Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	Jun. 28, 2015	Dec. 28, 2014
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	$ 10,399	$ 10,105
Total intangible assets - net	27,017	27,222
Trademarks
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	7,177	7,263
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	3,222	2,842
Patents And Trademarks
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	8,428	9,074
Less accumulated amortization	4,317	4,700
Finite-Lived Intangible Assets, Net	4,111	4,374
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	17,985	17,970
Less accumulated amortization	5,478	5,227
Finite-Lived Intangible Assets, Net	$ 12,507	$ 12,743