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Inventories (Tables)
 12 Months Ended
Dec. 31, 2011
Inventories  
Inventories

 

 

 
   As of December 31,  
 
   2011   2010  

Products

              

Nickel (co-products and by-products)

     1,771     1,310  

Iron ore and pellets

     1,137     825  

Manganese and ferroalloys

     240     203  

Fertilizer

     387     171  

Copper concentrate

     72     28  

Coal

     277     74  

Others

     91     143  

Spare parts and maintenance supplies

     1,276     1,544  
           

 

     5,251     4,298