Decommissioning Trust Funds (Tables)

9 Months Ended

Sep. 30, 2016

Securities Held

The securities held as of September 30, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$3,380		$1,568		$1
Debt Securities	2,291		94		2
Total		$5,671		$1,662		$3

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$3,195		$1,396		$2
Debt Securities	2,155		41		17
Total		$5,350		$1,437		$19

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, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$13		$1		$266		$1
More than 12 months	—		—		23		1
Total		$13		$1		$289		$2

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, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$54		$2		$1,031		$15
More than 12 months	1		—		61		2
Total		$55		$2		$1,092		$17

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$102		$77
1 year - 5 years	812		857
5 years - 10 years	743		704
10 years - 15 years	128		124
15 years - 20 years	62		50
20 years+	444		343
Total		$2,291		$2,155

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, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$504.9		$263.4		$—
Debt Securities	318.9		10.8		0.3
Total		$823.8		$274.2		$0.3
2015
Equity Securities		$467.4		$234.4		$0.2
Debt Securities	303.9		4.1		2.2
Total		$771.3		$238.5		$2.4

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, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$0.9		$—		$32.5		$0.3
More than 12 months	—		—		—		—
Total		$0.9		$—		$32.5		$0.3

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, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$7.8		$0.2		$111.4		$1.7
More than 12 months	—		—		18.5		0.5
Total		$7.8		$0.2		$129.9		$2.2

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$8.8		$1.8
1 year - 5 years	123.5		145.2
5 years - 10 years	166.1		138.5
10 years - 15 years	9.5		2.4
15 years - 20 years	1.1		2.0
20 years+	9.9		14.0
Total		$318.9		$303.9

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, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$684.7		$322.9		$—
Debt Securities	440.1		21.4		0.4
Total		$1,124.8		$344.3		$0.4
2015
Equity Securities		$632.4		$283.7		$0.2
Debt Securities	409.9		13.2		2.4
Total		$1,042.3		$296.9		$2.6

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, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$2.3		$—		$32.5		$0.2
More than 12 months	—		—		6.5		0.2
Total		$2.3		$—		$39.0		$0.4

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, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$9.4		$0.2		$124.0		$2.0
More than 12 months	—		—		7.4		0.4
Total		$9.4		$0.2		$131.4		$2.4

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$25.0		$27.1
1 year - 5 years	102.3		124.0
5 years - 10 years	121.5		114.3
10 years - 15 years	51.0		39.3
15 years - 20 years	31.1		26.5
20 years+	109.2		78.7
Total		$440.1		$409.9

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, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$456.3		$205.5		$0.1
Debt Securities	308.6		6.7		0.3
Total		$764.9		$212.2		$0.4
2015
Equity Securities		$423.7		$179.2		$0.3
Debt Securities	277.8		2.2		2.3
Total		$701.5		$181.4		$2.6

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, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$0.8		$—		$81.4		$0.2
More than 12 months	—		0.1		1.0		0.1
Total		$0.8		$0.1		$82.4		$0.3

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, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$8.3		$0.2		$200.4		$2.2
More than 12 months	0.9		0.1		5.0		0.1
Total		$9.2		$0.3		$205.4		$2.3

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of September 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$3.0		$2.0
1 year - 5 years	192.6		181.2
5 years - 10 years	76.2		63.0
10 years - 15 years	3.5		4.4
15 years - 20 years	1.5		1.6
20 years+	31.8		25.6
Total		$308.6		$277.8