Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	Jul. 01, 2018	Dec. 31, 2017
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	$ 10,356	$ 11,283
Total intangible assets - net	50,056	53,228
Trademarks
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	6,952	7,082
Purchased In-Process Research And Development
Intangible assets with indefinite lives:
Indefinite-Lived Intangible Assets	3,404	4,201
Patents And Trademarks
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	34,823	36,427
Less accumulated amortization	8,267	7,223
Finite-Lived Intangible Assets, Net	26,556	29,204
Customer relationships and other intangible assets
Intangible assets with definite lives:
Finite-Lived Intangible Assets, Gross	21,059	20,204
Less accumulated amortization	7,915	7,463
Finite-Lived Intangible Assets, Net	$ 13,144	$ 12,741