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Pension Plans Pension Plan (Notes)
 3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]
Pension Plans

The components of net periodic benefit cost related to pension benefits for the three months ended March 31, 2015 and 2014 were as follows:
 
Three Months Ended March 31,
Dollars in millions
2015
 
2014
 
United States
 
Int’l
 
United States
 
Int’l
Components of net periodic benefit cost
 
 
 
 
 
 
 
Service cost
$
—

 
$
—

 
$
—

 
$
1

Interest cost
1

 
19

 
1

 
22

Expected return on plan assets
(1
)
 
(24
)
 
(1
)
 
(26
)
Recognized actuarial loss
1

 
11

 
1

 
10

Net periodic benefit cost
$
1

 
$
6

 
$
1

 
$
7


For the three months ended March 31, 2015, we have contributed approximately $11 million of the $43 million we expect to contribute to our international plans in 2015.