Commitments, Contingencies and Guarantees-JV (Details Textual 1)	6 Months Ended			3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended				6 Months Ended
	Jun. 29, 2014 USD ($)		Dec. 29, 2013 USD ($)	Jun. 29, 2014 Flash Partners Ltd [Member] USD ($)	Jun. 30, 2013 Flash Partners Ltd [Member] USD ($)	Jun. 29, 2014 Flash Partners Ltd [Member] USD ($)	Jun. 30, 2013 Flash Partners Ltd [Member] USD ($)	Jun. 29, 2014 Flash Partners Ltd [Member] JPY (¥)	Dec. 29, 2013 Flash Partners Ltd [Member] USD ($)	Jun. 29, 2014 Flash Alliance Ltd [Member] USD ($)	Jun. 30, 2013 Flash Alliance Ltd [Member] USD ($)	Jun. 29, 2014 Flash Alliance Ltd [Member] USD ($)	Jun. 30, 2013 Flash Alliance Ltd [Member] USD ($)	Jun. 29, 2014 Flash Alliance Ltd [Member] JPY (¥)	Dec. 29, 2013 Flash Alliance Ltd [Member] USD ($)	Jun. 29, 2014 Flash Forward Ltd [Member] USD ($)	Jun. 29, 2014 Flash Forward Ltd [Member] JPY (¥)	Dec. 29, 2013 Flash Forward Ltd [Member] USD ($)	Jun. 29, 2014 Flash Ventures [Member] USD ($)	Jun. 29, 2014 Flash Ventures [Member] JPY (¥)	Jun. 29, 2014 Flash Ventures [Member] SanDisk Corporation [Member]	Jun. 29, 2014 Flash Ventures [Member] Toshiba Corporation [Member]
Venture Ownership
Firm's ownership in business venture																					49.90%
Partner's ownership in venture business																						50.10%
Venture Origination Year						Sep. 10, 2004						Jul. 07, 2006				Jul. 13, 2010	Jul. 13, 2010
Equity Investments
Notes Receivable, Related Parties, Noncurrent				$ 29,600,000		$ 29,600,000				$ 320,500,000		$ 320,500,000				$ 239,100,000
Equity investment in business venture				197,400,000		197,400,000			190,700,000	294,700,000		294,700,000			284,000,000	93,800,000		66,700,000
Cumulative translation adjustments	(10,093,000)		(47,440,000)	24,000,000		24,000,000			17,300,000	1,200,000		1,200,000			(8,700,000)	(13,500,000)		(16,200,000)
Equity Method Investment Difference Between Carrying Amount And Underlying Equity (Basis Adjustment)				0	300,000	0	600,000			0	2,100,000	0	5,000,000
Master Lease Agreements
Joint Venture Master Equipment Lease Agreement Amount																			1,890,000,000	191,200,000,000
Joint Venture Master Equipment Lease Agreement Outstanding Amount																			1,170,000,000	118,900,000,000
Guarantee of Flash Ventures equipment leases	586,066,000	[1]	492,000,000	123,404,000		123,404,000		12,500,000,000		288,974,000		288,974,000		29,300,000,000		173,688,000	17,600,000,000		586,066,000	59,400,000,000
Master Lease Covenants
Joint Venture Master Equipment Lease Agreement Guarantor Equity Covenant																			1,510,000,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	7,150,780,000		6,965,691,000
Tax Commitment
Unrecognized tax benefits from the contractual obligation	198,900,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 185,000,000		$ 185,300,000

[1] The Company’s guarantee obligation, net of cumulative lease payments, was 59.4 billion Japanese yen, or approximately $586 million based upon the exchange rate at June 29, 2014.