XML 108 R94.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Equity - NCI and Consolidated VIE Disclosures (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 05, 2016 | Sep. 01, 2016 | Jun. 02, 2016 | Mar. 03, 2016 | Dec. 03, 2015 | Sep. 03, 2015 | Jun. 04, 2015 | Mar. 05, 2015 | Dec. 04, 2014 | Sep. 01, 2016 | Sep. 03, 2015 | Aug. 28, 2014 | Aug. 29, 2013
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries |  | $ 848 |  |  |  | $ 937 |  |  |  | $ 848 | $ 937 |  |
R and D expenses reduced by reimbursements from Intel |  |  |  |  |  |  |  |  |  | (1,617) | (1,540) | $ (1,371) |
Net sales |  | 3,217 | $ 2,898 | $ 2,934 | $ 3,350 | 3,600 | $ 3,853 | $ 4,166 | $ 4,573 | 12,399 | 16,192 | 16,358 |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
IMFT distributions to Intel |  |  |  |  |  |  |  |  |  | 34 | 6 | 18 |
Intel contributions to IMFT |  |  |  |  |  |  |  |  |  | 37 | 142 | 102 |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  | 93 |  | 146 |
Non-Volatile Memory | Non-Trade Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 501 | 463 | 475 |
Intel | Non-Volatile Memory | Non-Trade Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 501 | 463 | 475 |
Intel | Collaborative Arrangement Process Design and Process Development |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
R and D expenses reduced by reimbursements from Intel |  |  |  |  |  |  |  |  |  | 205 | 224 | 137 |
Other Consolidated Entities |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries |  | 16 |  |  |  | 15 |  |  |  | 16 | 15 |  |
Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  | 11.00%
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 146 |
Variable Interest Entity, Primary Beneficiary | IM Flash Technologies, LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries |  | $ 832 |  |  |  | $ 829 |  |  |  | $ 832 | $ 829 |  |
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths) |  | 49.00% |  |  |  | 49.00% |  |  |  | 49.00% | 49.00% |  |
Ownership percentage after stock transactions during period (in hundredths) |  | 51.00% |  |  |  |  |  |  |  | 51.00% |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
IMFT distributions to Micron |  |  |  |  |  |  |  |  |  | $ 36 | $ 6 | 10 |
IMFT distributions to Intel |  |  |  |  |  |  |  |  |  | 34 | 6 | 10 |
Micron contributions to IMFT |  |  |  |  |  |  |  |  |  | 38 | 148 | 106 |
Intel contributions to IMFT |  |  |  |  |  |  |  |  |  | 37 | 142 | 102 |
Variable Interest Entity, Primary Beneficiary | MP Mask Technology Center, LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in subsidiaries |  | $ 0 |  |  |  | $ 93 |  |  |  | $ 0 | $ 93 |  |
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths) |  | 0.00% |  |  |  | 50.00% |  |  |  | 0.00% | 50.00% |  |
Ownership percentage after stock transactions during period (in hundredths) | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
IMFT distributions to Intel |  |  |  |  |  |  |  |  |  | $ 34 | $ 6 | 18 |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  | $ 93 |  | 180 |
Noncontrolling Interest | MP Mask Technology Center, LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of noncontrolling interests | $ 93 |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest | Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 180 |
Additional Capital |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | (34) |
Additional Capital | Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | $ (34) |

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 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(22)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(24)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: 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 + 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 Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569655-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4616395-111683 + Details
Name: | us-gaap_MinorityInterestDecreaseFromRedemptions
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
- References No definition available. + 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=66902209&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 -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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=66902209&loc=d3e3255-108585 + 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 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: 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 + 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=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_ProductOrServiceAxis=mu_NonVolatileMemoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=mu_CollaborativeArrangementProcessDesignandProcessDevelopmentMember
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: | dei_LegalEntityAxis=mu_RexchipElectronicsCorporationMember
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: |

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

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

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |