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Inventories (Tables)
 6 Months Ended
Jun. 30, 2014
Inventories  
Components of inventories

 

(in millions)

 

At
June 30,
2014

 

At
December 31,
2013

 

Finished and in process

 

$
454 

 

$
440 

 

Raw materials

 
282 

 
235 

 

Manufacturing supplies and other

 
48 

 
48 

 

Total inventories

 

$
784 

 

$
723