Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013
Debt Instrument [Line Items]
Total debt	$ 3,864	$ 3,580
Less: current debt obligations	810	62
Long-term debt	3,054	3,518
Loans Payable [Member] | Term loan due June 2015
Debt Instrument [Line Items]
Total debt	500	500
Loans Payable [Member] | Term loan due August 2015
Debt Instrument [Line Items]
Total debt	250	0
Senior Notes [Member] | 2.50% senior notes due 2016
Debt Instrument [Line Items]
Total debt	507	512
Senior Notes [Member] | 3.25% senior notes due 2023
Debt Instrument [Line Items]
Total debt	896	896
Senior Notes [Member] | 4.75% senior notes due 2043
Debt Instrument [Line Items]
Total debt	696	696
Senior Notes [Member] | 1.58% Yen-denominated senior notes due 2017
Debt Instrument [Line Items]
Total debt	75	78
Senior Notes [Member] | 2.04% Yen-denominated senior notes due 2020
Debt Instrument [Line Items]
Total debt	117	122
Line of Credit [Member] | Yen-denominated credit facilities
Debt Instrument [Line Items]
Total debt	60	62
Commercial Paper [Member] | Commercial paper borrowings
Debt Instrument [Line Items]
Total debt	$ 763	$ 714