Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Dec. 03, 2020	Nov. 28, 2019
Earnings Per Share Reconciliation [Abstract]
Net income attributable to Micron – Basic	$ 803	$ 491
Assumed conversion of debt	0	(4)
Net income attributable to Micron – Diluted	$ 803	$ 487
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding – Basic	1,115	1,107
Dilutive effect of equity plans and convertible notes (in shares)	20	22
Weighted-average common shares outstanding – Diluted	1,135	1,129
Earnings per share
Basic (in dollars per share)	$ 0.72	$ 0.44
Diluted (in dollars per share)	$ 0.71	$ 0.43
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)	2	6