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Decommissioning Trust Funds (Tables)
9 Months Ended
Sep. 30, 2019
Securities Held
The available-for-sale securities held as of September 30, 2019 and December 31, 2018 are summarized as follows:
 
 
Fair
Value
 
Total
Unrealized
Gains
 
Total
Unrealized
Losses
 
 
(In Millions)
2019
 
 
 
 
 
 
Debt Securities (a)
 

$2,462

 

$114

 

$2

 
 
 
 
 
 
 
2018
 
 
 
 
 
 
Debt Securities (a)
 

$2,495

 

$19

 

$35


(a)
Debt securities presented herein do not include the $506 million and $389 million of debt securities held in the wholly-owned registered investment company as of September 30, 2019 and December 31, 2018, respectively, which are not accounted for as available-for-sale.
Available For Sale Securities Continuous Unrealized Loss Position Fair Value
The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2019:
 
 
Fair
Value
 
Gross
Unrealized
Losses
 
 
(In Millions)
Less than 12 months
 

$236

 

$2

More than 12 months
 
67

 

Total
 

$303

 

$2


The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2018:
 
Fair
Value
 
Gross
Unrealized
Losses
 
(In Millions)
Less than 12 months

$652

 

$9

More than 12 months
782

 
26

Total

$1,434

 

$35



Fair Value Of Debt Securities By Contractual Maturities
The fair value of available-for-sale debt securities, summarized by contractual maturities, as of September 30, 2019 and December 31, 2018 are as follows:
 
2019
 
2018
 
(In Millions)
Less than 1 year

$165

 

$199

1 year - 5 years
870

 
1,066

5 years - 10 years
636

 
544

10 years - 15 years
89

 
77

15 years - 20 years
98

 
78

20 years+
604

 
531

Total

$2,462

 

$2,495


Entergy Arkansas [Member]  
Securities Held The available-for-sale securities held as of September 30, 2019 and December 31, 2018 are summarized as follows:
 
 
Fair
Value
 
Total
Unrealized
Gains
 
Total
Unrealized
Losses
 
 
(In Millions)
2019
 
 
 
 
 
 
Debt Securities
 

$407.7

 

$11.8

 

$0.9

 
 
 
 
 
 
 
2018
 
 
 
 
 
 
Debt Securities
 

$381.3

 

$0.6

 

$8.2


Available For Sale Securities Continuous Unrealized Loss Position Fair Value
The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2019:
 
 
Fair
Value
 
Gross
Unrealized
Losses
 
 
(In Millions)
Less than 12 months
 

$51.5

 

$0.8

More than 12 months
 
21.0

 
0.1

Total
 

$72.5

 

$0.9


The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2018:
 
Fair
Value
 
Gross
Unrealized
Losses
 
(In Millions)
Less than 12 months

$65.8

 

$0.5

More than 12 months
231.1

 
7.7

Total

$296.9

 

$8.2


Fair Value Of Debt Securities By Contractual Maturities
The fair value of available-for-sale debt securities, summarized by contractual maturities, as of September 30, 2019 and December 31, 2018 are as follows:
 
2019
 
2018
 
(In Millions)
Less than 1 year

$50.3

 

$32.5

1 year - 5 years
120.4

 
170.3

5 years - 10 years
144.5

 
114.0

10 years - 15 years
24.3

 
10.3

15 years - 20 years
14.2

 
8.1

20 years+
54.0

 
46.1

Total

$407.7

 

$381.3


Entergy Louisiana [Member]  
Securities Held The available-for-sale securities held as of September 30, 2019 and December 31, 2018 are summarized as follows:
 
 
Fair
Value
 
Total
Unrealized
Gains
 
Total
Unrealized
Losses
 
 
(In Millions)
2019
 
 
 
 
 
 
Debt Securities
 

$593.4

 

$32.6

 

$0.3

 
 
 
 
 
 
 
2018
 
 
 
 
 
 
Debt Securities
 

$532.9

 

$4.1

 

$6.0


Available For Sale Securities Continuous Unrealized Loss Position Fair Value
The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2019:
 
 
Fair
Value
 
Gross
Unrealized
Losses
 
 
(In Millions)
Less than 12 months
 

$49.3

 

$0.3

More than 12 months
 
12.9

 

Total
 

$62.2

 

$0.3


The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2018:
 
Fair
Value
 
Gross
Unrealized
Losses
 
(In Millions)
Less than 12 months

$170.1

 

$2.1

More than 12 months
145.8

 
3.9

Total

$315.9

 

$6.0


Fair Value Of Debt Securities By Contractual Maturities
The fair value of available-for-sale debt securities, summarized by contractual maturities, as of September 30, 2019 and December 31, 2018 are as follows:
 
2019
 
2018
 
(In Millions)
Less than 1 year

$56.6

 

$31.1

1 year - 5 years
138.2

 
130.5

5 years - 10 years
118.4

 
111.0

10 years - 15 years
34.7

 
29.0

15 years - 20 years
45.0

 
37.1

20 years+
200.5

 
194.2

Total

$593.4

 

$532.9


System Energy [Member]  
Securities Held The available-for-sale securities held as of September 30, 2019 and December 31, 2018 are summarized as follows:
 
 
Fair
Value
 
Total
Unrealized
Gains
 
Total
Unrealized
Losses
 
 
(In Millions)
2019
 
 
 
 
 
 
Debt Securities
 

$395.3

 

$19.7

 

$0.1

 
 
 
 
 
 
 
2018
 
 
 
 
 
 
Debt Securities
 

$364.2

 

$2.9

 

$5.8


Available For Sale Securities Continuous Unrealized Loss Position Fair Value
The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of September 30, 2019:
 
 
Fair
Value
 
Gross
Unrealized
Losses
 
(In Millions)
Less than 12 months
 

$38.8

 

$0.1

More than 12 months
 
4.3

 

Total
 

$43.1

 

$0.1


The fair value and gross unrealized losses of available-for-sale debt securities, summarized by length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2018:
 
Fair
Value
 
Gross
Unrealized
Losses
 
(In Millions)
Less than 12 months

$89.7

 

$2.4

More than 12 months
79.8

 
3.4

Total

$169.5

 

$5.8


Fair Value Of Debt Securities By Contractual Maturities
The fair value of available-for-sale debt securities, summarized by contractual maturities, as of September 30, 2019 and December 31, 2018 are as follows:
 
2019
 
2018
 
(In Millions)
Less than 1 year

$11.2

 

$22.8

1 year - 5 years
187.7

 
188.0

5 years - 10 years
92.7

 
73.4

10 years - 15 years
3.0

 
5.2

15 years - 20 years
5.9

 
10.2

20 years+
94.8

 
64.6

Total

$395.3

 

$364.2