CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended	9 Months Ended
Jun. 02, 2011	Jun. 03, 2010	Jun. 02, 2011	Jun. 03, 2010
Income Statement [Abstract]
Net sales	$ 2,139	$ 2,288	$ 6,648	$ 5,989
Cost of goods sold	1,661	1,440	5,211	4,056
Gross margin	478	848	1,437	1,933
Selling, general and administrative	151	190	437	387
Research and development	211	142	582	427
Other operating (income) expense, net	(121)	(24)	(388)	(37)
Operating income	237	540	806	1,156
Gain on acquisition of Numonyx	0	437	0	437
Interest income	6	4	21	8
Interest expense	(28)	(44)	(94)	(137)
Other non-operating income (expense), net	10	1	(104)	56
Total income before income taxes	225	938	629	1,520
Income tax (provision) benefit	(104)	41	(187)	44
Equity in net income (loss) of equity method investees, net of tax	(44)	(19)	(118)	(23)
Net income	77	960	324	1,541
Net income attributable to noncontrolling interests	(2)	(21)	(22)	(33)
Net income attributable to Micron	$ 75	$ 939	$ 302	$ 1,508
Earnings per share:
Basic (in dollars per share)	$ 0.07	$ 1.06	$ 0.31	$ 1.75
Diluted (in dollars per share)	$ 0.07	$ 0.92	$ 0.30	$ 1.55
Number of shares used in per share calculations:
Basic (in shares)	998.9	885.4	986.6	860.0
Diluted (in shares)	1,041.7	1,049.4	1,036.9	1,019.7

The total net amount of other operating income and other operating expense, not previously categorized, from items that are associated with the entity's normal revenue producing operation.

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In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The amount of net income or loss for the period per each share of common stock outstanding during the reporting period.

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The amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment.

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The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations.

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The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent.

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The net result for the period of deducting operating expenses from operating revenues.

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The net amount of other nonoperating income and expense, which does not qualify for separate disclosure on the income statement under materiality guidelines.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period.

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Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period.

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