Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Debt Instrument [Line Items]
Debt	$ 3,355	$ 3,080
Less: current debt obligations	522	530
Long-term debt	2,833	2,550
2.20% Senior Notes Due 2013 [Member]
Debt Instrument [Line Items]
Debt	453	454
3.75% Senior Notes Due 2014 [Member]
Debt Instrument [Line Items]
Debt	700	699
2.50% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Debt	516	518
4.875% Senior Notes Due Two Thousand Nineteen [Member]
Debt Instrument [Line Items]
Debt	496	496
1.58% Yen-Denominated Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Debt	86	95
2.04% Yen-Denominated Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Debt	135	149
Yen-denominated credit facility
Debt Instrument [Line Items]
Debt	69	76
Commercial paper borrowings [Member]
Debt Instrument [Line Items]
Debt	$ 900	$ 593