Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2012

Summary of Marketable Securities

Marketable Securities

	March 31, 2012						December 31, 2011
			Unrealized		Fair				Unrealized		Fair
	Cost		Gains		Value		Cost		Gains		Value
U.S. government securities	$	8	$	-	$	8	$	10	$	-	$	10
Corporate securities		10				10		8				8
Certificates of deposit		13				13		13				13
Other		25		2		27		25				25
Total marketable securities	$	56	$	2	$	58	$	56	$	-	$	56