ACCOUNTS, NOTES AND OTHER RECEIVABLES

3 Months Ended

Mar. 31, 2012

Accounts, Notes And Other Receivables [Abstract]

Accounts, Notes and Other Receivables

Note 7. Accounts, Notes and Other Receivables

		March 31,		December 31,
		2012		2011
Trade	$	6,979	$	6,926
Other		545		555
		7,524		7,481
Less: Allowance for doubtful accounts		256		253
	$	7,268	$	7,228

Trade Receivables includes $1,558, and $1,404 million of unbilled balances under long-term contracts as of March 31, 2012 and December 31, 2011, respectively. These amounts are billed in accordance with the terms of customer contracts to which they relate.