Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 6,056	$ 5,438	$ 4,797	$ 5,144	$ 4,870	$ 4,788	$ 5,835	$ 7,913	$ 21,435	$ 23,406	$ 30,391
Gross margin	2,068	1,763	1,355	1,366	1,395	1,828	2,864	4,615	6,552	10,702	17,891
Operating income	1,157	888	440	518	650	1,010	1,957	3,759	3,003	7,376	14,994
Net income	990	805	407	508	586	851	1,625	3,296	2,710	6,358	14,138
Net income attributable to Micron	$ 988	$ 803	$ 405	$ 491	$ 561	$ 840	$ 1,619	$ 3,293	$ 2,687	$ 6,313	$ 14,135
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