CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Aug. 30, 2012	Sep. 01, 2011	Sep. 02, 2010
Income Statement [Abstract]
Net sales	$ 8,234	$ 8,788	$ 8,482
Cost of goods sold	7,266	7,030	5,768
Gross margin	968	1,758	2,714
Selling, general and administrative	620	592	528
Research and development	918	791	624
Other operating (income) expense, net	48	(380)	(27)
Operating income (loss)	(618)	755	1,589
Interest income	8	23	18
Interest expense	(179)	(124)	(178)
Gain on acquisition of Numonyx	0	0	437
Other non-operating income (expense), net	35	(103)	54
Total income (loss) before income taxes	(754)	551	1,920
Income tax provision	17	(203)	19
Equity in net loss of equity method investees	(294)	(158)	(39)
Net income (loss)	(1,031)	190	1,900
Net income attributable to noncontrolling interests	(1)	(23)	(50)
Net income (loss) attributable to Micron	$ (1,032)	$ 167	$ 1,850
Earnings (loss) per share:
Basic (in dollars per share)	$ (1.04)	$ 0.17	$ 2.09
Diluted (in dollars per share)	$ (1.04)	$ 0.17	$ 1.85
Number of shares used in per share calculations:
Basic (in shares)	991.2	988.0	887.5
Diluted (in shares)	991.2	1,007.5	1,050.7