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Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2011
Accounting Policies [Abstract]  
Schedule of property, plant and equipment useful lives
         

Buildings

     33 years  

Facilities & leasehold improvements

     5-10 years  

Machinery and equipment

     3-10 years  

Computer and R&D equipment

     3-6 years  

Other

     2-5 years  
Actual past and expected future revenues for multiple deliverable arrangements
                                         

In millions of U.S. dollars

   2009     2010     2011     2012     2013  

Licenses and process documentation

     23       29       56       7       7  

Training and support services

     1       28       14       6       3  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total Revenues under Multiple Deliverable Arrangements

     24       57       70       13       10