Operating Segments Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Schedule Of Segment Reporting Information [Abstract]
Net revenue	$ 13,195	$ 13,831	$ 25,976	$ 26,595
Operating income (loss)	2,896	3,844	5,511	6,354
Client Computing Group [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	7,537	8,718	14,957	16,815
Operating income (loss)	1,602	2,586	3,012	4,433
Client Computing Group [Member] | Platform [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	7,124	8,323	14,173	15,995
Client Computing Group [Member] | Other [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	413	395	784	820
Data Center Group [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	3,850	3,509	7,529	6,596
Operating income (loss)	1,843	1,842	3,544	3,178
Data Center Group [Member] | Platform [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	3,579	3,254	6,998	6,105
Data Center Group [Member] | Other [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	271	255	531	491
Internet of Things Group [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	559	539	1,092	1,021
Operating income (loss)	145	146	232	261
Internet of Things Group [Member] | Platform [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	487	454	949	864
Internet of Things Group [Member] | Other [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	72	85	143	157
Software and services operating segments [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	534	548	1,068	1,101
Operating income (loss)	14	19	17	27
All other [Member]
Schedule Of Segment Reporting Information [Abstract]
Net revenue	715	517	1,330	1,062
Operating income (loss)	$ (708)	$ (749)	$ (1,294)	$ (1,545)