Earnings Per Share (Tables)

12 Months Ended

Sep. 01, 2011

Notes to Financial Statements [Abstract]

Basic and diluted earnings per share

	2011		2010		2009
Net income (loss) available to Micron shareholders – Basic	$	167	$	1,850	$	(1,882	)
Net effect of assumed conversion of debt	—		93		—
Net income (loss) available to Micron shareholders – Diluted	$	167	$	1,943	$	(1,882	)
Weighted-average common shares outstanding – Basic	988.0		887.5		800.7
Net effect of dilutive equity awards, escrow shares and assumed conversion of debt	19.5		163.2		—
Weighted-average common shares outstanding – Diluted	1,007.5		1,050.7		800.7
Earnings (loss) per share:
Basic	$	0.17	$	2.09	$	(2.35	)
Diluted	0.17		1.85		(2.35		)

Schedule of potential common shares excluded in the computation of diluted earnings per share because they would have been antidilutive

Listed below are the potential common shares, as of the end of the periods shown, that could dilute basic earnings per share in the future that were not included in the computation of diluted earnings per share because to do so would have been antidilutive:

	2011	2010	2009
Employee stock plans	81.4	92.2	126.0
Convertible notes	182.7	—	142.8