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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2012
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment

Note 11. Property, Plant and Equipment - Net

       
        
  December 31,  
  2012 2011 
 Land and improvements $368 $376 
 Machinery and equipment  10,174  9,937 
 Buildings and improvements  3,078  2,897 
 Construction in progress  592  513 
   14,212  13,723 
 Less—Accumulated depreciation  (9,211)  (8,919) 
  $5,001 $4,804 

Depreciation expense was $660, $699 and $707 million in 2012, 2011 and 2010, respectively.