Debt Short-term Financing (Details) (USD $)	9 Months Ended
	Sep. 28, 2013
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,500,000,000
Line of Credit Facility, Expiration Date	Jul. 31, 2018
Line of Credit Facility, Interest Rate Description	The agreement calls for interest at either a LIBOR-based rate or a rate based on the prime lending rate of the agent bank, at the company’s option.
Debt, Covenant, Maximum Consolidated Total Leverage Ratio of Debt to EBITDA	3.5
Debt, Covenant, Maximum Consolidated Total Leverage Ratio of Debt to EBITDA First Six Months	5.5
Debt, Covenant, Maximum Consolidated Total Leverage Ratio Of Debt To EBITDA After Eighteen Months	3.5
Debt, Covenant, Minimum Consolidated Interest Coverage Ratio	3.0
Letters of Credit Outstanding, Amount	46,000,000
Line of Credit Facility, Amount Outstanding	0
U.S. Commercial Paper Program [Member]
Short-term Financing [Line Items]
Short-term Borrowings	$ 50,000,000