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Research and Development (Details) - USD ($) $ in Millions | 12 Months Ended
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Aug. 29, 2019 | Aug. 30, 2018 | Aug. 31, 2017
Research and Development [Abstract] |  |  |
Reduction in R and D expenses for reimbursements from partners | $ 60 | $ 201 | $ 213

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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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- References No definition available. + Details
Name: | us-gaap_ResearchAndDevelopmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration