Other Non-Operating Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 04, 2021	Feb. 27, 2020	Mar. 04, 2021	Feb. 27, 2020
Other Nonoperating Income (Expense) [Abstract]
Gain (loss) on debt prepayments, repurchases, and conversions	$ 0	$ 0	$ 0	$ 42
Other	4	(1)	17	3
Other non-operating income (expense), net	$ 4	$ (1)	$ 17	$ 45

The net of other nonoperating income and other nonoperating expense, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

No definition available.

Name:	mu_OtherOtherNonoperatingIncomeExpense
Namespace Prefix:	mu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration