Recently Issued Accounting Standards (Details)	3 Months Ended
Nov. 30, 2017	Dec. 01, 2016
Customers with Price Protection or Rights of Return \| ASU 2014-09 \| Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percent of revenue from customers with price protection or rights of return	22.00%	23.00%

Represents the quantification of the effect of adopting the new accounting standard by providing the percent of total past revenue that could be impacted by changes in accounting principle or adoption of new standards.

No definition available.

Name:	mu_NewAccountingPronouncementorChangeinAccountingPrincipleEffectofAdoptionPercentofRevenue
Namespace Prefix:	mu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration