Balance Sheet Information-AOCI (Details 8) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Other Comprehensive Income
Cost of revenue	$ (900,830,000)	$ (812,904,000)	$ (2,496,509,000)	$ (2,401,901,000)
Research and development	(223,309,000)	(183,821,000)	(626,168,000)	(526,987,000)
Provision for income taxes	(110,258,000)	(126,697,000)	(379,980,000)	(316,030,000)
Total reclassifications for the period, net of tax	(4,478,000)	(13,757,000)	(11,296,000)	(33,063,000)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Other Comprehensive Income
Interest (expense) and other income (expense), net	2,928,000	1,079,000	6,911,000	1,630,000
Provision for income taxes	(1,053,000)	(382,000)	(2,447,000)	(865,000)
Total reclassifications for the period, net of tax	1,875,000	697,000	4,464,000	765,000
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Other Comprehensive Income
Cost of revenue	(6,190,000)	(14,454,000)	(15,240,000)	(33,828,000)
Research and development	(163,000)	0	(520,000)	0
Total reclassifications for the period, net of tax	$ (6,353,000)	$ (14,454,000)	$ (15,760,000)	$ (33,828,000)