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ACCOUNTS, NOTES AND OTHER RECEIVABLES
12 Months Ended
Dec. 31, 2013
Accounts, Notes And Other Receivables [Abstract]  
Accounts, Notes and Other Receivables

Note 8. Accounts, Notes and Other Receivables

   December 31, 
   2013  2012 
        
 Trade$7,530 $6,940 
 Other 646  737 
   8,176  7,677 
 Less - Allowance for doubtful accounts (247)  (248) 
  $7,929 $7,429 

Trade Receivables includes $1,609 and $1,495 million of unbilled balances under long-term contracts as of December 31, 2013 and December 31, 2012, respectively. These amounts are billed in accordance with the terms of customer contracts to which they relate.