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Equity - NCI and Consolidated VIE Disclosures (Details) (USD $) In Millions, unless otherwise specified
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3 Months Ended |
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Dec. 04, 2014
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Nov. 28, 2013
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Aug. 28, 2014
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| Variable Interest Entity [Line Items] |
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| Noncontrolling interests in subsidiaries |
$ 815us-gaap_MinorityInterest |
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$ 802us-gaap_MinorityInterest |
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| R and D expenses reduced by reimbursements from Intel |
(376)us-gaap_ResearchAndDevelopmentExpense |
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(320)us-gaap_ResearchAndDevelopmentExpense |
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| Net sales |
4,573us-gaap_SalesRevenueNet |
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4,042us-gaap_SalesRevenueNet |
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| Trade receivables |
2,301us-gaap_AccountsReceivableNetCurrent |
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2,524us-gaap_AccountsReceivableNetCurrent |
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| Noncontrolling Interest Items [Abstract] |
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| Distributions to noncontrolling interests from consolidated VIE's |
6us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
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9us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
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| Cash received from noncontrolling interests |
20us-gaap_ProceedsFromMinorityShareholders |
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49us-gaap_ProceedsFromMinorityShareholders |
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| Intel [Member] | Collaborative Arrangement Process Design and Process Development [Member] |
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| Variable Interest Entity [Line Items] |
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| R and D expenses reduced by reimbursements from Intel |
54us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember |
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29us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember |
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| IM Flash Technologies, LLC [Member] | Intel [Member] | NAND Flash [Member] |
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| Variable Interest Entity [Line Items] |
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| Net sales |
108us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |
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101us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |
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| Trade receivables |
66us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |
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66us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |
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| MP Mask Technology Center, LLC [Member] |
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| Noncontrolling Interest Items [Abstract] |
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| Extension periods of a Joint Venture |
5 years |
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| Notice Period Required to Terminate a Joint Venture |
12 months |
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| Other Consolidated Entities [Member] |
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| Variable Interest Entity [Line Items] |
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| Noncontrolling interests in subsidiaries |
15us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_OtherConsolidatedEntitiesMember |
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16us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_OtherConsolidatedEntitiesMember |
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| Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] | IM Flash Technologies, LLC [Member] |
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| Variable Interest Entity [Line Items] |
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| Noncontrolling interests in subsidiaries |
707us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
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693us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
| Variable interest entity, ownership percentage by noncontrolling owners (in hundredths) |
49.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
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49.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
| Ownership percentage after stock transactions during period (in hundredths) |
51.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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| Noncontrolling Interest Items [Abstract] |
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| Distributions to Micron from Consolidated VIE's |
6mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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0mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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| Distributions to noncontrolling interests from consolidated VIE's |
6us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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| Micron contributions to consolidated VIE's |
21us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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51us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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| Cash received from noncontrolling interests |
20us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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49us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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| Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] | MP Mask Technology Center, LLC [Member] |
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| Variable Interest Entity [Line Items] |
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| Noncontrolling interests in subsidiaries |
$ 93us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
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$ 93us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
| Variable interest entity, ownership percentage by noncontrolling owners (in hundredths) |
50.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
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50.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
[1] |
| Ownership percentage after stock transactions during period (in hundredths) |
50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |
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