Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 03, 2016	Mar. 05, 2015	Mar. 03, 2016	Mar. 05, 2015
Earnings Per Share Reconciliation [Abstract]
Net income (loss) available to Micron shareholders – Basic	$ (97)	$ 934	$ 109	$ 1,937
Dilutive effect related to equity method investment	0	(2)	0	(3)
Net income (loss) available to Micron shareholders – Diluted	$ (97)	$ 932	$ 109	$ 1,934
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	1,036	1,074	1,035	1,072
Dilutive effect of equity plans and convertible notes (in shares)	0	116	37	121
Weighted-average common shares outstanding - Diluted (in shares)	1,036	1,190	1,072	1,193
Earnings Per Share, Basic [Abstract]
Basic (in dollars per share)	$ (0.09)	$ 0.87	$ 0.11	$ 1.81
Earnings Per Share, Diluted [Abstract]
Diluted (in dollars per share)	$ (0.09)	$ 0.78	$ 0.10	$ 1.62