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Pension Plans Pension Plan (Notes)
 9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure
Pension Plans

The components of net periodic benefit cost related to pension benefits for the three and nine months ended September 30, 2016 and 2015 were as follows:
 
Three Months Ended September 30,
 
2016
 
2015
Dollars in millions
United States
 
Int’l
 
United States
 
Int’l
Components of net periodic benefit cost
 
 
 
 
 
 
 
Service cost
$
—

 
$
—

 
$
—

 
$
—

Interest cost
1

 
15

 
1

 
19

Expected return on plan assets
(1
)
 
(21
)
 
—

 
(24
)
Recognized actuarial loss
—

 
7

 
1

 
11

Net periodic benefit cost
$
—

 
$
1

 
$
2

 
$
6

 
 
 
 
 
 
 
 
 
Nine Months Ended September 30,
 
2016
 
2015
Dollars in millions
United States
 
Int’l
 
United States
 
Int’l
Components of net periodic benefit cost
 
 
 
 
 
 
 
Service cost
$
—

 
$
1

 
$
—

 
$
1

Interest cost
2

 
48

 
2

 
57

Expected return on plan assets
(2
)
 
(67
)
 
(2
)
 
(73
)
Recognized actuarial loss
1

 
21

 
4

 
35

Net periodic benefit cost
$
1

 
$
3

 
$
4

 
$
20



For the nine months ended September 30, 2016, we have contributed approximately $31 million of the $41 million we expect to contribute to our international plans in 2016.