Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Dec. 02, 2021	Dec. 03, 2020
Earnings Per Share Reconciliation [Abstract]
Net income attributable to Micron - Basic	$ 2,306	$ 803
Net income attributable to Micron - Diluted	$ 2,306	$ 803
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding – Basic	1,119	1,115
Dilutive effect of equity plans and convertible notes	11	20
Weighted-average common shares outstanding – Diluted	1,130	1,135
Earnings per share
Basic (in dollars per share)	$ 2.06	$ 0.72
Diluted (in dollars per share)	$ 2.04	$ 0.71
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)	3	2