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Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Aug. 29, 2019	May 30, 2019	Feb. 28, 2019	Nov. 29, 2018	Aug. 30, 2018	May 31, 2018	Mar. 01, 2018	Nov. 30, 2017	Aug. 29, 2019	Aug. 30, 2018	Aug. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 4,870	$ 4,788	$ 5,835	$ 7,913	$ 8,440	$ 7,797	$ 7,351	$ 6,803	$ 23,406	$ 30,391	$ 20,322
Gross margin	1,395	1,828	2,864	4,615	5,151	4,723	4,270	3,747	10,702	17,891	8,436
Operating income	650	1,010	1,957	3,759	4,377	3,953	3,567	3,097	7,376	14,994	5,868
Net income	586	851	1,625	3,296	4,326	3,823	3,311	2,678	6,358	14,138	5,090
Net income attributable to Micron	$ 561	$ 840	$ 1,619	$ 3,293	$ 4,325	$ 3,823	$ 3,309	$ 2,678	$ 6,313	$ 14,135	$ 5,089
Earnings per share
Basic (in dollars per share)	$ 0.51	$ 0.76	$ 1.45	$ 2.91	$ 3.73	$ 3.30	$ 2.86	$ 2.36	$ 5.67	$ 12.27	$ 4.67
Diluted (in dollars per share)	$ 0.49	$ 0.74	$ 1.42	$ 2.81	$ 3.56	$ 3.10	$ 2.67	$ 2.19	$ 5.51	$ 11.51	$ 4.41

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