Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Cash flows from operating activities:
Net income	$ 1,007,446,000	$ 1,042,657,000	$ 417,404,000
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes	(7,915,000)	527,000	34,368,000
Depreciation	254,271,000	226,334,000	161,949,000
Amortization	324,231,000	237,731,000	254,352,000
Provision for doubtful accounts	857,000	2,167,000	1,452,000
Share‑based compensation expense	155,313,000	99,756,000	78,443,000
Excess tax benefit from share-based plans	(44,919,000)	(27,198,000)	(16,015,000)
Impairment and other	6,790,000	75,561,000	(17,350,000)
Other non-operating	636,000	(792,000)	9,424,000
Changes in operating assets and liabilities:
Accounts receivable, net	(118,606,000)	(51,125,000)	(68,070,000)
Inventory	136,442,000	23,310,000	(71,260,000)
Other assets	37,738,000	147,713,000	(84,579,000)
Accounts payable trade	37,380,000	16,377,000	(4,124,000)
Accounts payable to related parties	(10,913,000)	(67,842,000)	(61,469,000)
Other liabilities	(80,303,000)	138,496,000	(104,671,000)
Total adjustments	691,002,000	821,015,000	112,450,000
Net cash provided by operating activities	1,698,448,000	1,863,672,000	529,854,000
Cash flows from investing activities:
Purchases of short and long-term marketable securities	(4,106,494,000)	(4,925,520,000)	(3,178,660,000)
Proceeds from sales of short and long-term marketable securities	4,114,712,000	3,701,528,000	2,197,302,000
Proceeds from maturities of short and long-term marketable securities	772,882,000	751,900,000	650,060,000
Acquisition of property and equipment, net	(232,786,000)	(213,415,000)	(487,973,000)
Investment in Flash Ventures	(24,296,000)	(12,342,000)	(50,439,000)
Notes receivable issuances to Flash Ventures	(181,481,000)	(37,099,000)	(142,316,000)
Notes receivable proceeds from Flash Ventures	231,409,000	124,765,000	511,289,000
Purchased technology and other assets	(24,837,000)	(8,377,000)	(4,000,000)
Acquisitions, net of cash acquired	(1,063,798,000)	(304,320,000)	(69,629,000)
Net cash used in investing activities	(514,689,000)	(922,880,000)	(574,366,000)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes, net of issuance costs	0	1,483,125,000	0
Purchase of convertible bond hedge	0	(331,650,000)	0
Proceeds from sale of warrants	0	217,800,000	0
Repayment of debt financing	(3,212,000)	(928,061,000)	0
Distribution to non-controlling interests	0	(87,000)	0
Proceeds from employee stock programs	181,486,000	266,044,000	86,302,000
Excess tax benefit from share-based plans	44,919,000	27,198,000	16,015,000
Dividends paid	(234,565,000)	(101,191,000)	0
Stock repurchases	(1,341,476,000)	(1,589,539,000)	(230,081,000)
Net cash received for share repurchase contracts	0	0	2,675,000
Net cash used in financing activities	(1,352,848,000)	(956,361,000)	(125,089,000)
Effect of changes in foreign currency exchange rates on cash	(8,154,000)	6,345,000	(2,425,000)
Net decrease in cash and cash equivalents	(177,243,000)	(9,224,000)	(172,026,000)
Cash and cash equivalents at beginning of year	986,246,000	995,470,000	1,167,496,000
Cash and cash equivalents at end of year	809,003,000	986,246,000	995,470,000
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net of refunds	(433,959,000)	(373,183,000)	(360,688,000)
Cash paid for interest expense	$ (22,349,000)	$ (20,403,000)	$ (24,957,000)