Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurements

Fair value, assets measured on a recurring basis

				Fair Value Measurements at
				December 31, 2011 Using
				Quoted
				Prices in
				Active
				Markets for		Significant
				Identical		Other		Significant
		As of		Financial		Observable		Unobservable
		December 31,		Instruments		Inputs		Inputs		Balance Sheet
		2011		(Level 1)		(Level 2)		(Level 3)		Classification
Financial assets:
Money market funds		$	2,869	$	2,869	$	---	$	---	Cash and cash equivalents
U.S. treasuries with original maturities of
	three months or less		2		2		---		---	Cash and cash equivalents
U.S. treasuries and government agency
	securities		344		344		---		---	Short-term investments
ARS held through Morgan Stanley
	Smith Barney LLC		16		---		---		16	Long-term investments
Total financial assets at fair value		$	3,231	$	3,215	$	---	$	16

				Fair Value Measurements at
				December 31, 2010 Using
				Quoted
				Prices in
				Active
				Markets for		Significant
				Identical		Other		Significant
		As of		Financial		Observable		Unobservable
		December 31,		Instruments		Inputs		Inputs		Balance Sheet
		2010		(Level 1)		(Level 2)		(Level 3)		Classification
Financial assets:
Money market funds		$	2,216	$	2,216	$	---	$	---	Cash and cash equivalents
U.S. treasuries and foreign government
	bonds with original maturities of the
	three months or less		332		332		---		---	Cash and cash equivalents
U.S. treasuries and government agency
	securities		672		672		---		---	Short-term investments
ARS held through Morgan Stanley
	Smith Barney LLC		23		---		---		23	Long-term investments
Foreign exchange contract derivatives			1		---		1		---	Other assets—current
Total financial assets at fair value		$	3,244	$	3,220	$	1	$	23

Fair value, assets and liabilities measured on a recurring basis, Level 3 reconciliation

			Level 3
					Total
					financial
					assets at
			ARS		fair
			(a)		value
Balance at January 1, 2011			$	23	$	23
	Total unrealized gains included in other
		comprehensive income		3		3
	Purchases or acquired sales,
		issuances and settlements		(10)		(10)
Balance at December 31, 2011			$	16	$	16

			Level 3
							Total
							financial
					ARS rights		assets at
			ARS		from UBS		fair		Other financial
			(a)		(b)		value		liabilities
Balance at January 1, 2010			$	77	$	7	$	84	$	(23)
	Total gains or (losses)
		(realized/unrealized) included
		in investment and other income, net		7		(7)		---		23
	Purchases or acquired sales,
		issuances and settlements		(61)		---		(61)		---
Balance at December 31, 2010			$	23	$	---	$	23	$	---

Fair value, assets measured on a nonrecurring basis

				Fair Value Measurements at
				December 31, 2011 Using
				Quoted
				Prices in
				Active
				Markets for		Significant
				Identical		Other		Significant
		As of		Financial		Observable		Unobservable
		December 31,		Instruments		Inputs		Inputs
		2011		(Level 1)		(Level 2)		(Level 3)		Total Losses
Non-financial assets:
Goodwill		$	---	$	---	$	---	$	---	$	12
Total non-financial assets at fair
	value	$	---	$	---	$	---	$	---	$	12
				Fair Value Measurements at
				December 31, 2010 Using
				Quoted
				Prices in
				Active
				Markets for		Significant
				Identical		Other		Significant
		As of		Financial		Observable		Unobservable
		December 31,		Instruments		Inputs		Inputs
		2010		(Level 1)		(Level 2)		(Level 3)		Total Losses
Non-financial assets:
Intangible assets, net		$	---	$	---	$	---	$	---	$	326
Total non-financial assets at fair
	value	$	---	$	---	$	---	$	---	$	326