Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2013	Aug. 03, 2012	Aug. 02, 2013	Aug. 03, 2012
Net Revenue:
Revenues	$ 14,514	$ 14,483	$ 28,588	$ 28,905
Operating income	272	901	498	1,725
Internal revenue
Net Revenue:
Revenues	395	366	738	703
Segments
Net Revenue:
Revenues	14,909	14,849	29,326	29,608
Operating income	619	1,172	1,264	2,222
End-User Computing
Net Revenue:
Revenues	8,899	9,353	17,613	18,985
End-User Computing | Internal revenue
Net Revenue:
Revenues	240	218	446	418
End-User Computing | Segments
Net Revenue:
Revenues	9,139	9,571	18,059	19,403
Operating income	205	696	429	1,335
Enterprise Solutions Group
Net Revenue:
Revenues	3,173	2,941	6,132	5,622
Enterprise Solutions Group | Internal revenue
Net Revenue:
Revenues	151	145	285	280
Enterprise Solutions Group | Segments
Net Revenue:
Revenues	3,324	3,086	6,417	5,902
Operating income	137	151	273	230
Dell Software Group
Net Revenue:
Revenues	310	95	605	133
Dell Software Group | Internal revenue
Net Revenue:
Revenues	0	0	0	0
Dell Software Group | Segments
Net Revenue:
Revenues	310	95	605	133
Operating income	(62)	(11)	(147)	(17)
Dell Services
Net Revenue:
Revenues	2,132	2,094	4,238	4,165
Dell Services | Internal revenue
Net Revenue:
Revenues	4	3	7	5
Dell Services | Segments
Net Revenue:
Revenues	2,136	2,097	4,245	4,170
Operating income	$ 339	$ 336	$ 709	$ 674