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Net Income Attributable to Noncontrolling Interests (Tables)
3 Months Ended
Mar. 31, 2012
Net Income Attributable to Noncontrolling Interests (Tables) [Abstract]  
Net Income Attributable to Noncontrolling Interests
NOTE 11 NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS 
         
  Three Months Ended March 31, 
   2012 2011 
 Yanacocha   $111 $56 
 Batu Hijau    13  102 
 Other    (11)  (2) 
   $113 $156