Note 6 - Fair Value Measurement of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2012

Fair Value Measurement of Assets and Liabilities Disclosure [Abstract]

Schedule of fair value of assets and liabilities measured on recurring basis

Description	Balance as of March 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
	(In millions)
Assets:
Cash and cash equivalents	$	4,164	$	4,164	$	—
Short-term investments:
Restricted cash	17		17		—
Corporate debt securities	790		—		790
Government and agency securities	13		—		13
Time deposits	92		—		92
Equity instruments	795		795		—
Total short-term investments	1,707		812		895
Derivatives	58		—		58
Long-term investments:
Corporate debt securities	2,616		—		2,616
Government and agency securities	57		—		57
Total long-term investments	2,673		—		2,673
Total financial assets	$	8,602	$	4,976	$	3,626
Liabilities:
Derivatives	$	35	$	—	$	35

Description	Balance as of December 31, 2011		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
	(In millions)
Assets:
Cash and cash equivalents	$	4,691	$	4,691	$	—
Short-term investments:
Restricted cash	20		20		—
Corporate debt securities	448		—		448
Government and agency securities	42		—		42
Time deposits	82		—		82
Equity instruments	646		646		—
Total short-term investments	1,238		666		572
Derivatives	112		—		112
Long-term investments:
Restricted cash	1		1		—
Corporate debt securities	2,186		—		2,186
Government and agency securities	71		—		71
Total long-term investments	2,258		1		2,257
Total financial assets	$	8,299	$	5,358	$	2,941
Liabilities:
Derivatives	$	60	$	—	$	60