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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
                         
    Estimated     December 31,  
    Useful Lives     2011     2010  

Land and buildings

    5-35 Years     $ 1,069     $ 736  

Operating equipment

    3-15 Years       1,955       1,539  

Rental equipment

    3-12 Years       636       628  
           

 

 

   

 

 

 
              3,660       2,903  

Less: Accumulated Depreciation

            (1,215     (1,063
           

 

 

   

 

 

 
            $ 2,445     $ 1,840