v2.4.0.6
Document and Entity Information Document (USD $)
9 Months Ended
Jun. 02, 2011
Jul. 05, 2011
Mar. 04, 2010
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-Q    
Document Period End Date Jun. 02, 2011    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q3    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   1,003,980,834  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 6,100,000,000