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. 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	5,090			5,089			5,089	1
Other comprehensive income (loss), net	64					64	64
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
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	14,138			14,135			14,135	3
Other comprehensive income (loss), net	$ (19)					(19)	(19)
Stock issued in public offering (in shares)	34	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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,358
Net income (loss), excluding redeemable noncontrolling interest	6,349			6,313			6,313	36
Other comprehensive income (loss), net	(1)					(1)	(1)
Stock issued under stock plans (in shares)		14
Stock issued under stock plans	179	$ 1	178				179
Stock-based compensation expense	243		243				243
Repurchase and retirement of stock (in shares)		(2)
Repurchase and retirement of stock		$ 0		(39)
Repurchase of stock, accelerated share repurchase program adj			103
Repurchase of treasury stock					(2,792)
Repurchase of treasury stock (held and retired)	(2,728)						(2,728)
Acquisitions of noncontrolling interests	(16)		1				1	(17)
Reclassification of redeemable convertible notes, net	3		3				3
Conversion and repurchase of convertible notes	$ (515)		(515)				(515)
Balance (in shares) at Aug. 29, 2019	1,182	1,182
Balance at Aug. 29, 2019	$ 36,770	$ 118	$ 8,214	$ 30,761	$ (3,221)	$ 9	$ 35,881	$ 889