XML 59 R108.htm IDEA: XBRL DOCUMENT
v3.19.3

Income Taxes - Operating Loss Carryforwards (Details) $ in Millions | Aug. 29, 2019 USD ($)
--- | ---
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | $ 2,897
2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 1,330
2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 944
2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 296
2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 77
Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 250
U.S. Federal |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 5
U.S. Federal | 2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
U.S. Federal | 2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
U.S. Federal | 2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
U.S. Federal | 2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 5
U.S. Federal | Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
State |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 821
State | 2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 48
State | 2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 404
State | 2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 296
State | 2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 72
State | Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 1
Foreign | Japan |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 1,493
Foreign | Japan | 2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 969
Foreign | Japan | 2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 524
Foreign | Japan | 2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Japan | 2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Japan | Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Taiwan |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 554
Foreign | Taiwan | 2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 309
Foreign | Taiwan | 2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 4
Foreign | Taiwan | 2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Taiwan | 2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Taiwan | Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 241
Foreign | Other Foreign |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 24
Foreign | Other Foreign | 2020 - 2024 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 4
Foreign | Other Foreign | 2025 - 2029 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 12
Foreign | Other Foreign | 2030 - 2034 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Other Foreign | 2035 - 2039 |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | 0
Foreign | Other Foreign | Indefinite |
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforwards | $ 8

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_TaxPeriodAxis=mu_CarryforwardExpiringWithinFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mu_CarryforwardExpiringWithinSixToTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mu_CarryforwardExpiringWithinElevenToFifteenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mu_CarryforwardExpiringWithinSixteentoTwentyYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mu_CarryforwardIndefiniteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_NationalTaxAgencyJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=mu_TaiwanTaxAuthorityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=mu_OtherForeignTaxAuthoritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |