Financing Arrangements (Details Textuals) (USD $)			1 Months Ended		1 Months Ended	3 Months Ended	6 Months Ended			1 Months Ended	6 Months Ended
	Jun. 29, 2014	Dec. 29, 2013	May 31, 2013 1% Sr. Convertible Notes due 2013 [Member]	May 15, 2013 1% Sr. Convertible Notes due 2013 [Member]	Aug. 31, 2010 1.5% Sr. Convertible Notes due 2017 [Member]	Jun. 29, 2014 1.5% Sr. Convertible Notes due 2017 [Member]	Jun. 29, 2014 1.5% Sr. Convertible Notes due 2017 [Member]	Dec. 29, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Jun. 30, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Oct. 27, 2013 0.5% Sr. Convertible Notes due 2020 [Member]	Jun. 29, 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]
Debt Instrument Details
Convertible debt, par value	$ 850,874,000	$ 0			$ 1,000,000,000	$ 1,000,000,000.0	$ 1,000,000,000.0	$ 1,000,000,000.0			$ 1,500,000,000	$ 1,500,000,000	$ 1,500,000,000
Debt Instrument, Interest Rate, Effective Percentage					6.85%	6.85%	6.85%		6.85%		4.43%		4.43%
Convertible Senior Notes, issuance date					Aug. 20, 2010					Oct. 29, 2013
Convertible Senior Notes, due date			May 15, 2013		Aug. 15, 2017					Oct. 15, 2020
Convertible senior notes, interest rate					1.50%								0.50%
Conversion rate, number of share converted					19.0931	19.3448				10.8470
Conversion of notes, base conversion price					1,000	1,000				1,000
Conversion price per share					$ 52.37	$ 51.69	$ 51.69						$ 92.19
Net proceeds from the offering of the Notes due					981,000,000					1,480,000,000
Principal amount of the liability component					706,000,000								1,150,000,000
Carrying value of the equity component					294,000,000	144,900,000	144,900,000	294,000,000			352,000,000		352,000,000
Debt Instrument, Unamortized Bond Discount						149,126,000	149,126,000	170,208,000			322,727,000	344,429,000
Remaining amortization period of convertible debt							3 years 2 months				6 years 4 months
Unamortized Debt Issuance Expense	12,166,000	20,612,000
Conversion Information
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger						130.00%
Debt Redemption
Extinguishment of Debt, Amount			928,100,000
Interest Payable			4,600,000
Warrants
Exercise price of warrants					73.3250	72.3712	72.3712						122.9220
Number of shares counterparties can purchase from entity					19,100,000		19,300,000			16,300,000
Expiry period of Warrants							40 different dates from November 13, 2017 through January 10, 2018			40 different dates from January 13, 2021 through March 11, 2021
Number of warrants exercised				0		0	0				0
Convertible Bond Hedge
Bond hedge options, exercise price					$ 52.37	$ 51.69				$ 92.19
Number of shares an entity can purchase from counterparties					19,100,000	19,300,000				16,300,000
Number of shares purchased under bond hedge				0		0	0				0
Temporary Conversion Obligation [Abstract]
Convertible short-term debt conversion obligation	$ 149,126,000	$ 0				$ 149,100,000	$ 149,100,000
Share Price						$ 102.74	$ 102.74
Debt Instrument, Convertible, If-Converted Shares for Value in Excess of Principal						9,600,000	9,600,000