Product Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Revenue from External Customer [Line Items]
Net revenue	$ 16,505	$ 16,962	$ 32,566	$ 33,028
Desktop Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	2,767	2,954	5,653	5,861
Notebook Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	5,136	5,086	10,063	9,775
DCG Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	4,553	5,100	9,035	9,924
Other Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	22	25	33	44
Platform [Member]
Revenue from External Customer [Line Items]
Net revenue	13,369	13,910	26,500	27,068
Other Product Or Service [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 3,136	$ 3,052	$ 6,066	$ 5,960