Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Cash flows from operating activities:
Net income	$ 417,404	$ 986,990	$ 1,300,142
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes	34,368	(74,829)	(172,327)
Depreciation	161,949	114,984	132,818
Amortization	255,212	236,976	133,731
Provision for doubtful accounts	1,452	(1,476)	(2,575)
Share-based compensation expense	78,443	63,110	77,590
Excess tax benefit from share-based plans	(16,015)	(24,895)	(29,626)
Impairments, restructuring and other	(18,366)	(49,438)	(41,505)
Other non-operating	9,580	11,614	1,284
Changes in operating assets and liabilities:
Accounts receivable from product revenues, net	(68,070)	(146,726)	(132,479)
Inventory	(71,260)	(158,534)	84,314
Other assets	5,318	(112,577)	(127,629)
Accounts payable trade	(4,124)	73,711	38,957
Accounts payable to related parties	(61,469)	34,531	59,653
Other liabilities	(194,568)	100,331	129,544
Total adjustments	112,450	66,782	151,750
Net cash provided by (used in) operating activities	529,854	1,053,772	1,451,892
Cash flows from investing activities:
Purchases of short and long-term marketable securities	(3,178,660)	(3,473,915)	(5,803,438)
Proceeds from sales of short and long-term marketable securities	2,197,302	2,849,232	2,771,840
Proceeds from maturities of short and long-term marketable securities	650,060	634,390	407,001
Acquisition of property and equipment, net	(487,973)	(192,876)	(108,142)
Investment in Flash Ventures	(50,439)	(83,316)	0
Distribution from FlashVision Ltd.	0	0	122
Notes receivable issuances to Flash Ventures	(142,316)	(399,281)	(59,880)
Notes receivable proceeds from Flash Ventures	511,289	416,388	59,664
Proceeds from sale of assets	0	0	17,767
Purchased technology and other assets	(4,000)	(100,000)	473
Acquisitions, net of cash acquired	(69,629)	(317,649)	0
Net cash provided by (used in) investing activities	(574,366)	(667,027)	(2,714,593)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes, net of issuance costs	0	0	982,500
Proceeds from sale (purchase) of convertible bond hedge	0	1,494	(292,900)
Proceeds from Issuance of Warrants	0		188,100
Payments for Repurchase of Warrants		(1,158)
Repayment of debt financing	0	(211,441)	(75,000)
Proceeds from employee stock programs	86,302	143,140	152,843
Excess tax benefit from share-based plans	16,015	24,895	29,626
Stock repurchase program	(230,081)	(4,039)	0
Net cash received for stock repurchase contracts	2,675	0	0
Net cash provided by (used in) financing activities	(125,089)	(47,109)	985,169
Effect of changes in foreign currency exchange rates on cash	(2,425)	(1,289)	6,317
Net increase (decrease) in cash and cash equivalents	(172,026)	338,347	(271,215)
Cash and cash equivalents at beginning of the period	1,167,496	829,149	1,100,364
Cash and cash equivalents at end of the period	995,470	1,167,496	829,149
Supplemental Disclosure of Cash Flow Information
Cash refunded (paid) for income taxes	(360,688)	(374,460)	(338,328)
Cash paid for interest expense	$ (24,957)	$ (26,479)	$ (12,323)