Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Fair Value Of Assets And Liabilities

The fair values of the Company’s financial assets and liabilities by level in the fair value hierarchy as of June 30, 2012 and December 31, 2011 were as follows:

June 30, 2012	Level 1		Level 2		Total
Assets:
Sigma Fund securities:
U.S. government, agency and government-sponsored enterprise obligations	$	—	$	1,916	$	1,916
Foreign exchange derivative contracts	—		1		1
Available-for-sale securities:
U.S. government, agency and government-sponsored enterprise obligations	—		16		16
Corporate bonds	—		10		10
Mortgage-backed securities	—		2		2
Common stock and equivalents	40		8		48
Liabilities:
Foreign exchange derivative contracts	$	—	$	3	$	3
Interest agreement derivative contracts	—		4		4

December 31, 2011	Level 1		Level 2		Total
Assets:
Sigma Fund securities:
U.S. government, agency and government-sponsored enterprise obligations	$	—	$	2,944	$	2,944
Foreign exchange derivative contracts	—		1		1
Available-for-sale securities:
U.S. government, agency and government-sponsored enterprise obligations	—		16		16
Corporate bonds	—		10		10
Mortgage-backed securities	—		2		2
Common stock and equivalents	3		8		11
Liabilities:
Foreign exchange derivative contracts	$	—	$	5	$	5
Interest agreement derivative contracts	—		3		3

Changes In Fair Value Of Level 3 Assets

The following table summarizes the changes in fair value of our Level 3 assets:

	Three Months Ended		Six Months Ended
	July 2, 2011			July 2, 2011
Beginning balance	$	21		$	15
Transfers to Level 3	—			21
Payments received and securities sold	—			(18		)
Gain on Sigma Fund investments included in Other income (expense)	—			3
Ending balance	$	21		$	21