XML 71 R58.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Property, Plant, and Equipment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 01, 2017 | Jun. 02, 2016 | Jun. 01, 2017 | Jun. 02, 2016 | Sep. 01, 2016
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance |  |  |  | $ 33,605 |  |
Property, Plant and Equipment, Additions |  |  |  | 7,162 |  |
Property, plant and equipment, retirements and other |  |  |  | (498) |  |
Property, plant and equipment, gross ending balance |  | $ 40,269 |  | 40,269 |  |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Accumulated depreciation beginning balance |  |  |  | (18,919) |  |
Accumulated depreciation, addition due to current period depreciation expense |  |  |  | (2,714) |  |
Retirements and other changes to accumulated depreciation |  |  |  | 378 |  |
Accumulated depreciation ending balance |  | (21,255) |  | (21,255) |  |
Movement in Property, Plant and Equipment, Net [Roll Forward] |  |  |  |  |  |
Property, plant, and equipment, net |  | 19,014 |  | 19,014 |  | $ 14,686
Property, plant and equipment, net affect of additions and depreciation expense |  |  |  | 4,448 |  |
Property, plant and equipment, net affect retirements and other adjustments |  |  |  | (120) |  |
Depreciation [Abstract] |  |  |  |  |  |
Depreciation expense |  | 994 | $ 725 | 2,710 | $ 2,180 |
Land |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance |  |  |  | 145 |  |
Property, Plant and Equipment, Additions |  |  |  | 205 |  |
Property, plant and equipment, retirements and other |  |  |  | (5) |  |
Property, plant and equipment, gross ending balance |  | 345 |  | 345 |  |
Buildings |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance |  |  |  | 6,653 |  |
Property, Plant and Equipment, Additions |  |  |  | 946 |  |
Property, plant and equipment, retirements and other |  |  |  | (30) |  |
Property, plant and equipment, gross ending balance |  | 7,569 |  | 7,569 |  |
Equipment |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance | [1] |  |  | 25,910 |  |
Property, Plant and Equipment, Additions |  |  |  | 5,934 |  |
Property, plant and equipment, retirements and other |  |  |  | (495) |  |
Property, plant and equipment, gross ending balance | [1] | 31,349 |  | 31,349 |  |
Equipment | Equipment not placed into service |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance |  |  |  | 1,470 |  |
Property, plant and equipment, gross ending balance |  | 731 |  | 731 |  |
Construction in progress |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance | [2] |  |  | 475 |  |
Property, Plant and Equipment, net transfers (out) additions to CIP |  |  |  | 56 |  |
Property, plant and equipment, retirements and other |  |  |  | 33 |  |
Property, plant and equipment, gross ending balance | [2] | 564 |  | 564 |  |
Software |  |  |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |  |  |
Property, plant and equipment, gross beginning balance |  |  |  | 422 |  |
Property, Plant and Equipment, Additions |  |  |  | 21 |  |
Property, plant and equipment, retirements and other |  |  |  | (1) |  |
Property, plant and equipment, gross ending balance |  | $ 442 |  | $ 442 |  |
[1] | Included costs related to equipment not placed into service of $731 million and $1.47 billion as of June 1, 2017 and September 1, 2016, respectively.
[2] | Included building-related construction and tool installation costs for assets not placed into service.

X
- Definition The decrease in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) as a result of sales, disposals or other adjustments of property, plant and equipment during the period. + References No definition available. + Details
Name: | mu_AccumulatedDepreciationDepletionAndAmortizationSaleDisposalOrOtherAdjustmentOfPropertyPlantAndEquipment
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Accumulated Depreciation, Depletion and Amortization, Addition due to Current Period Depreciation Expense of Property, Plant and Equipment + References No definition available. + Details
Name: | mu_AccumulatedDepreciationDepletionandAmortizationAdditionduetoCurrentPeriodDepreciationExpenseofPropertyPlantandEquipment
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Movement in Property, Plant and Equipment, Net [Roll Forward] + References No definition available. + Details
Name: | mu_MovementinPropertyPlantandEquipmentNetRollForward
Namespace Prefix: | mu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net affect on gross property, plant and equipment and related accumulated depreciation due to retirements and other adjustments. + References No definition available. + Details
Name: | mu_PropertyPlantandEquipmentNetAffectRetirementsandOtherAdjustments
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of net additions (reductions) of property, plant and equipment due to additions and depreciation expense during the period. + References No definition available. + Details
Name: | mu_PropertyPlantandEquipmentNetAffectofAdditionsandDepreciationExpense
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of retirements and other changes of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | mu_PropertyPlantandEquipmentRetirementsandOther
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInPropertyPlantAndEquipmentRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + 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(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTransfersAndChanges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mu_EquipmentnotplacedintoserviceAxis=mu_EquipmentnotplacedintoserviceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |