferred stock/preferred membership interests rate	4.56%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 6.08% Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	100,000		100,000
Preferred Stock, Value	10,000		10,000
Preferred Stock, Call Price per Share	$ 102.83
Preferred stock/preferred membership interests rate	6.08%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $25 Par Value, 6.45% Series [Member] | Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding	3,000,000	[1]	3,000,000	[1]
Preferred Stock, Value	75,000	[1]	75,000	[1]
Preferred Stock, Call Price per Share	$ 25	[1]
Preferred stock/preferred membership interests rate	6.45%	[1]
Preferred Stock, Par or Stated Value Per Share	$ 25	[1]
Preferred Membership Interests, Cumulative $100 Liquidation Value, 8.25% Series [Member] | Entergy Gulf States Louisiana [Member]
Preferred Units, Outstanding	100,000	[5]	100,000	[5]
Preferred Units, Value	10,000	[5]	10,000	[5]
Preferred Units, Call Price per Share	0	[1]
Preferred stock/preferred membership interests rate	8.25%	[5]
Preferred Stock, Par or Stated Value Per Share	$ 100	[5]
Preferred Stock, Cumulative $100 Par Value, 4.92% Series [Member] | Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding	100,000		100,000
Preferred Stock, Value	10,000		10,000
Preferred Stock, Call Price per Share	$ 102.88
Preferred stock/preferred membership interests rate	4.92%
Preferred Stock, Cumulative $25 Par Value, 6.25% Series [Member] | Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding	1,200,000	[1]	1,200,000	[1]
Preferred Stock, Value	30,000	[1]	30,000	[1]
Preferred Stock, Call Price per Share	$ 25	[1]
Preferred stock/preferred membership interests rate	6.25%	[1]
Preferred Stock, Par or Stated Value Per Share	$ 25	[1]
Preferred Stock, Cumulative $100 Par Value, 4.75% Series [Member] | Entergy New Orleans [Member]
Preferred Stock, Shares Outstanding	77,798		77,798
Preferred Stock, Value	7,780		7,780
Preferred Stock, Call Price per Share	$ 105.00
Preferred stock/preferred membership interests rate	4.75%
Preferred Stock, Par or Stated Value Per Share	$ 100
Preferred Stock, Cumulative $100 Par Value, 5.56% Series [Member] | Entergy New Orleans [Member]
Preferred Stock, Shares Outstanding	60,000		60,000
Preferred Stock, Value	$ 6,000		6,000
Preferred Stock, Call Price per Share	$ 102.59
Preferred stock/preferred membership interests rate	5.56%
Preferred Stock, Par or Stated Value Per Share	$ 100
Minimum [Member] | Preferred Stock, 4.32% - 6.45% Series [Member] | Utility Plants [Member] | Entergy Arkansas [Member]
Preferred stock/preferred membership interests rate	4.32%
Minimum [Member] | Preferred Stock, 4.36% - 6.25% Series [Member] | Utility Plants [Member] | Entergy Mississippi [Member]
Preferred stock/preferred membership interests rate	4.36%
Minimum [Member] | Preferred Stock, 4.36% - 5.56% Series [Member] | Utility Plants [Member] | Entergy New Orleans [Member]
Preferred stock/preferred membership interests rate	4.36%
Maximum [Member] | Preferred Stock, 4.32% - 6.45% Series [Member] | Utility Plants [Member] | Entergy Arkansas [Member]
Preferred stock/preferred membership interests rate	6.45%
Maximum [Member] | Preferred Stock, 4.36% - 6.25% Series [Member] | Utility Plants [Member] | Entergy Mississippi [Member]
Preferred stock/preferred membership interests rate	6.25%
Maximum [Member] | Preferred Stock, 4.36% - 5.56% Series [Member] | Utility Plants [Member] | Entergy New Orleans [Member]
Preferred stock/preferred membership interests rate	5.56%

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[2] (a)In 2007, Entergy Louisiana Holdings, an Entergy subsidiary, purchased 160,000 of these shares from the hold

[3] .

[4] Dollar amount outstanding is net of $751 thousand of preferred stock issuance costs.

[5] Series is callable at par on and after December 15, 2015.