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 Interest in Subsidiary
Balance (in shares) at Aug. 29, 2019		1,182
Balance (2020) 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 (2020 excluding redeemable noncontrolling interest)	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 of stock (in shares)		0
Repurchase of stock	(90)	$ 0	(6)	(34)	(50)		(90)
Acquisition of noncontrolling interest	(781)		123				123	(904)
Cash settlement of convertible notes	(6)		(6)				(6)
Balance (in shares) at Nov. 28, 2019		1,185
Balance (2020) 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
Balance (2020) 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 (2021)	896
Other comprehensive income (loss), net	(18)
Balance (in shares) at Feb. 27, 2020		1,191
Balance (2020) at Feb. 27, 2020	37,023	$ 119	8,725	31,602	(3,414)	(9)	37,023	0
Balance (in shares) at Nov. 28, 2019		1,185
Balance (2020) at Nov. 28, 2019	36,500	$ 119	8,428	31,218	(3,271)	6	36,500	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (2021)	405
Net income (2020 excluding redeemable noncontrolling interest)	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 of stock (in shares)		(1)
Repurchase of stock	(70)	$ 0	(4)	(21)	(45)		(70)
Settlement of capped calls	0		98		(98)		0
Cash settlement of convertible notes	(3)		(3)				(3)
Balance (in shares) at Feb. 27, 2020		1,191
Balance (2020) at Feb. 27, 2020	$ 37,023	$ 119	8,725	31,602	(3,414)	(9)	$ 37,023	$ 0
Balance (in shares) at Sep. 03, 2020	1,194	1,194
Balance (2021) at Sep. 03, 2020	$ 38,996	$ 119	8,917	33,384	(3,495)	71
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (2021)	803			803
Other comprehensive income (loss), net	39					39
Stock issued under stock plans (in shares)		5
Stock issued under stock plans	34	$ 1	33
Stock-based compensation expense	92		92
Repurchase of stock (in shares)		(1)
Repurchase of stock	(57)	$ 0	(8)	(49)
Balance (in shares) at Dec. 03, 2020		1,198
Balance (2021) at Dec. 03, 2020	$ 39,907	$ 120	9,034	34,138	(3,495)	110
Balance (in shares) at Sep. 03, 2020	1,194	1,194
Balance (2021) at Sep. 03, 2020	$ 38,996	$ 119	8,917	33,384	(3,495)	71
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (2021)	1,406
Other comprehensive income (loss), net	$ 10
Balance (in shares) at Mar. 04, 2021	1,202	1,202
Balance (2021) at Mar. 04, 2021	$ 40,663	$ 120	9,234	34,723	(3,495)	81
Balance (in shares) at Dec. 03, 2020		1,198
Balance (2021) at Dec. 03, 2020	39,907	$ 120	9,034	34,138	(3,495)	110
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (2021)	603			603
Other comprehensive income (loss), net	(29)					(29)
Stock issued under stock plans (in shares)		4
Stock issued under stock plans	105	$ 0	105
Stock-based compensation expense	97		97
Repurchase of stock (in shares)		0
Repurchase of stock	$ (20)	$ 0	(2)	(18)
Balance (in shares) at Mar. 04, 2021	1,202	1,202
Balance (2021) at Mar. 04, 2021	$ 40,663	$ 120	$ 9,234	$ 34,723	$ (3,495)	$ 81