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Document and Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Feb. 01, 2013
Mar. 06, 2013
Aug. 03, 2012
Document and Entity Information [Abstract]      
Entity Registrant Name DELL INC    
Entity Central Index Key 0000826083    
Document Type 10-K    
Document Fiscal Period Focus FY    
Document Period End Date Feb. 01, 2013    
Amendment Flag false    
Document Fiscal Year Focus 2013    
Current Fiscal Year End Date --02-01    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 17.1
Entity Common Stock Shares Outstanding   1,747,220,324