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Document and Entity Information
6 Months Ended
Aug. 03, 2012
Aug. 23, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name DELL INC  
Entity Central Index Key 0000826083  
Document Type 10-Q  
Document Fiscal Period Focus Q2  
Document Period End Date Aug. 03, 2012  
Amendment Flag false  
Document Fiscal Year Focus 2013  
Current Fiscal Year End Date --02-01  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock Shares Outstanding   1,734,603,452