Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Mar. 04, 2021	Dec. 03, 2020	Feb. 27, 2020	Mar. 04, 2021	Feb. 27, 2020
Earnings Per Share Reconciliation [Abstract]
Net income attributable to Micron – Basic	$ 603	$ 803	$ 405	$ 1,406	$ 896
Assumed conversion of debt	0		0	0	(4)
Net income attributable to Micron – Diluted	$ 603		$ 405	$ 1,406	$ 892
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding – Basic	1,120		1,111	1,118	1,109
Dilutive effect of equity plans and convertible notes (in shares)	24		22	21	22
Weighted-average common shares outstanding – Diluted	1,144		1,133	1,139	1,131
Earnings per share
Basic (in dollars per share)	$ 0.54		$ 0.37	$ 1.26	$ 0.81
Diluted (in dollars per share)	$ 0.53		$ 0.36	$ 1.23	$ 0.79
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)	2		1	2	4