v2.4.0.6
Document and Entity Information Document (USD $)
12 Months Ended
Sep. 01, 2011
Oct. 18, 2011
Mar. 03, 2011
Entity Information [Line Items]      
Entity Registrant Name MICRON TECHNOLOGY INC    
Entity Central Index Key 0000723125    
Current Fiscal Year End Date --09-01    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Sep. 01, 2011    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   987,573,286  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 9,100,000,000