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 Subsidiary
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	$ 33,164	$ 92	$ 117	$ 8,201	$ 24,395	$ 92	$ (429)	$ 10	$ 32,294	$ 92	$ 870
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]
Cumulative effect of adoption new accounting standard	34,739	92	$ 117	8,350	27,769	92	(2,362)	(5)	33,869	92	870
Net income	3,293				3,293				3,293		0
Other comprehensive income (loss), net	(15)							(15)	(15)
Stock issued under stock plans (in shares)			3
Stock issued under stock plans	15		$ 0	15					15
Stock-based compensation expense	61			61					61
Repurchase and retirement of stock (in shares)			(1)
Repurchase and retirement of stock			$ 0		(11)
Repurchase of stock, accelerated share repurchase program adj				108
Repurchase of treasury stock							(1,933)
Repurchase of treasury stock (held and retired)	(1,836)								(1,836)
Reclassification of redeemable convertible notes, net	1			1					1
Conversion and repurchase of convertible notes	(36)			(36)					(36)
Balance (in shares) at Nov. 29, 2018			1,172
Balance at Nov. 29, 2018	34,739		$ 117	8,350	27,769		(2,362)	(5)	33,869		870
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]
Cumulative effect of adoption new accounting standard	35,430	$ 92	$ 118	8,143	29,364	$ 92	(3,064)	6	34,567	$ 92	863
Other comprehensive income (loss), net	(4)
Balance (in shares) at Feb. 28, 2019			1,178
Balance at Feb. 28, 2019	35,430		$ 118	8,143	29,364		(3,064)	6	34,567		863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	34,739		$ 117	8,350	27,769		(2,362)	(5)	33,869		870
Balance (in shares) at Nov. 29, 2018			1,172
Balance at Nov. 29, 2018	34,739		$ 117	8,350	27,769		(2,362)	(5)	33,869		870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	35,430		$ 118	8,143	29,364		(3,064)	6	34,567		863
Net income	1,624				1,619				1,619		5
Other comprehensive income (loss), net	11							11	11
Stock issued under stock plans (in shares)			7
Stock issued under stock plans	77		$ 1	76					77
Stock-based compensation expense	57			57					57
Repurchase and retirement of stock (in shares)			(1)
Repurchase and retirement of stock			$ 0	(5)	(24)
Repurchase of treasury stock							(702)
Repurchase of treasury stock (held and retired)	(731)								(731)
Acquisitions of noncontrolling interests	(12)								0		(12)
Reclassification of redeemable convertible notes, net	1			1					1
Conversion and repurchase of convertible notes	(336)			(336)					(336)
Balance (in shares) at Feb. 28, 2019			1,178
Balance at Feb. 28, 2019	35,430		$ 118	8,143	29,364		(3,064)	6	34,567		863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	35,430		118	8,143	29,364		(3,064)	6	34,567		863
Cumulative effect of adoption new accounting standard	$ 36,770		$ 118	8,214	30,761		(3,221)	9	35,881		889
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]
Cumulative effect of adoption new accounting standard	36,500		$ 119	8,428	31,218		(3,271)	6	36,500		0
Net income	506				491				491		15
Other comprehensive income (loss), net	(3)							(3)	(3)
Stock issued under stock plans (in shares)			3
Stock issued under stock plans	32		$ 1	31					32
Stock-based compensation expense	72			72					72
Repurchase and retirement of stock (in shares)			0
Repurchase and retirement of stock			$ 0	(6)	(34)
Repurchase of treasury stock							(50)
Repurchase of treasury stock (held and retired)	(90)								(90)
Acquisitions of noncontrolling interests	(781)			123					123		(904)
Conversion and repurchase of convertible notes	(6)			(6)					(6)
Balance (in shares) at Nov. 28, 2019			1,185
Balance at Nov. 28, 2019	$ 36,500		$ 119	8,428	31,218		(3,271)	6	36,500		0
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]
Cumulative effect of adoption new accounting standard	36,770		$ 119	8,725	31,602		(3,414)	(9)	37,023		0
Other comprehensive income (loss), net	(18)
Conversion and repurchase of convertible notes	$ (9)
Balance (in shares) at Feb. 27, 2020	1,191		1,191
Balance at Feb. 27, 2020	$ 37,023		$ 119	8,725	31,602		(3,414)	(9)	37,023		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	36,500		$ 119	8,428	31,218		(3,271)	6	36,500		0
Balance (in shares) at Nov. 28, 2019			1,185
Balance at Nov. 28, 2019	36,500		$ 119	8,428	31,218		(3,271)	6	36,500		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	36,500		$ 119	8,725	31,602		(3,414)	(9)	37,023		0
Net income	405				405				405		0
Other comprehensive income (loss), net	(15)							(15)	(15)
Stock issued under stock plans (in shares)			7
Stock issued under stock plans	121		$ 0	121					121
Stock-based compensation expense	85			85					85
Repurchase and retirement of stock (in shares)			(1)
Repurchase and retirement of stock			$ 0	(4)	(21)
Repurchase of treasury stock							(45)
Repurchase of treasury stock (held and retired)	(70)								(70)
Settlement of capped calls	0			98			(98)		0
Conversion and repurchase of convertible notes	$ (3)			(3)					(3)
Balance (in shares) at Feb. 27, 2020	1,191		1,191
Balance at Feb. 27, 2020	$ 37,023		$ 119	8,725	31,602		(3,414)	(9)	37,023		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption new accounting standard	$ 37,023		$ 119	$ 8,725	$ 31,602		$ (3,414)	$ (9)	$ 37,023		$ 0