STATEMENT OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total Micron Shareholders' Equity	Total Micron Shareholders' Equity Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling Interests in Subsidiaries
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 interest	18								0		18
Repurchase of stock (in shares)			(2)
Repurchase of stock	(71)		$ 0	(71)					(71)
Settlement of capped calls	0			429			(429)		0
Reclassification of redeemable convertible notes, net	18			18					18
Cash settlement and repurchase of convertible notes	(2,243)			(2,310)					(2,243)
Repurchase of convertible notes (treasury stock reissued to settle)							67
Balance (in shares) at Aug. 30, 2018			1,170
Balance at Aug. 30, 2018	33,164	$ 92	$ 117	8,201	24,395	$ 92	(429)	10	32,294	$ 92	870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,358
Net income (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 of stock (in shares)			(2)
Repurchase of stock	(2,728)		$ 0	103	(39)		(2,792)		(2,728)
Acquisitions of noncontrolling interest	(16)			1					1		(17)
Reclassification of redeemable convertible notes, net	3			3					3
Cash settlement 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,710
Net income (excluding redeemable noncontrolling interest)	2,702				2,687				2,687		15
Other comprehensive income (loss), net	62							62	62
Stock issued under stock plans (in shares)			14
Stock issued under stock plans	225		$ 1	224					225
Stock-based compensation expense	328			328					328
Repurchase of stock (in shares)			(2)
Repurchase of stock	(251)		$ 0	(11)	(64)		(176)		(251)
Acquisitions of noncontrolling interest	(784)			120					120		(904)
Settlement of capped calls	0			98			(98)		0
Cash settlement and repurchase of convertible notes	$ (56)			(56)					(56)
Balance (in shares) at Sep. 03, 2020	1,194		1,194
Balance at Sep. 03, 2020	$ 38,996		$ 119	$ 8,917	$ 33,384		$ (3,495)	$ 71	$ 38,996		$ 0