Goodwill and Intangible Assets, Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Feb. 01, 2013	Feb. 03, 2012
Intangible assets associated with completed acquisitions
Gross Carrying Amount	$ 4,931	$ 2,876
Accumulated Amortization	(1,661)	(1,079)
Amortizable intangible assets	3,270	1,797
Intangible Assets Gross Excluding Goodwill	5,035	2,936
Net Carrying Amount	3,374	1,857
Customer relationships
Intangible assets associated with completed acquisitions
Gross Carrying Amount	2,184	1,569
Accumulated Amortization	(721)	(506)
Net Carrying Amount	1,463	1,063
Technology
Intangible assets associated with completed acquisitions
Gross Carrying Amount	2,513	1,156
Accumulated Amortization	(827)	(490)
Net Carrying Amount	1,686	666
Non-compete agreements
Intangible assets associated with completed acquisitions
Gross Carrying Amount	75	70
Accumulated Amortization	(54)	(42)
Net Carrying Amount	21	28
Trade names
Intangible assets associated with completed acquisitions
Gross Carrying Amount	159	81
Accumulated Amortization	(59)	(41)
Net Carrying Amount	100	40
In-process research and development
Intangible assets associated with completed acquisitions
Indefinite lived intangible assets	78	34
Indefinite lived intangible assets
Intangible assets associated with completed acquisitions
Indefinite lived intangible assets	$ 26	$ 26