Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
Mar. 02, 2017	Mar. 03, 2016	Mar. 02, 2017	Mar. 03, 2016
Earnings Per Share [Abstract]
Net income available to Micron shareholders - Basic	$ 894	$ (97)	$ 1,074	$ 109
Net income available to Micron shareholders – Diluted	$ 894	$ (97)	$ 1,074	$ 109
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	1,099	1,036	1,070	1,035
Dilutive effect of equity plans and convertible notes (in shares)	61	0	55	37
Weighted-average common shares outstanding - Diluted (in shares)	1,160	1,036	1,125	1,072
Earnings Per Share, Basic [Abstract]
Basic (in dollars per share)	$ 0.81	$ (0.09)	$ 1.00	$ 0.11
Earnings Per Share, Diluted [Abstract]
Diluted (in dollars per share)	$ 0.77	$ (0.09)	$ 0.95	$ 0.10
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)	60	185	62	72

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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