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Inventories
6 Months Ended
Jun. 30, 2012
Inventories  
Inventories

 

6.  Inventories

 

 Major classes of inventory are as follows:

 

 

June 30,

 

December 31,

 

June 30,

 

 

 

2012

 

2011

 

2011

 

Finished goods

 

$

1,054

 

$

891

 

$

936

 

Raw materials

 

124

 

123

 

124

 

Operating supplies

 

45

 

47

 

54

 

 

 

$

1,223

 

$

1,061

 

$

1,114