Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 03, 2015	Jun. 04, 2015	Mar. 05, 2015	Dec. 04, 2014	Aug. 28, 2014	May. 29, 2014	Feb. 27, 2014	Nov. 28, 2013	Sep. 03, 2015	Aug. 28, 2014	Aug. 29, 2013
Earnings Per Share Reconciliation [Abstract]
Net income available to Micron shareholders – Basic	$ 471	$ 491	$ 934	$ 1,003	$ 1,150	$ 806	$ 731	$ 358	$ 2,899	$ 3,045	$ 1,190
Dilutive effect related to equity method investment									(3)	(2)	0
Net income (loss) available to Micron shareholders – Diluted									$ 2,896	$ 3,043	$ 1,190
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)									1,070	1,060	1,022
Dilutive effect of equity plans and convertible notes (in shares)									100	138	35
Weighted-average common shares outstanding - Diluted (in shares)									1,170	1,198	1,057
Earnings Per Share, Basic [Abstract]
Basic (in dollars per share)	$ 0.44	$ 0.46	$ 0.87	$ 0.94	$ 1.08	$ 0.76	$ 0.69	$ 0.34	$ 2.71	$ 2.87	$ 1.16
Earnings Per Share, Diluted [Abstract]
Diluted (in dollars per share)	$ 0.42	$ 0.42	$ 0.78	$ 0.84	$ 0.96	$ 0.68	$ 0.61	$ 0.30	$ 2.47	$ 2.54	$ 1.13