v2.4.1.9

Equity - NCI and Consolidated VIE Disclosures (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 05, 2015 | Feb. 27, 2014 | Mar. 05, 2015 | Feb. 27, 2014 | Aug. 28, 2014
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries | $ 815us-gaap_MinorityInterest |  |  | $ 815us-gaap_MinorityInterest |  |  | $ 802us-gaap_MinorityInterest |
R and D expenses reduced by reimbursements from Intel | (379)us-gaap_ResearchAndDevelopmentExpense |  | (344)us-gaap_ResearchAndDevelopmentExpense | (755)us-gaap_ResearchAndDevelopmentExpense |  | (664)us-gaap_ResearchAndDevelopmentExpense |  |
Net sales | 4,166us-gaap_SalesRevenueNet |  | 4,107us-gaap_SalesRevenueNet | 8,739us-gaap_SalesRevenueNet |  | 8,149us-gaap_SalesRevenueNet |  |
Trade receivables | 2,439us-gaap_AccountsReceivableNetCurrent |  |  | 2,439us-gaap_AccountsReceivableNetCurrent |  |  | 2,524us-gaap_AccountsReceivableNetCurrent |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |
IMFT distributions to Intel |  |  |  | 6us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  | 19us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |
Intel [Member] | Collaborative Arrangement Process Design and Process Development [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
R and D expenses reduced by reimbursements from Intel | 46us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember |  | 35us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember | 100us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember |  | 64us-gaap_ResearchAndDevelopmentExpense / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_TypeOfArrangementAxis = mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember |  |
IM Flash Technologies, LLC [Member] | Intel [Member] | NAND Flash [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Net sales | 100us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |  | 104us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember | 208us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |  | 205us-gaap_SalesRevenueNet / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |  |
Trade receivables | 61us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |  |  | 61us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |  |  | 66us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_MajorCustomersAxis = mu_IntelMember / us-gaap_ProductOrServiceAxis = mu_NandFlashMember |
Other Consolidated Entities [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries | 15us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_OtherConsolidatedEntitiesMember |  |  | 15us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_OtherConsolidatedEntitiesMember |  |  | 16us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_OtherConsolidatedEntitiesMember |
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] | IM Flash Technologies, LLC [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries | 707us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | 707us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | 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] |  | 49.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | 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 |  |  | 51.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |
IMFT distributions to Micron | 0mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 10mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 6mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 10mu_VariableInterestEntityDistributionsToParent / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |
IMFT distributions to Intel | 0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 10us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 6us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 10us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |
Micron contributions to IMFT | 0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 21us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 51us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |
Intel contributions to IMFT | 0us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 0us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 20us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  | 49us-gaap_ProceedsFromMinorityShareholders / dei_LegalEntityAxis = mu_ImFlashTechnologiesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] | MP Mask Technology Center, LLC [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries | $ 93us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | $ 93us-gaap_MinorityInterest / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | $ 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] |  | 50.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | [1] |  | 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 |  |  | 50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = mu_MpMaskTechnologyCenterLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |  |  |
[1] | (1) Entity is a variable interest entity.

X
- Definition Distributions from variable interest entity to parent reporting entity. + References No definition available. + Details
Name: | mu_VariableInterestEntityDistributionsToParent
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3-4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 + Details
Name: | us-gaap_AccountsReceivableNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 27 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 7 + Details
Name: | us-gaap_MinorityInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_NoncontrollingInterestItemsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_ProceedsFromMinorityShareholders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=mu_ImFlashTechnologiesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=mu_OtherConsolidatedEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=mu_IntelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |