Financing Arrangements (Details Textuals) (USD $)	12 Months Ended			1 Months Ended		3 Months Ended	1 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	May 31, 2013	Aug. 31, 2010	Dec. 28, 2014	Oct. 27, 2013	Jul. 23, 2014	Oct. 23, 2013
Convertible Bond Hedge
Transaction cost of convertible bond hedge accounted for equity transaction	$ 0	$ 331,650,000	$ 0
Warrants
Proceeds from sale of warrants	0	217,800,000	0
Temporary Conversion Obligation [Abstract]
Convertible short-term debt conversion obligation	127,143,000	0				127,143,000
Share Price	$ 101.31					$ 101.31		$ 94.35
1% Sr. Convertible Notes due 2013 [Member]
Debt Instrument Details
Debt Instrument, Interest Rate, Effective Percentage		7.40%	7.40%
Convertible Senior Notes, due date				May 15, 2013
Debt Conversion
Extinguishment of Debt, Amount				928,100,000
Interest Payable				4,600,000
Warrants
Number of warrants exercised		0
1.5% Sr. Convertible Notes due 2017 [Member]
Debt Instrument Details
Convertible debt, par value	996,788,000	1,000,000,000			1,000,000,000	996,788,000
Debt Instrument, Interest Rate, Effective Percentage	6.85%	6.85%	6.85%		6.85%	6.85%
Convertible Senior Notes, issuance date					Aug. 20, 2010
Convertible Senior Notes, due date					Aug. 15, 2017
Convertible senior notes, interest rate					1.50%
Conversion rate, number of share converted					19.0931	19.4714
Conversion of notes, base conversion price					1,000	1,000
Debt Instrument, Convertible, Conversion Shares	19,400,000				19,100,000	19,400,000
Conversion price per share	$ 51.36				$ 52.37	$ 51.36
Debt Carrying Value Information
Net proceeds from the offering of the Notes due					981,000,000
Principal amount of the liability component					706,000,000
Carrying value of the equity component					294,000,000
Debt Instrument, Unamortized Bond Discount	127,143,000	170,208,000				127,143,000
Remaining amortization period of convertible debt	2 years 8 months
Debt Issuance Costs
Debt Related Commitment Fees and Debt Issuance Costs					18,700,000
Adjustment To Additional Paid In Capital Debt Issuance Cost					5,500,000
Convertible note issuance costs	4,900,000				13,200,000	4,900,000
Debt Conversion
Debt Conversion, Converted Instrument, Shares Issued	26,626
Total loss on early extinguishment of debt before tax	400,000
Convertible Bond Hedge
Bond hedge options, exercise price	$ 51.36				$ 52.37
Number of shares an entity can purchase from counterparties	19,400,000				19,100,000
Transaction cost of convertible bond hedge accounted for equity transaction					292,900,000
Tax benefit from deferred tax asset related to convertible bond hedge					1,700,000
Warrants
Exercise price of warrants	$ 71.9005				$ 73.3250	$ 71.9005
Number of shares counterparties can purchase from entity	19,500,000				19,100,000
Proceeds from sale of warrants					188,100,000
Number of warrants exercised	0					0
Temporary Conversion Obligation [Abstract]
Temporary Equity, Par Value	(127,100,000)					(127,100,000)
Debt Instrument, Convertible, If-Converted Shares for Value in Excess of Principal	9,600,000					9,600,000
1.5% Sr. Convertible Notes due 2017 [Member] | Shares, Whole [Member]
Convertible Bond Hedge
Number of shares purchased under bond hedge	26,622					26,622
1.5% Sr. Convertible Notes due 2017 [Member] | Settled, Current and Past Period [Member]
Debt Conversion
Conversion of Debt Amount	(3,212,000)					(3,212,000)
Extinguishment of Debt, Amount	3,200,000
1.5% Sr. Convertible Notes due 2017 [Member] | Settled, Future Period [Member]
Debt Conversion
Conversion of Debt Amount	46,000					46,000
0.5% Sr. Convertible Notes due 2020 [Member]
Debt Instrument Details
Convertible debt, par value	1,500,000,000	1,500,000,000				1,500,000,000			1,500,000,000
Debt Instrument, Interest Rate, Effective Percentage	4.43%	4.43%				4.43%			4.43%
Convertible Senior Notes, issuance date							Oct. 29, 2013
Convertible Senior Notes, due date							Oct. 15, 2020
Convertible senior notes, interest rate									0.50%
Conversion rate, number of share converted						10.8647	10.8470
Conversion of notes, base conversion price						1,000	1,000
Debt Instrument, Convertible, Conversion Shares	16,300,000					16,300,000			16,300,000
Conversion price per share	$ 92.04					$ 92.04			$ 92.19
Debt Carrying Value Information
Net proceeds from the offering of the Notes due							1,480,000,000
Principal amount of the liability component									1,150,000,000
Carrying value of the equity component	352,000,000					352,000,000
Debt Instrument, Unamortized Bond Discount	300,304,000	344,429,000				300,304,000
Remaining amortization period of convertible debt	5 years 10 months
Debt Issuance Costs
Debt Related Commitment Fees and Debt Issuance Costs							17,600,000
Adjustment To Additional Paid In Capital Debt Issuance Cost							4,100,000
Convertible note issuance costs	11,200,000					11,200,000			13,500,000
Convertible Bond Hedge
Bond hedge options, exercise price	$ 92.04						$ 92.19
Number of shares an entity can purchase from counterparties	16,300,000						16,300,000
Transaction cost of convertible bond hedge accounted for equity transaction							331,700,000
Tax benefit from deferred tax asset related to convertible bond hedge							119,500,000
Number of shares purchased under bond hedge	0					0
Warrants
Exercise price of warrants	$ 122.7218					$ 122.7218			$ 122.9220
Number of shares counterparties can purchase from entity	16,300,000						16,300,000
Proceeds from sale of warrants							$ 217,800,000
Number of warrants exercised	0					0