Goodwill And Other Intangible Assets (Schedule Of Gross Carrying Amount Of Other Intangible Assets And Related Accumulated Amortization) (Details) (USD $) In Millions, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 982	$ 1,032
Accumulated Amortization	382	386
Indefinite-lived intangible assets	277	158
Purchased Technology And Patents [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	934	947
Accumulated Amortization	354	336
Customer Lists And Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	22	57
Accumulated Amortization	15	36
Trademarks and Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	22	22
Accumulated Amortization	11	10
Licenses, Distribution Agreements And Other [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	4	6
Accumulated Amortization	2	4
In Process Research and Development [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	228	109
Trademarks and Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 49	$ 49