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Trade Accounts Receivable, Net (Tables)
12 Months Ended
Dec. 31, 2013
Receivables [Abstract]  
Trade Accounts Receivable, Net

Trade accounts receivable, net consisted of the following:

 

     December 31,
2013
    December 31,
2012
 

Trade accounts receivable

     1,058        1,015   

Allowance for doubtful accounts

     (9     (10

Total

     1,049        1,005