Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 03, 2012	Jan. 28, 2011
Goodwill Allocated To Company Business Segments
Balance at beginning of period	$ 4,365	$ 4,074
Goodwill acquired during the period	1,479	284
Adjustments	(6)	7
Balance at end of period	5,838	4,365
Large Enterprise
Goodwill Allocated To Company Business Segments
Balance at beginning of period	1,424	1,361
Goodwill acquired during the period	800	62
Adjustments	(2)	1
Balance at end of period	2,222	1,424
Public
Goodwill Allocated To Company Business Segments
Balance at beginning of period	2,164	2,026
Goodwill acquired during the period	386	135
Adjustments	(3)	3
Balance at end of period	2,547	2,164
Small and Medium Business
Goodwill Allocated To Company Business Segments
Balance at beginning of period	476	389
Goodwill acquired during the period	287	87
Adjustments	(4)	0
Balance at end of period	759	476
Consumer
Goodwill Allocated To Company Business Segments
Balance at beginning of period	301	298
Goodwill acquired during the period	6	0
Adjustments	3	3
Balance at end of period	$ 310	$ 301