Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Debt Instrument [Line Items]
Debt	$ 3,613	$ 3,080
Less: current debt obligations	518	530
Long-term debt	3,095	2,550
2.20% Senior Notes Due 2013 [Member]
Debt Instrument [Line Items]
Debt	451	454
Three point seven five percent Senior Notes Due Two Thousand Fourteen [Member]
Debt Instrument [Line Items]
Debt	0	699
Two point five percent Senior Notes Due Two Thousand Sixteen [Member]
Debt Instrument [Line Items]
Debt	515	518
Four point eight seven five percent Senior Notes Due Two Thousand Nineteen [Member]
Debt Instrument [Line Items]
Debt	0	496
Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member]
Debt Instrument [Line Items]
Debt	896	0
Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member]
Debt Instrument [Line Items]
Debt	695	0
Term loan due 2015 [Member]
Debt Instrument [Line Items]
Debt	500	0
1.58% Yen-Denominated Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Debt	83	95
2.04% Yen-Denominated Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Debt	131	149
Yen Denominated Credit Facilities [Member]
Debt Instrument [Line Items]
Debt	67	76
Commercial paper borrowings [Member]
Debt Instrument [Line Items]
Debt	$ 275	$ 593