Goodwill and Intangible Assets, Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Aug. 02, 2013	Feb. 01, 2013
Intangible assets associated with completed acquisitions
Gross Carrying Amount	$ 4,925	$ 4,931
Accumulated Amortization	(2,039)	(1,661)
Amortizable intangible assets	2,886	3,270
Intangible Assets Gross Excluding Goodwill	5,029	5,035
Net Carrying Amount	2,990	3,374
Customer relationships
Intangible assets associated with completed acquisitions
Gross Carrying Amount	2,181	2,184
Accumulated Amortization	(861)	(721)
Net Carrying Amount	1,320	1,463
Technology
Intangible assets associated with completed acquisitions
Gross Carrying Amount	2,511	2,513
Accumulated Amortization	(1,047)	(827)
Net Carrying Amount	1,464	1,686
Non-compete agreements
Intangible assets associated with completed acquisitions
Gross Carrying Amount	75	75
Accumulated Amortization	(60)	(54)
Net Carrying Amount	15	21
Trade names
Intangible assets associated with completed acquisitions
Gross Carrying Amount	158	159
Accumulated Amortization	(71)	(59)
Net Carrying Amount	87	100
In-process research and development
Intangible assets associated with completed acquisitions
Indefinite lived intangible assets	78	78
Indefinite lived intangible assets
Intangible assets associated with completed acquisitions
Indefinite lived intangible assets	$ 26	$ 26