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ACCOUNTS, NOTES AND OTHER RECEIVABLES
12 Months Ended
Dec. 31, 2014
Accounts, Notes And Other Receivables [Abstract]  
Accounts, Notes and Other Receivables

Note 7. Accounts, Notes and Other Receivables

   December 31, 
   2014  2013 
        
 Trade$7,788 $7,530 
 Other 445  646 
   8,233  8,176 
 Less - Allowance for doubtful accounts (273)  (247) 
  $7,960 $7,929 

Trade Receivables includes $1,636 million and $1,609 million of unbilled balances under long-term contracts as of December 31, 2014 and December 31, 2013, respectively. These amounts are billed in accordance with the terms of customer contracts to which they relate.