The net increase (decrease) in principal amount of debt for the period.

No definition available.

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Namespace Prefix:	mu_
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Balance Type:	credit
Period Type:	duration

- Definition

Net increase or decrease in the carrying amount of the debt instrument for the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

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Period Type:	duration

- 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

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Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=mu_A2029TermLoanAMember
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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=mu_UnsecuredSeniorCorporateDebtDue2026_2Member
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Data Type:	na
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- Details

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- Details

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Debt - Activity (Details) - USD ($) $ in Millions				6 Months Ended
Debt - Activity (Details) - USD ($) $ in Millions	Feb. 12, 2025	Jan. 17, 2025	Jan. 16, 2025	Feb. 27, 2025
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal				$ 250
Increase (Decrease) in Carrying Value				243
Increase (Decrease) in Cash				$ 238
2035 Notes \| Corporate Bonds
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal			$ 1,000
Increase (Decrease) in Carrying Value			992
Increase in Cash [from debt issuance]			$ 992
2029 Term Loan A \| Term Loan
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal		$ 1,684
Increase (Decrease) in Carrying Value		1,681
Increase in Cash [from debt issuance]		1,681
2026 Notes \| Corporate Bonds
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal	$ (500)
Increase (Decrease) in Carrying Value	(499)
Decrease in Cash [from repayments of debt]	$ (501)
2026 Term Loan A \| Term Loan
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal		(897)
Increase (Decrease) in Carrying Value		(896)
Decrease in Cash [from repayments of debt]		(897)
2027 Term Loan A \| Term Loan
Extinguishment of Debt [Line Items]
Increase (Decrease) in Principal		(1,037)
Increase (Decrease) in Carrying Value		(1,035)
Decrease in Cash [from repayments of debt]		$ (1,037)