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v3.19.2

Research and Development (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 30, 2019 | May 31, 2018 | May 30, 2019 | May 31, 2018
Collaborative Arrangement Process Design and Process Development |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |
Reduction in R and D expenses for reimbursements from partners | $ 6 | $ 53 | $ 59 | $ 167

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- Definition Reduction to expense as a result of reimbursements received under a cost sharing arrangement. + References No definition available. + Details
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Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |