Supplemental Financial Information (Details) (USD $) In Millions, unless otherwise specified	May 03, 2013	Feb. 01, 2013	May 04, 2012	Feb. 03, 2012
Inventories, net:
Production materials	$ 614	$ 593
Work-in-process	311	283
Finished goods	462	506
Total	1,387	1,382
Deferred revenue:
Deferred extended warranty revenue	6,982	7,048	7,044	7,002
Deferred revenue	8,228	8,344
Short-term deferred revenue	4,265	4,373
Long-term deferred revenue	3,963	3,971
Other deferred services revenue
Deferred revenue:
Deferred revenue	420	497
Total deferred services revenue
Deferred revenue:
Deferred revenue	7,402	7,545
Deferred revenue - Dell software
Deferred revenue:
Deferred revenue	650	607
Other deferred revenue
Deferred revenue:
Deferred revenue	$ 176	$ 192