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Benefit Plans (Tables)
3 Months Ended
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Benefit Plans
The components of net periodic benefit cost and other amounts recognized as changes in regulatory assets for the three months ended December 31, 2013, and 2012, were as follows:

Components of TVA’s Benefit Plans 
 
 
For the Three Months Ended December 31
 
 
Pension Benefits
 
Other Post-Retirement Benefits
 
 
2013
 
2012
 
2013
 
2012
 
Service cost
$
35

 
$
34

 
$
5

 
$
5

 
Interest cost
139

 
123

 
9

 
9

 
Expected return on plan assets
(108
)
 
(109
)
 

 

 
Amortization of prior service cost
(5
)
 
(6
)
 
(2
)
 
(2
)
 
Recognized net actuarial loss
69

 
90

 
3

 
7

 
Total net periodic benefit cost recognized
$
130

 
$
132

 
$
15

 
$
19