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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Aug. 31, 2023
Sep. 29, 2023
Mar. 02, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Aug. 31, 2023    
Document Transition Report false    
Entity File Number 1-10658    
Entity Registrant Name Micron Technology, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 75-1618004    
Entity Address, Address Line One 8000 S. Federal Way    
Entity Address, City or Town Boise    
Entity Address, State or Province ID    
Entity Address, Postal Zip Code 83716    
City Area Code 208    
Local Phone Number 368-4000    
Title of 12(b) Security Common Stock, par value $0.10 per share    
Trading Symbol MU    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 47.9
Entity Common Stock, Shares Outstanding   1,098,034,471  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the Proxy Statement for the registrant’s Fiscal 2023 Annual Meeting of Shareholders to be held on January 18, 2024 are incorporated by reference into Part II and Part III of this Annual Report on Form 10-K.
    
Entity Central Index Key 0000723125    
Current Fiscal Year End Date --08-31    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false