Decommissioning Trust Funds (Tables)

3 Months Ended

Mar. 31, 2016

Securities Held

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

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$3,203		$1,638		$1
Debt Securities	2,249		78		4
Total		$5,452		$1,716		$5

	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 March 31, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$38		$1		$196		$2
More than 12 months	—		—		73		2
Total		$38		$1		$269		$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		$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 March 31, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$98		$77
1 year - 5 years	855		857
5 years - 10 years	711		704
10 years - 15 years	144		124
15 years - 20 years	58		50
20 years+	383		343
Total		$2,249		$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 March 31, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$474.3		$238.5		$0.2
Debt Securities	311.2		9.5		0.8
Total		$785.5		$248.0		$1.0
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 March 31, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$7.3		$0.2		$18.1		$0.4
More than 12 months	—		—		11.3		0.4
Total		$7.3		$0.2		$29.4		$0.8

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

	2016		2015
	(In Millions)
less than 1 year		$3.7		$1.8
1 year - 5 years	142.0		145.2
5 years - 10 years	138.4		138.5
10 years - 15 years	7.5		2.4
15 years - 20 years	2.1		2.0
20 years+	17.5		14.0
Total		$311.2		$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 March 31, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$643.0		$289.3		$0.1
Debt Securities	422.2		19.0		0.8
Total		$1,065.2		$308.3		$0.9
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 March 31, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$8.6		$0.1		$24.0		$0.3
More than 12 months	—		—		11.0		0.5
Total		$8.6		$0.1		$35.0		$0.8

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

	2016		2015
	(In Millions)
less than 1 year		$31.9		$27.1
1 year - 5 years	114.8		124.0
5 years - 10 years	121.2		114.3
10 years - 15 years	43.6		39.3
15 years - 20 years	29.7		26.5
20 years+	81.0		78.7
Total		$422.2		$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 March 31, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$428.4		$182.7		$0.1
Debt Securities	291.4		5.5		0.4
Total		$719.8		$188.2		$0.5
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 March 31, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$3.9		$0.1		$45.8		$0.3
More than 12 months	—		—		2.4		0.1
Total		$3.9		$0.1		$48.2		$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		$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 March 31, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$4.6		$2.0
1 year - 5 years	180.9		181.2
5 years - 10 years	73.3		63.0
10 years - 15 years	4.5		4.4
15 years - 20 years	1.5		1.6
20 years+	26.6		25.6
Total		$291.4		$277.8