ACCOUNTS, NOTES AND OTHER RECEIVABLES

3 Months Ended

Mar. 31, 2013

Accounts, Notes And Other Receivables [Abstract]

Accounts, Notes and Other Receivables

Note 7. Accounts, Notes and Other Receivables

		March 31,		December 31,
		2013		2012
Trade	$	7,217	$	6,940
Other		609		737
		7,826		7,677
Less: Allowance for doubtful accounts		(241)		(248)
	$	7,585	$	7,429

Trade Receivables includes $1,580, and $1,495 million of unbilled balances under long-term contracts as of March 31, 2013 and December 31, 2012, respectively. These amounts are billed in accordance with the terms of customer contracts to which they relate.