Document and Entity Information Document - shares
9 Months Ended
May 31, 2018
Jun. 15, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name MICRON TECHNOLOGY INC  
Entity Central Index Key 0000723125  
Current Fiscal Year End Date --08-30  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date May 31, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,159,810,627