XML 71 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

Debt - Schedule of Long-term Debt (Details) |  | 6 Months Ended |
--- | --- | --- | ---
Feb. 06, 2019 USD ($) | Feb. 28, 2019 USD ($) d | Aug. 30, 2018 USD ($)
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Current debt |  | $ 2,634,000,000 |  | $ 859,000,000
Long-term debt |  | 3,604,000,000 |  | 3,777,000,000
Total |  | $ 6,238,000,000 |  | 4,636,000,000
Convertible Debt |  |  |  |
Convertible Senior Notes |  |  |  |
Conversion rights, minimum number of trading days (in days) | d |  | 20 |  |
Conversion rights, consecutive trading period (in days) | d |  | 30 |  |
Conversion rights, threshold percentage of applicable conversion price (in hundredths) |  | 130.00% |  |
Convertible Debt | IMFT Member Debt |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Current debt |  | $ 1,009,000,000 | [1] | 0
Long-term debt |  | 0 | [1] | 1,009,000,000
Total |  | $ 1,009,000,000 | [1] | 1,009,000,000
Convertible Debt | 2032D Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 3.13% |  |
Effective Rate (in ten thousandths) |  | 6.33% |  |
Current debt |  | $ 0 |  | 0
Long-term debt |  | 125,000,000 |  | 132,000,000
Total |  | $ 125,000,000 |  | 132,000,000
Convertible Debt | 2033F Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 2.13% |  |
Effective Rate (in ten thousandths) |  | 4.93% |  |
Current debt |  | $ 68,000,000 |  | 235,000,000
Long-term debt |  | 0 |  | 0
Total |  | $ 68,000,000 |  | 235,000,000
Convertible Debt | 2043G Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 3.00% |  |
Effective Rate (in ten thousandths) |  | 6.76% |  |
Current debt |  | $ 1,110,000,000 |  | 0
Long-term debt |  | 0 |  | 682,000,000
Total |  | 1,110,000,000 |  | 682,000,000
Convertible Debt | 2032D and 2033F |  |  |  |
Convertible Senior Notes |  |  |  |
Conversion value of convertible notes |  | 807,000,000 |  |
Principal amount of convertible notes |  | 203,000,000 |  |
Conversion value in excess of principal |  | 604,000,000 |  |
Capital lease obligations |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Current debt |  | 261,000,000 |  | 310,000,000
Long-term debt |  | 455,000,000 |  | 536,000,000
Total |  | $ 716,000,000 |  | 846,000,000
Reorganization obligation |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Effective Rate (in ten thousandths) |  | 9.76% |  |
Current debt |  | $ 181,000,000 |  | 309,000,000
Long-term debt |  | 0 |  | 183,000,000
Total |  | $ 181,000,000 |  | 492,000,000
Secured Debt | 2022 Term Loan B |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 4.25% |  |
Effective Rate (in ten thousandths) |  | 4.66% |  |
Current debt |  | $ 5,000,000 |  | 5,000,000
Long-term debt |  | 718,000,000 |  | 720,000,000
Total |  | $ 723,000,000 |  | 725,000,000
Corporate Bonds | 2024 Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 4.64% |  |
Effective Rate (in ten thousandths) |  | 4.76% |  |
Current debt |  | $ 0 |  | 0
Long-term debt |  | 597,000,000 |  | 0
Total |  | $ 597,000,000 |  | 0
Corporate Bonds | 2025 Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 5.50% |  |
Effective Rate (in ten thousandths) |  | 5.56% |  |
Current debt |  | $ 0 |  | 0
Long-term debt |  | 516,000,000 |  | 515,000,000
Total |  | $ 516,000,000 |  | 515,000,000
Corporate Bonds | 2026 Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 4.98% |  |
Effective Rate (in ten thousandths) |  | 5.07% |  |
Current debt |  | $ 0 |  | 0
Long-term debt |  | 497,000,000 |  | 0
Total |  | $ 497,000,000 |  | 0
Corporate Bonds | 2029 Notes |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Stated Rate (in ten thousandths) |  | 5.33% |  |
Effective Rate (in ten thousandths) |  | 5.40% |  |
Current debt |  | $ 0 |  | 0
Long-term debt |  | 696,000,000 |  | 0
Total |  | 696,000,000 |  | 0
Corporate Bonds | 2024 Notes, 2026 Notes, and 2029 Notes |  |  |  |
Senior Unsecured Notes |  |  |  |
Debt issuance costs | $ 11,000,000 |  |  |
Restricted subsidiaries, ownership percentage by parent | 80.00% |  |  |
Redemption price percentage upon change in control | 101.00% |  |  |
Notes Payable, Other Payables | Revolving Credit Facility |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Total |  | 0 |  |
Available Revolving Credit Facility [Abstract] |  |  |  |
Line of credit facility, Maximum borrowing capacity |  | $ 2,500,000,000 |  | $ 2,000,000,000
Weighted Average | Capital lease obligations |  |  |  |
Long-term Debt, by Current and Noncurrent [Abstract] |  |  |  |
Effective Rate (in ten thousandths) |  | 4.12% |  |
[1] | IMFT Member Debt was classified as current as of February 28, 2019 as a result of exercising our option to acquire Intel's interest in IMFT.

X
- Definition The convertible debt's if-converted value amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References No definition available. + Details
Name: | mu_DebtInstrumentConvertibleIfconvertedValue
Namespace Prefix: | mu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Domestic Restricted Subsidiaries, Ownership Percentage by Parent which among other things, limit in certain circumstances to create or incur certain liens and guarantees or consolidate or merge. + References No definition available. + Details
Name: | mu_DebtInstrumentDomesticRestrictedSubsidiariesOwnershipPercentagebyParent
Namespace Prefix: | mu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_IMFTMemberDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_ConvertibleSeniorNotesDue2032DMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_ConvertibleSeniorNoteDue2033FMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_ConvertibleSeniorNoteDue2043GMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_ConvertibleSeniorNotes2032Dand2033FMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_CapitalLeaseObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=mu_ReorganizationobligationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_TermLoanBCreditFacility1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_UnsecuredSeniorCorporateDebtdue2024_2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_Unsecuredseniorcorporatedebtdue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_UnsecuredSeniorCorporateDebtDue2026_2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_UnsecuredSeniorCorporateDebtDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_SeniorUnsecuredNotesDue2024_2026_2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mu_RevolvingCreditFacility5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |