Intangible Assets and Goodwill - Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2017	Jan. 01, 2017
Intangible assets with indefinite lives:
Indefinite lived intangible assets	$ 11,283	$ 10,331
Total intangible assets - net	53,228	26,876
Trademarks
Intangible assets with indefinite lives:
Indefinite lived intangible assets	7,082	6,888
Purchased in-process research and development
Intangible assets with indefinite lives:
Indefinite lived intangible assets	4,201	3,443
Patents And Trademarks
Intangible assets with definite lives:
Finite lived intangible assets gross	36,427	10,521
Less accumulated amortization	7,223	5,076
Finite lived intangible assets net	29,204	5,445
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite lived intangible assets gross	20,204	17,615
Less accumulated amortization	7,463	6,515
Finite lived intangible assets net	$ 12,741	$ 11,100