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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2014
Components of Net Periodic Benefit Costs (Credits)
The components of net periodic benefit costs (credits) are:
 
PENSION
 
QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS
MARCH 2014
 
MARCH 2013
Service cost
$
14

 
$
16

Interest cost
69

 
60

Expected return on plan assets
(116
)
 
(109
)
Amortization of actuarial loss
31

 
55

Amortization of prior service cost
1

 
2

Total net periodic benefit cost (credit)
$
(1
)
 
$
24

 
OTHER POSTRETIREMENT BENEFITS
 
QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS
MARCH 2014
 
MARCH 2013
Interest cost
$
3

 
$
3

Amortization of actuarial loss
3

 
3

Amortization of prior service credit
(48
)
 
(6
)
Other
(4
)
 

Total net periodic benefit credit
$
(46
)
 
$