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Inventories (Tables)
9 Months Ended
Sep. 30, 2015
Inventories  
Major classes of inventory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

September 30,

 

 

 

    

2015

    

2014

    

2014

 

 

Finished goods

 

$

873

 

$

884

 

$

954

 

 

Raw materials

 

 

114

 

 

110

 

 

116

 

 

Operating supplies

 

 

36

 

 

41

 

 

42

 

 

 

 

$

1,023

 

$

1,035

 

$

1,112