Segment Information, Products and Services (Details 2) (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
Segments
Net Revenue:
Revenues	14,909	14,849	29,326	29,608
Internal revenue
Net Revenue:
Revenues	395	366	738	703
End-User Computing
Net Revenue:
Revenues	8,899	9,353	17,613	18,985
End-User Computing | Segments
Net Revenue:
Revenues	9,139	9,571	18,059	19,403
End-User Computing | Segments | Desktops and thin client
Net Revenue:
Revenues	3,550	3,504	6,823	6,839
End-User Computing | Segments | Mobility
Net Revenue:
Revenues	3,569	3,946	7,187	8,274
End-User Computing | Segments | Third-party software and peripherals
Net Revenue:
Revenues	2,020	2,121	4,049	4,290
End-User Computing | Internal revenue
Net Revenue:
Revenues	240	218	446	418
Enterprise Solutions Group
Net Revenue:
Revenues	3,173	2,941	6,132	5,622
Enterprise Solutions Group | Segments
Net Revenue:
Revenues	3,324	3,086	6,417	5,902
Enterprise Solutions Group | Segments | Servers, peripherals, and networking
Net Revenue:
Revenues	2,892	2,622	5,561	4,965
Enterprise Solutions Group | Segments | Storage
Net Revenue:
Revenues	432	464	856	937
Enterprise Solutions Group | Internal revenue
Net Revenue:
Revenues	151	145	285	280
Dell Software Group
Net Revenue:
Revenues	310	95	605	133
Dell Software Group | Segments
Net Revenue:
Revenues	310	95	605	133
Dell Software Group | Internal revenue
Net Revenue:
Revenues	0	0	0	0
Dell Services
Net Revenue:
Revenues	2,132	2,094	4,238	4,165
Dell Services | Segments
Net Revenue:
Revenues	2,136	2,097	4,245	4,170
Dell Services | Segments | Support and deployment
Net Revenue:
Revenues	1,223	1,192	2,425	2,368
Dell Services | Segments | Infrastructure, cloud, and security
Net Revenue:
Revenues	601	574	1,213	1,124
Dell Services | Segments | Applications and business process
Net Revenue:
Revenues	312	331	607	678
Dell Services | Internal revenue
Net Revenue:
Revenues	$ 4	$ 3	$ 7	$ 5