Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	Oct. 01, 2017	Jan. 01, 2017
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	$ 11,678	$ 10,331
Total intangible assets - net	54,569	26,876
Trademarks
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	7,093	6,888
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	4,585	3,443
Patents And Trademarks
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	36,342	10,521
Less accumulated amortization	6,395	5,076
Finite-Lived Intangible Assets, Net	29,947	5,445
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	20,241	17,615
Less accumulated amortization	7,297	6,515
Finite-Lived Intangible Assets, Net	$ 12,944	$ 11,100