v3.3.0.814

Contingencies (Details) - Pending Litigation [Member] $ in Millions | 12 Months Ended
--- | ---
Sep. 03, 2015 USD ($) integer
Qimonda AG Inotera Share Purchase Proceedings [Member] | Inotera [Member] |
Loss Contingencies [Line Items] |
Inotera Investment, Percentage of shares owned subject to litigation (in hundredths) | 55.00%
Loss contingency, judgment under appeal | $ 1
Carrying value of Inotera shares acquired from Qimonda | 683
Quoted market value of Inotera shares acquired from Qimonda | $ 846
Patent Matters [Member] | Elm 3DS Innovations, LLC [Member] |
Loss Contingencies [Line Items] |
Number of patents allegedly infringed | integer | 13
Patent Matters [Member] | Innovative Memory Solutions, Inc. [Member] |
Loss Contingencies [Line Items] |
Number of patents allegedly infringed | integer | 8

X
- Definition Equity Method Investment Net Carrying Value Of Shares Subject to Litigation + References No definition available. + Details
Name: | mu_EquityMethodInvestmentNetCarryingValueOfSharesSubjectToLitigation
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate value of each identified investment accounted for under the equity method of accounting subject to litigation based on the quoted market price for those investments in common stock for which a quoted market price is available. + References No definition available. + Details
Name: | mu_EquityMethodInvestmentQuotedMarketValueOfSharesSubjecttoLitigation
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The approximate percentage of shares of an equity method investment owned by the entity which are currently subject to litigation. + References No definition available. + Details
Name: | mu_EquityMethodInvestmentSharesOwnedSubjecttoLitigation
Namespace Prefix: | mu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Loss contingency resulting from a judgment that is currently under appeal. While not probable as of the reporting date, this judgment could result in an obligation to pay the disclosed amount. + References No definition available. + Details
Name: | mu_LossContingencyJudgmentUnderAppeal
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of another entity's patents that the entity has allegedly infringed. + References No definition available. + Details
Name: | us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=mu_QimondaAgInoteraSharePurchaseProceedingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mu_InoteraMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=mu_PatentMattersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=mu_Elm3DSInnovationsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=mu_InnovativeMemorySolutionsInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |