STATEMENT OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total Micron Shareholders' Equity	Noncontrolling Interests in Subsidiaries
Balance (in shares) at Sep. 03, 2015		1,084
Balance at Sep. 03, 2015	$ 13,239	$ 108	$ 7,474	$ 5,588	$ (881)	$ 13	$ 12,302	$ 937
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(275)			(276)			(276)	1
Other comprehensive income (loss), net	(48)					(48)	(48)	0
Stock issued under stock plans (in shares)		11
Stock issued under stock plans	48	$ 1	47				48
Stock-based compensation expense	191		191				191
Contributions from noncontrolling interests	37						0	37
Distributions to noncontrolling interests	(34)						0	(34)
Acquisitions of noncontrolling interests	(93)						0	(93)
Repurchase and retirement of stock (in shares)		(1)
Repurchase and retirement of stock	(23)	$ 0	(10)	(13)			(23)
Repurchase of treasury stock	(125)				(125)		(125)
Settlement of capped calls	0		23		(23)		0
Reclassification of redeemable convertible notes, net	49		49				49
Conversion and repurchase of convertible notes	(38)		(38)				(38)
Balance (in shares) at Sep. 01, 2016		1,094
Balance at Sep. 01, 2016	12,928	$ 109	7,736	5,299	(1,029)	(35)	12,080	848
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,090			5,089			5,089	1
Other comprehensive income (loss), net	64					64	64	0
Stock issued under stock plans (in shares)		20
Stock issued under stock plans	142	$ 3	139				142
Stock-based compensation expense	215		217	(2)			215
Repurchase and retirement of stock (in shares)		(2)
Repurchase and retirement of stock	(35)	$ 0	(13)	(22)			(35)
Stock issued to Nanya for Inotera Acquisition (in shares)		4
Stock issued to Nanya for Inotera Acquisition	995	$ 0	70				995
Treasury stock issued to Nanya for Inotera Acquisition				(104)	1,029
Settlement of capped calls	125		192		(67)		125
Reclassification of redeemable convertible notes, net	(21)		(21)				(21)
Conversion and repurchase of convertible notes	$ (33)		(33)				(33)
Balance (in shares) at Aug. 31, 2017	1,116	1,116
Balance at Aug. 31, 2017	$ 19,470	$ 112	8,287	10,260	(67)	29	18,621	849
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	14,138			14,135			14,135	3
Other comprehensive income (loss), net	(19)					(19)	(19)	0
Stock issued in public offering (in shares)		34
Stock issued in public offering	1,366	$ 3	1,363				1,366
Stock issued under stock plans (in shares)		22
Stock issued under stock plans	289	$ 2	287				289
Stock-based compensation expense	198		198				198
Contributions from noncontrolling interests	18						0	18
Repurchase and retirement of stock (in shares)		(2)
Repurchase and retirement of stock	(71)	$ 0	(71)				(71)
Settlement of capped calls	0		429		(429)		0
Reclassification of redeemable convertible notes, net	18		18				18
Conversion and repurchase of convertible notes	$ (2,243)		(2,310)				(2,243)
Decrease in treasury stock due to reissuance of treasury shares					67
Balance (in shares) at Aug. 30, 2018	1,170	1,170
Balance at Aug. 30, 2018	$ 33,164	$ 117	$ 8,201	$ 24,395	$ (429)	$ 10	$ 32,294	$ 870