Consolidated Statements of Operations (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Revenue	$ 6,627,701,000	$ 6,170,003,000	$ 5,052,509,000
Cost of revenue	3,458,954,000	3,252,988,000	3,326,747,000
Amortization of acquisition-related intangible assets	100,899,000	49,532,000	42,542,000
Total cost of revenue	3,559,853,000	3,302,520,000	3,369,289,000
Gross profit	3,067,848,000	2,867,483,000	1,683,220,000
Operating expenses:
Research and development	852,310,000	742,268,000	602,765,000
Sales and marketing	383,288,000	276,312,000	224,054,000
General and administrative	214,902,000	192,310,000	150,401,000
Amortization of acquisition-related intangible assets	26,423,000	11,155,000	9,045,000
Impairment of acquisition-related intangible assets	0	83,228,000	860,000
Restructuring and other	32,991,000	0	0
Total operating expenses	1,509,914,000	1,305,273,000	987,125,000
Operating income	1,557,934,000	1,562,210,000	696,095,000
Interest income	51,811,000	48,785,000	58,991,000
Gain (loss) on investments	4,763,000	3,219,000	(7,762,000)
Interest (expense) and other income (expense), net	(125,478,000)	(98,065,000)	(120,408,000)
Total other income (expense), net	(68,904,000)	(46,061,000)	(69,179,000)
Income before income taxes	1,489,030,000	1,516,149,000	626,916,000
Provision for income taxes	481,584,000	473,492,000	209,512,000
Net income	$ 1,007,446,000	$ 1,042,657,000	$ 417,404,000
Net income per share:
Basic	$ 4.52	$ 4.44	$ 1.72
Diluted	$ 4.23	$ 4.34	$ 1.70
Shares used in computing net income per share:
Basic	222,714	234,886	242,076
Diluted	238,209	240,236	245,253
Cash dividends declared per share	$ 1.05	$ 0.45	$ 0