Receivables, Net

12 Months Ended

Dec. 31, 2011

Receivables, Net [Abstract]

Receivables, Net

NOTE 9

Receivables, Net

	2011				2010
Trade accounts receivable		$	361			$	305
Notes receivable			7				5
Other receivables			41				18
Receivables, gross			409				328
Allowance for doubtful accounts			(13	)			(13	)
Receivables, net		$	396			$	315

The following table displays an aggregate rollforward of the allowance for doubtful accounts, for the years ended December 31, 2011 and 2010.

	2011				2010				2009
Allowance for doubtful accounts – January 1		$	13			$	21			$	12
Charges (benefits) to income			2				(3	)			13
Write-offs			(1	)			(3	)			(3	)
Foreign currency and other			(1	)			(2	)			(1	)
Allowance for doubtful accounts – December 31		$	13			$	13			$	21