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Employee Benefit Plans (Tables)
6 Months Ended
Jun. 28, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Components of expense/(income) related to net benefit expense
The following table describes the components of expense / (income) related to net benefit expense:
 
Pension Benefits
(Dollars in millions)
Second Quarters
 
Six Months
 
2013
2012
 
2013
2012
Service Cost
$
13

$
11

 
$
25

$
22

Interest Cost
27

30

 
54

61

Expected Return on Plan Assets
(41
)
(42
)
 
(81
)
(81
)
Amortization of Net Loss
25

21

 
50

41

Total Expense
$
24

$
20

 
$
48

$
43

 
 
 
 
 
 
 
 
 
 
 
 
 
Other Post-retirement Benefits
(Dollars in millions)
Second Quarters
 
Six Months
 
2013
2012
 
2013
2012
Service Cost
$
1

$
1

 
$
2

$
2

Interest Cost
3

4

 
6

8

Amortization of Net Loss
4

3

 
7

5

Amortization of Prior Service Costs
(1
)
(1
)
 
(1
)
(1
)
Total Expense
$
7

$
7

 
$
14

$
14