Condensed Consolidated Statements Of Operations (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Sep. 25, 2010	Oct. 01, 2011	Sep. 25, 2010
Condensed Consolidated Statements Of Operations [Abstract]
Net revenue	$ 1,690	$ 1,618	$ 4,877	$ 4,845
Cost of sales	934	879	2,710	2,627
Gross margin	756	739	2,167	2,218
Research and development	361	359	1,095	1,053
Marketing, general and administrative	249	236	749	684
Amortization of acquired intangible assets	8	16	26	50
Restructuring reversals				(4)
Operating income	138	128	297	435
Interest income	3	3	8	9
Interest expense	(42)	(56)	(137)	(160)
Other income (expense), net	(7)	(6)	8	297
Income before equity income (loss) and dilution gain in investee and income taxes	92	69	176	581
Provision (benefit) for income taxes	(5)	1		(4)
Equity income (loss) and dilution gain in investee, net		(186)	492	(489)
Net income (loss)	$ 97	$ (118)	$ 668	$ 96
Net income (loss) per share
Basic	$ 0.13	$ (0.17)	$ 0.92	$ 0.13
Diluted	$ 0.13	$ (0.17)	$ 0.90	$ 0.13
Shares used in per share calculation
Basic	729	713	725	710
Diluted	741	713	742	732