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. 28, 2014	Dec. 28, 2013
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,088	$ 1,032
Accumulated Amortization	460	418
Indefinite-lived intangible assets	240	297
In Process Research and Development [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	205	262
Trademarks and Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	35	35
Purchased Technology And Patents [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	1,042	986
Accumulated Amortization	432	393
Customer Lists And Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	20	20
Accumulated Amortization	14	13
Trademarks and Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	22	22
Accumulated Amortization	12	11
Licenses, Distribution Agreements And Other [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	4	4
Accumulated Amortization	$ 2	$ 1