Decommissioning Trust Funds (Tables)

9 Months Ended

Sep. 30, 2015

Securities Held

The securities held as of September 30, 2015 and December 31, 2014 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$3,018		$1,252		$3
Debt Securities	2,173		61		12
Total		$5,191		$1,313		$15

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2014
Equity Securities		$3,286		$1,513		$1
Debt Securities	2,085		76		6
Total		$5,371		$1,589		$7

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$63		$3		$390		$9
More than 12 months	—		—		77		3
Total		$63		$3		$467		$12

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2014:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$9		$1		$277		$2
More than 12 months	—		—		163		4
Total		$9		$1		$440		$6

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2015 and December 31, 2014 are as follows:

	2015		2014
	(In Millions)
less than 1 year		$53		$94
1 year - 5 years	767		783
5 years - 10 years	762		681
10 years - 15 years	191		173
15 years - 20 years	71		79
20 years+	329		275
Total		$2,173		$2,085

Entergy Arkansas [Member]

Securities Held

Entergy Arkansas holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of September 30, 2015 and December 31, 2014 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$443.4		$209.9		$0.4
Debt Securities	303.1		6.7		1.4
Total		$746.5		$216.6		$1.8
2014
Equity Securities		$487.3		$248.9		$—
Debt Securities	282.6		6.2		1.1
Total		$769.9		$255.1		$1.1

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$7.8		$0.4		$38.8		$1.0
More than 12 months	—		—		18.5		0.4
Total		$7.8		$0.4		$57.3		$1.4

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2014:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$0.1		$—		$56.5		$0.3
More than 12 months	—		—		34.8		0.8
Total		$0.1		$—		$91.3		$1.1

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2015 and December 31, 2014 are as follows:

	2015		2014
	(In Millions)
less than 1 year		$1.3		$14.9
1 year - 5 years	129.9		127.3
5 years - 10 years	151.7		128.2
10 years - 15 years	4.9		1.7
15 years - 20 years	1.5		1.0
20 years+	13.8		9.5
Total		$303.1		$282.6

Entergy Louisiana [Member]

Securities Held

Entergy Louisiana holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of September 30, 2015 and December 31, 2014 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$225.1		$99.2		$0.2
Debt Securities	151.3		6.3		0.6
Total		$376.4		$105.5		$0.8
2014
Equity Securities		$239.6		$116.7		$—
Debt Securities	144.0		6.9		0.4
Total		$383.6		$123.6		$0.4

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$3.9		$0.2		$18.3		$0.3
More than 12 months	—		—		5.1		0.3
Total		$3.9		$0.2		$23.4		$0.6

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2014:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$0.1		$—		$19.1		$0.1
More than 12 months	—		—		12.1		0.3
Total		$0.1		$—		$31.2		$0.4

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2015 and December 31, 2014 are as follows:

	2015		2014
	(In Millions)
less than 1 year		$9.6		$5.6
1 year - 5 years	55.1		58.2
5 years - 10 years	46.2		44.2
10 years - 15 years	11.6		7.3
15 years - 20 years	9.8		9.4
20 years+	19.0		19.3
Total		$151.3		$144.0

System Energy [Member]

Securities Held

System Energy holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of September 30, 2015 and December 31, 2014 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$398.8		$156.6		$0.4
Debt Securities	275.4		3.9		0.9
Total		$674.2		$160.5		$1.3
2014
Equity Securities		$424.5		$188.0		$—
Debt Securities	255.3		5.9		0.3
Total		$679.8		$193.9		$0.3

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$7.2		$0.4		$42.3		$0.8
More than 12 months	—		—		1.5		0.1
Total		$7.2		$0.4		$43.8		$0.9

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2014:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$0.1		$—		$51.6		$0.2
More than 12 months	—		—		6.5		0.1
Total		$0.1		$—		$58.1		$0.3

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2015 and December 31, 2014 are as follows:

	2015		2014
	(In Millions)
less than 1 year		$8.9		$33.5
1 year - 5 years	157.5		139.7
5 years - 10 years	77.2		53.5
10 years - 15 years	4.8		3.4
15 years - 20 years	1.6		3.2
20 years+	25.4		22.0
Total		$275.4		$255.3