Product Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Revenue from External Customer [Line Items]
Net revenue	$ 19,163	$ 16,149	$ 52,191	$ 45,708
Desktop Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	3,225	2,967	9,087	8,598
Notebook Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	5,774	5,123	15,549	14,437
DCG Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	5,637	4,439	15,561	12,344
Other Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	879	722	2,386	2,054
Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	15,515	13,251	42,583	37,433
Other Product Or Service [Member]
Revenue from External Customer [Line Items]
Net revenue	3,648	2,898	9,608	7,741
Intel Security Group [Member] | Other Product Or Service [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 0	$ 0	$ 0	$ 534