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	Sep. 27, 2014	Dec. 28, 2013
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,173	$ 1,032
Accumulated Amortization	481	418
Indefinite-lived intangible assets	214	297
In Process Research and Development [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	187	262
Trademarks and Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets	27	35
Purchased Technology And Patents [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	1,125	986
Accumulated Amortization	452	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	13	11
Licenses, Distribution Agreements And Other [Member]
Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount	6	4
Accumulated Amortization	$ 2	$ 1