Financing Arrangements-Carrying Value and Interest (Details 1) (USD $)	Sep. 28, 2014	Dec. 29, 2013	Sep. 28, 2014 1.5% Sr. Convertible Notes due 2017 [Member]	Dec. 29, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Aug. 31, 2010 1.5% Sr. Convertible Notes due 2017 [Member]	Sep. 28, 2014 0.5% Sr. Convertible Notes due 2020 [Member]	Dec. 29, 2013 0.5% Sr. Convertible Notes due 2020 [Member]	Oct. 23, 2013 0.5% Sr. Convertible Notes due 2020 [Member]
Carrying Value of Convertible Notes
Convertible debt, par value			$ 1,000,000,000.0	$ 1,000,000,000.0	$ 1,000,000,000	$ 1,500,000,000	$ 1,500,000,000	$ 1,500,000,000
Unamortized bond discount			(138,372,000)	(170,208,000)		(311,644,000)	(344,429,000)
Convertible debt, carrying value	2,049,984,000	1,985,363,000	861,628,000	829,792,000		1,188,356,000	1,155,571,000
Debt Summary
Convertible debt, carrying value	2,049,984,000	1,985,363,000	861,628,000	829,792,000		1,188,356,000	1,155,571,000
Less: Convertible short-term debt	861,628,000	0
Convertible long-term debt, carrying value	$ 1,188,356,000	$ 1,985,363,000