Segment Information, Revenue by Product and Service Categories (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 01, 2013	Nov. 02, 2012	Aug. 03, 2012	May 04, 2012	Feb. 03, 2012	Oct. 28, 2011	Jul. 29, 2011	Apr. 29, 2011	Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011
Net Revenue by product and services categories
Total net revenue	$ 14,314	$ 13,721	$ 14,483	$ 14,422	$ 16,031	$ 15,365	$ 15,658	$ 15,017	$ 56,940	$ 62,071	$ 61,494
Servers and networking
Net Revenue by product and services categories
Total net revenue									9,294	8,336	7,609
Storage
Net Revenue by product and services categories
Total net revenue									1,699	1,943	2,295
Services
Net Revenue by product and services categories
Total net revenue									8,396	8,322	7,673
Third-party software and peripherals
Net Revenue by product and services categories
Total net revenue									9,257	10,222	10,261
Mobility
Net Revenue by product and services categories
Total net revenue									15,303	19,104	18,971
Desktop PCs
Net Revenue by product and services categories
Total net revenue									$ 12,991	$ 14,144	$ 14,685