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EMPLOYEE BENEFITS (Tables)
 9 Months Ended
Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule of net periodic (income) cost
The following table presents the components of net periodic (income) cost for the Company’s qualified and non-qualified plans:
 
Nine Months Ended September 30,
 
Qualified Plan
 
Non-Qualified Plan
 
Total
(in millions)
2015

 
2014

 
2015

 
2014

 
2015

 
2014

Service cost

$2

 

$3

 

$—

 

$—

 

$2

 

$3

Interest cost
33

 
33

 
3

 
3

 
36

 
36

Expected return on plan assets
(55
)
 
(53
)
 
—

 
—

 
(55
)
 
(53
)
Amortization of actuarial loss
10

 
6

 
2

 
1

 
12

 
7

Net periodic pension (income) cost

($10
)
 

($11
)
 

$5

 

$4

 

($5
)
 

($7
)