Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 02, 2016	Jun. 04, 2015	Jun. 02, 2016	Jun. 04, 2015
Earnings Per Share Reconciliation [Abstract]
Net income (loss) available to Micron shareholders – Basic	$ (215)	$ 491	$ (106)	$ 2,428
Dilutive effect related to equity method investment	0	(1)	0	(3)
Net income (loss) available to Micron shareholders – Diluted	$ (215)	$ 490	$ (106)	$ 2,425
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	1,036	1,073	1,035	1,072
Dilutive effect of equity plans and convertible notes (in shares)	0	97	0	113
Weighted-average common shares outstanding - Diluted (in shares)	1,036	1,170	1,035	1,185
Earnings Per Share, Basic [Abstract]
Basic (in dollars per share)	$ (0.21)	$ 0.46	$ (0.10)	$ 2.26
Earnings Per Share, Diluted [Abstract]
Diluted (in dollars per share)	$ (0.21)	$ 0.42	$ (0.10)	$ 2.05