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Debt - Schedule of Long-term Debt (Details) (USD $) In Millions, except Per Share data, unless otherwise specified
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3 Months Ended |
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Dec. 04, 2014
D
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Dec. 02, 2014
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Aug. 28, 2014
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| Debt Instrument [Line Items] |
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| Current debt |
$ 1,168us-gaap_DebtCurrent |
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$ 1,638us-gaap_DebtCurrent |
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| Long-term debt |
4,608us-gaap_LongTermDebtAndCapitalLeaseObligations |
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4,955us-gaap_LongTermDebtAndCapitalLeaseObligations |
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| Debt |
5,776us-gaap_DebtAndCapitalLeaseObligations |
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6,593us-gaap_DebtAndCapitalLeaseObligations |
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| Convertible Debt Issuances [Abstract] |
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| Share Price (in dollars per share) |
$ 36.07us-gaap_SharePrice |
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| Reorganization obligation [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
169us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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192us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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| Long-term debt |
828us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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939us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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| Debt |
997us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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1,131us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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| Effective interest rate (in hundredths) |
6.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = mu_ReorganizationobligationMember |
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| Capital lease obligations [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
315us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
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323us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
| Long-term debt |
472us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
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588us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
| Debt |
787us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
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911us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
[1] |
| Effective interest rate (in hundredths) |
4.30%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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4.30%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| Long-term Debt, by Maturity [Abstract] |
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| Debt Instrument, Unamortized Discount |
(71)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |
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| Remainder of 2015 |
247us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| 2016 |
295us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| 2017 |
98us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| 2018 |
56us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| 2019 |
52us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| 2020 and thereafter |
110us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| Debt Instrument, Unamortized Discount |
(71)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| Capital Lease Obligations |
787us-gaap_CapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember |
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| Secured Debt [Member] | 2019 senior notes |
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| Debt Instrument [Line Items] |
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| Current debt |
92us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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92us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Long-term debt |
324us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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324us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Debt |
416us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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416us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Stated interest rate (in hundredths) |
1.258%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Effective interest rate (in hundredths) |
1.97%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_SecuredDebt4Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Corporate bonds [Member] | 2022 senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Long-term debt |
600us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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600us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Debt |
600us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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600us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Stated interest rate (in hundredths) |
5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Effective interest rate (in hundredths) |
6.14%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Corporate bonds [Member] | 2025 senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Long-term debt |
1,150us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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1,150us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Debt |
1,150us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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1,150us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Stated interest rate (in hundredths) |
5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Effective interest rate (in hundredths) |
5.56%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_Unsecuredseniorcorporatedebtdue2025Member / us-gaap_LongtermDebtTypeAxis = us-gaap_CorporateDebtSecuritiesMember |
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| Convertible Debt [Member] |
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| Convertible Debt Issuances [Abstract] |
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| Outstanding principal |
2,289us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Shares issuable upon conversion (in shares) |
157us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion value in excess of principal |
3,405us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion rights, minimum number of trading days (in days) |
20us-gaap_DebtInstrumentConvertibleThresholdTradingDays / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion rights, consecutive trading period (in days) |
30 days |
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| Conversion rights, threshold percentage of applicable conversion price (in hundredths) |
130.00%us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Convertible Debt [Member] | 2031B convertible senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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362us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Long-term debt |
0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Debt |
0us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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362us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Stated interest rate (in hundredths) |
1.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Effective interest rate (in hundredths) |
6.98%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2031BMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Convertible Debt [Member] | 2032C convertible senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Long-term debt |
312us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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314us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Debt |
312us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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314us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Stated interest rate (in hundredths) |
2.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Effective interest rate (in hundredths) |
5.95%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Convertible Debt Issuances [Abstract] |
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| Debt Instrument Put Date Earliest |
May 31, 2019 |
[4] |
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| Outstanding principal |
357us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Shares issuable upon conversion (in shares) |
37us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion price per share (in dollars per share) |
$ 9.63us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion price per share threshold (in dollars per share) |
$ 12.52us-gaap_DebtInstrumentConvertibleStockPriceTrigger / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[5] |
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| Conversion value in excess of principal |
982us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032CMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[6] |
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| Convertible Debt [Member] | 2032D convertible senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Long-term debt |
264us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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288us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Debt |
264us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3] |
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288us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Stated interest rate (in hundredths) |
3.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Effective interest rate (in hundredths) |
6.33%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Convertible Debt Issuances [Abstract] |
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| Debt Instrument Put Date Earliest |
May 31, 2021 |
[4] |
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| Outstanding principal |
313us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Shares issuable upon conversion (in shares) |
31us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion price per share (in dollars per share) |
$ 9.98us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
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| Conversion price per share threshold (in dollars per share) |
$ 12.97us-gaap_DebtInstrumentConvertibleStockPriceTrigger / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[5] |
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| Conversion value in excess of principal |
816us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2032DMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[6] |
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| Convertible Debt [Member] | 2033E convertible senior notes [Member] |
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| Debt Instrument [Line Items] |
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| Current debt |
273us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
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278us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Long-term debt |
0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
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0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Debt |
273us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
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278us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Stated interest rate (in hundredths) |
1.625%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Effective interest rate (in hundredths) |
4.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Debt Instrument Put Date Earliest |
Feb. 28, 2018 |
[4] |
|
|
|
| Outstanding principal |
294us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Shares issuable upon conversion (in shares) |
27us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share (in dollars per share) |
$ 10.93us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share threshold (in dollars per share) |
$ 14.21us-gaap_DebtInstrumentConvertibleStockPriceTrigger / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[5] |
|
|
|
| Conversion value in excess of principal |
674us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNotesDue2033EMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[6] |
|
|
|
| Convertible Debt [Member] | 2033F convertible senior note [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Current debt |
267us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
|
265us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Long-term debt |
0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
|
0us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Debt |
267us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2],[3],[7] |
|
265us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Stated interest rate (in hundredths) |
2.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Effective interest rate (in hundredths) |
4.93%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Debt Instrument Put Date Earliest |
Feb. 28, 2020 |
[4] |
|
|
|
| Outstanding principal |
300us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Shares issuable upon conversion (in shares) |
27us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share (in dollars per share) |
$ 10.93us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share threshold (in dollars per share) |
$ 14.21us-gaap_DebtInstrumentConvertibleStockPriceTrigger / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[5] |
|
|
|
| Conversion value in excess of principal |
690us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2033FMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[6] |
|
|
|
| Convertible Debt [Member] | 2043G convertible senior notes [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Current debt |
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
|
0us-gaap_DebtCurrent / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Long-term debt |
639us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
|
636us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Debt |
639us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
|
636us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[2] |
| Stated interest rate (in hundredths) |
3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Effective interest rate (in hundredths) |
6.76%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Debt Instrument Put Date Earliest |
Nov. 30, 2028 |
[4],[8] |
|
|
|
| Outstanding principal |
1,025us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[8] |
|
|
|
| Shares issuable upon conversion (in shares) |
35us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share (in dollars per share) |
$ 29.16us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion price per share threshold (in dollars per share) |
$ 37.91us-gaap_DebtInstrumentConvertibleStockPriceTrigger / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Conversion value in excess of principal |
243us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
[6] |
|
|
|
| Debt Instrument Issued At A Discount, Original Principal Amount |
820mu_DebtInstrumentIssuedAtADiscountOriginalPrincipalAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Debt Instrument, Scheduled Accreted Principal Amount |
917mu_DebtInstrumentScheduledAccretedPrincipalAmount / us-gaap_DebtInstrumentAxis = mu_ConvertibleSeniorNoteDue2043GMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
|
|
|
|
| Notes Payable, Other Payables [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Current debt |
52us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
|
126us-gaap_DebtCurrent / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
| Long-term debt |
19us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
|
116us-gaap_LongTermDebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
| Debt |
71us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
|
242us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
| Stated interest rate (in hundredths) |
2.157%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
|
|
|
| Effective interest rate (in hundredths) |
2.45%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
|
|
|
|
| Line of Credit [Member] | Revolving Credit Facility 1 [Member] |
|
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Debt instrument, original term |
|
|
3 years |
|
|
| Terminated Line of Credit |
|
|
153mu_TerminatedLineofCredit / us-gaap_DebtInstrumentAxis = mu_RevolvingCreditFacility1Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
|
|
| Line of Credit [Member] | Revolving Credit Facility 2 [Member] |
|
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Debt instrument, original term |
5 years |
|
|
|
|
| Line of Credit Facility, Maximum Borrowing Capacity |
540us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = mu_RevolvingCreditFacility2Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
|
|
|
|
| Line of Credit Facility, Current Borrowing Capacity |
500us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_DebtInstrumentAxis = mu_RevolvingCreditFacility2Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
|
|
|
|
| Line of Credit [Member] | Revolving Credit Facility 2 [Member] | Libor [Member] | Minimum [Member] |
|
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Margin on variable rate financing (in hundredths) |
1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = mu_RevolvingCreditFacility2Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
|
|
|
|
| Line of Credit [Member] | Revolving Credit Facility 2 [Member] | Libor [Member] | Maximum [Member] |
|
|
|
|
|
| Convertible Debt Issuances [Abstract] |
|
|
|
|
|
| Margin on variable rate financing (in hundredths) |
1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = mu_RevolvingCreditFacility2Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
|
|
|
|
| Loans Payable [Member] |
|
|
|
|
|
| Long-term Debt, by Maturity [Abstract] |
|
|
|
|
|
| Remainder of 2015 |
304us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| 2016 |
290us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| 2017 |
260us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| 2018 |
552us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| 2019 |
642us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| 2020 and thereafter |
3,556us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| Debt Instrument, Unamortized Discount |
(615)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| Notes Payable |
4,989us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
| Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |
|
|
|
|
|
| Debt Instrument, Unamortized Discount |
$ (615)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
|
|
|
|
|
|
|