Intangible Assets and Goodwill (Details) (USD $) In Millions, unless otherwise specified	Jun. 29, 2014	Dec. 29, 2013
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	$ 8,724	$ 8,774
Total intangible assets - net	27,122	27,947
Trademarks
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	7,607	7,619
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	1,117	1,155
Patents And Trademarks
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	9,162	9,164
Less accumulated amortization	4,545	4,146
Finite-Lived Intangible Assets, Net	4,617	5,018
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	18,827	19,027
Less accumulated amortization	5,046	4,872
Finite-Lived Intangible Assets, Net	$ 13,781	$ 14,155