STATEMENT OF CHANGES IN EQUITY (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Additional Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Micron Shareholders' Equity [Member]	Noncontrolling Interests in Subsidiaries [Member]
Balance at Sep. 01, 2011	$ 9,852	$ 98	$ 8,610	$ (370)	$ 132	$ 8,470	$ 1,382
Common Stock, outstanding (in shares) at Sep. 01, 2011		984
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,031)			(1,032)		(1,032)	1
Other comprehensive income (loss)	(58)				(52)	(52)	(6)
Contributions from noncontrolling interests	197					0	197
Issuance and repurchase of convertible notes	191		191			191
Conversion of 2013 notes	138	3	135			138
Conversion of 2013 Notes (in shares)		27
Stock-based compensation expense	87		87			87
Stock issued under stock plans	6	1	5			6
Stock issued under stock plans (in shares)		8
Acquisition of noncontrolling interests	(466)					0	(466)
Distributions to noncontrolling interests	(391)					0	(391)
Purchase and settlement of capped calls	(102)		(102)			(102)
Repurchase and retirement of common stock	(6)	0	(6)	0		(6)
Repurchase and retirement of common stock (in shares)		(1)
Balance at Aug. 30, 2012	8,417	102	8,920	(1,402)	80	7,700	717
Balance (in shares) at Aug. 30, 2012		1,018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,194			1,190		1,190	4
Other comprehensive income (loss)	(16)				(17)	(17)	1
Contributions from noncontrolling interests	11					0	11
MMJ Acquisition	168					0	168
Stock-based compensation expense	91		91			91
Stock issued under stock plans	150	2	148			150
Stock issued under stock plans (in shares)		27
Distributions to noncontrolling interests	(37)					0	(37)
Purchase and settlement of capped calls	(24)		(24)			(24)
Exchange, issuance and repurchase of convertible notes impact on to additional paid in capital	57		57			57
Repurchase and retirement of common stock	(5)	0	(5)	0		(5)
Repurchase and retirement of common stock (in shares)		(1)
Balance at Aug. 29, 2013	10,006	104	9,187	(212)	63	9,142	864
Balance (in shares) at Aug. 29, 2013	1,044	1,044
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,079			3,045		3,045	34
Other comprehensive income (loss)	(7)				(7)	(7)
Contributions from noncontrolling interests	102					0	102
Stock-based compensation expense	115		115			115
Stock issued under stock plans	266	4	262			266
Stock issued under stock plans (in shares)		36
Acquisition of noncontrolling interests	(146)		34			34	(180)
Distributions to noncontrolling interests	(18)					0	(18)
Purchase and settlement of capped calls	86		86			86
Exchange, issuance and repurchase of convertible notes impact on to additional paid in capital	(1,691)		(1,691)			(1,691)
Redeemable convertible notes	(57)		(57)			(57)
Repurchase and retirement of common stock	(162)	(1)	(57)	(104)		(162)
Repurchase and retirement of common stock (in shares)		(7)
Balance at Aug. 28, 2014	$ 11,573	$ 107	$ 7,879	$ 2,729	$ 56	$ 10,771	$ 802
Balance (in shares) at Aug. 28, 2014	1,073	1,073