Note 6 - Investments (Tables)

12 Months Ended

Dec. 31, 2012

Note 7 - Investments [Abstract]

Fair value of short and long-term investments classified as available for sale

	December 31, 2012
	Gross Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In millions)
Short-term investments:
Restricted cash	$	15	$	—	$	—	$	15
Corporate debt securities	1,150		3		—		1,153
Government and agency securities	20		—		—		20
Time deposits and other	765		—		—		765
Equity instruments	8		630		—		638
	$	1,958	$	633	$	—	$	2,591
Long-term investments:
Corporate debt securities	2,615		54		—		2,669
Government and agency securities	41		1		—		42
	$	2,656	$	55	$	—	$	2,711

	December 31, 2011
	Gross Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In millions)
Short-term investments:
Restricted cash	$	19	$	—	$	—		$	19
Corporate debt securities	448		1		—			449
Government and agency securities	42		—		—			42
Time deposits and other	82		—		—			82
Equity instruments	8		638		—			646
	$	599	$	639	$	—		$	1,238
Long-term investments:
Restricted cash	$	1	$	—	$	—		$	1
Corporate debt securities	2,238		6		(58		)	2,186
Government and agency securities	70		1		—			71
	$	2,309	$	7	$	(58	)	$	2,258

Estimated fair values of short and long-term investments classified by date of contractual maturity

	December 31, 2012
	(In millions)
One year or less (including restricted cash of $15)	$	2,591
One year through two years	1,016
Two years through three years	493
Three years through four years	766
Four years through five years	420
Five years through six years	16
	$	5,302