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Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Aug. 31, 2017	Jun. 01, 2017	Mar. 02, 2017	Dec. 01, 2016	Sep. 01, 2016	Jun. 02, 2016	Mar. 03, 2016	Dec. 03, 2015	Aug. 31, 2017	Sep. 01, 2016	Sep. 03, 2015	Dec. 05, 2016
Net sales	$ 6,138	$ 5,566	$ 4,648	$ 3,970	$ 3,217	$ 2,898	$ 2,934	$ 3,350	$ 20,322	$ 12,399	$ 16,192
Gross margin	3,112	2,609	1,704	1,011	579	498	579	849	8,436	2,505	5,215
Operating income (loss)	2,502	1,963	1,044	359	(32)	(27)	(5)	232	5,868	168	2,998
Net income (loss)	2,369	1,647	894	180	(170)	(215)	(96)	206	5,090	(275)	2,899
Net income (loss) attributable to Micron	$ 2,368	$ 1,647	$ 894	$ 180	$ (170)	$ (215)	$ (97)	$ 206	$ 5,089	$ (276)	$ 2,899
Earnings (loss) per share
Basic (in dollars per share)	$ 2.13	$ 1.49	$ 0.81	$ 0.17	$ (0.16)	$ (0.21)	$ (0.09)	$ 0.20	$ 4.67	$ (0.27)	$ 2.71
Diluted (in dollars per share)	$ 1.99	$ 1.40	$ 0.77	$ 0.16	$ (0.16)	$ (0.21)	$ (0.09)	$ 0.19	$ 4.41	$ (0.27)	$ 2.47
Selected Quarterly Financial Information [Abstract]
Gain on remeasurement of previously-held equity interest in Inotera									$ 71	$ 0	$ 0
Loss on debt repurchases and conversions	$ (37)	$ (61)							(100)	(4)	$ (49)
2016 Restructuring Plan
Selected Quarterly Financial Information [Abstract]
2016 Restructuring Plan					$ 58				$ 33	$ 58
Inotera
Selected Quarterly Financial Information [Abstract]
Gain on remeasurement of previously-held equity interest in Inotera			$ 71
Ownership interest in Inotera immediately prior to acquisition (in hundredths)												33.00%

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