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EMPLOYEE BENEFIT PLANS
3 Months Ended
Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]  
EMPLOYEE BENEFIT PLANS
EMPLOYEE BENEFIT PLANS

Net periodic benefit costs recognized included the following components for the three months ended March 31, 2016 (in millions): 
 
Three Months Ended March 31,
 
Qualified
 
2016
 
2015
Service cost
$
9

 
$
10

Interest cost
18

 
21

Expected return on assets
(27
)
 
(31
)
Recognized actuarial loss (gain)
6

 
7

Total
$
6

 
$
7