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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)
 3 Months Ended
Mar. 31, 2015
Components of Net Periodic Benefit Costs (Credits)
The components of net periodic benefit costs (credits) are:
 
PENSION
 
QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS
MARCH 2015
 
MARCH 2014
Service cost(1)
$
15

 
$
14

Interest cost
65

 
69

Expected return on plan assets
(118
)
 
(116
)
Amortization of actuarial loss
44

 
31

Amortization of prior service cost
1

 
1

Total net periodic benefit cost (credit)
$
7

 
$
(1
)
(1)
Service cost includes $1 million for quarter ended 2014 for employees that were part of the Real Estate Divestiture. These charges are included in our results of discontinued operations.
 
OTHER POSTRETIREMENT BENEFITS
 
QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS
MARCH 2015
 
MARCH 2014
Interest cost
$
3

 
$
3

Amortization of actuarial loss
2

 
3

Amortization of prior service credit
(2
)
 
(48
)
Other
—

 
(4
)
Total net periodic benefit cost (credit)
$
3

 
$
(46
)