Product Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Revenue from External Customer [Line Items]
Net revenue	$ 19,828	$ 16,061
DCG platform
Revenue from External Customer [Line Items]
Net revenue	6,427	4,482
IOTG platform
Revenue from External Customer [Line Items]
Net revenue	795	825
CCG Desktop platform
Revenue from External Customer [Line Items]
Net revenue	2,840	2,886
CCG Notebook platform
Revenue from External Customer [Line Items]
Net revenue	5,857	4,926
Other platform
Revenue from External Customer [Line Items]
Net revenue	15	12
Platform
Revenue from External Customer [Line Items]
Net revenue	15,934	13,131
Adjacent revenue
Revenue from External Customer [Line Items]
Net revenue	$ 3,894	$ 2,930