v2.4.1.9

Equity Method Investments - 2 (Details) (Tera Probe [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 04, 2014	Nov. 28, 2013
Tera Probe [Member]
Related Party Transaction [Line Items]
Related party purchases from Tera Probe	$ 25us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mu_TeraProbeMember	$ 33us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mu_TeraProbeMember

X

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration