Segment Information, Segment Assets (Details 1) (USD $) In Millions, unless otherwise specified	Feb. 01, 2013	Feb. 03, 2012
Segment Assets
Assets	$ 47,540	$ 44,533
Corporate
Segment Assets
Assets	40,247	37,575
Large Enterprise
Segment Assets
Assets	3,054	2,729
Public
Segment Assets
Assets	1,940	1,873
Small and Medium Business
Segment Assets
Assets	1,161	1,107
Consumer
Segment Assets
Assets	$ 1,138	$ 1,249