Financing Arrangements (Details Textuals) (USD $)			1 Months Ended			1 Months Ended	3 Months Ended		1 Months Ended	3 Months Ended
	Mar. 30, 2014	Dec. 29, 2013	May 31, 2013 1% Sr. Convertible Notes due 2013 [Member]	Mar. 30, 2014 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]	Mar. 30, 2014 1.5% Sr. Convertible Notes due 2017 [Member]	Dec. 29, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Oct. 27, 2013 0.5% Sr. Convertible Notes due 2020 [Member]	Mar. 30, 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	$ 840,180,000	$ 0				$ 1,000,000,000	$ 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				7.40%		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	19.2935		10.8470
Conversion of notes, base conversion price						1,000	1,000		1,000
Conversion price per share						$ 52.37	$ 51.83					$ 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	134,200,000	294,000,000		352,000,000		352,000,000
Debt Instrument, Unamortized Bond Discount							159,820,000	170,208,000		333,503,000	344,429,000
Remaining amortization period of convertible debt							3 years 5 months			6 years 7 months
Unamortized Debt Issuance Expense	13,283,000	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	72.5633					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
Convertible Bond Hedge
Bond hedge options, exercise price						$ 52.37	$ 51.83		$ 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
Temporary Conversion Obligation [Abstract]
Convertible short-term debt conversion obligation	$ 159,820,000	$ 0					$ 159,800,000
Share Price							$ 80.61
Debt Instrument, Convertible, If-Converted Shares for Value in Excess of Principal							6,900,000