Document and Entity Information Document - USD ($)	12 Months Ended
	Sep. 01, 2016	Oct. 21, 2016	Mar. 03, 2016
Document and Entity Information [Abstract]
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, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		1,041,537,057
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Public Float			$ 9,300,000,000