Document and Entity Information Document (USD $)	12 Months Ended
	Aug. 28, 2014	Oct. 16, 2014	Feb. 27, 2014
Entity Information [Line Items]
Entity Registrant Name	MICRON TECHNOLOGY INC
Entity Central Index Key	0000723125
Current Fiscal Year End Date	--08-28
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Aug. 28, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		1,073,455,204
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 21,300,000,000