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Other Non-Current Assets (Tables)
 12 Months Ended
Dec. 31, 2011
Other Non-Current Assets [Abstract]  
Other investment and other non current assets
                 
    December 31,
2011		     December 31,
2010		  

Available-for-sale equity securities

     9       11  

Held-for-trading equity securities

     7       7  

Long-term State receivables

     366       286  

Long-term receivables from third parties

     12       19  

Prepaid for pension

     1       4  

Derivative instruments designated as cash flow-hedge

     —         6  

Deposits and other non-current assets

     37       23  
   

 

 

    

 

 

  

Total

     432       356