Related Parties and Strategic Investments (Details Textual) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010	Jan. 02, 2011	Oct. 02, 2011 Flash Ventures [Member]	Oct. 03, 2010 Flash Ventures [Member]	Oct. 02, 2011 Flash Ventures [Member]	Oct. 03, 2010 Flash Ventures [Member]	Jan. 02, 2011 Flash Ventures [Member]	Feb. 28, 2010 SIM Business [Member]
Related Parties and Strategic Investments (Textuals) [Abstract]
The Company purchased NAND flash memory wafers from Flash Ventures and made prepayments, investments and loans to Flash Ventures						$ 739,700,000	$ 475,700,000	$ 2,300,000,000	$ 1,410,000,000
Repayment of loan from Flash Ventures	163,400,000	59,700,000	248,500,000	59,700,000
Accounts payable balances due to related party	258,821,000		258,821,000		241,744,000	257,500,000		257,500,000		240,500,000
Sale of assets of SIM business											17,800,000
Gain on Sale of assets of SIM business											$ 13,200,000