Name:	mu_ComponentOfOperatingOtherIncomeAndExpenseNetLineItems
Namespace Prefix:	mu_
Data Type:	xbrli:stringItemType
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Period Type:	duration

The net of other operating income and other operating expense, not previously categorized, from items that are associated with the entity's normal revenue producing operation.

No definition available.

Name:	mu_OtherOtherOperatingIncomeExpenseNet
Namespace Prefix:	mu_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

Name:	us-gaap_GainLossOnDispositionOfAssets
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Name:	us-gaap_GainLossRelatedToLitigationSettlement
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

No definition available.