Segment Information, Segment Depreciation Expense (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011
Depreciation expense	$ 531	$ 545	$ 621
Large Enterprise
Depreciation expense	166	162	180
Public
Depreciation expense	138	145	170
Small and Medium Business
Depreciation expense	125	133	146
Consumer
Depreciation expense	$ 102	$ 105	$ 125