Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 03, 2020	May 28, 2020	Feb. 27, 2020	Nov. 28, 2019	Aug. 29, 2019	May 30, 2019	Feb. 28, 2019	Nov. 29, 2018	Sep. 03, 2020	Aug. 29, 2019	Aug. 30, 2018
Earnings Per Share Reconciliation [Abstract]
Net income attributable to Micron - Basic	$ 988	$ 803	$ 405	$ 491	$ 561	$ 840	$ 1,619	$ 3,293	$ 2,687	$ 6,313	$ 14,135
Assumed conversion of debt									(4)	(12)	0
Net income attributable to Micron - Diluted									$ 2,683	$ 6,301	$ 14,135
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)									1,110	1,114	1,152
Dilutive effect of equity plans and convertible notes (in shares)									21	29	77
Weighted-average common shares outstanding - Diluted (in shares)									1,131	1,143	1,229
Earnings per share
Basic (in dollars per share)	$ 0.89	$ 0.72	$ 0.37	$ 0.44	$ 0.51	$ 0.76	$ 1.45	$ 2.91	$ 2.42	$ 5.67	$ 12.27
Diluted (in dollars per share)	$ 0.87	$ 0.71	$ 0.36	$ 0.43	$ 0.49	$ 0.74	$ 1.42	$ 2.81	$ 2.37	$ 5.51	$ 11.51
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)									5	8	3