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Earnings Per Share
 3 Months Ended
Nov. 29, 2012
Disclosure Text Block [Abstract]  
Earnings Per Share
Earnings Per Share

Basic earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding.  Diluted earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding plus the dilutive effects of equity awards and convertible notes.  Potential common shares that would increase earnings per share amounts or decrease loss per share amounts are antidilutive and are therefore excluded from diluted earnings per share calculations.  Antidilutive potential common shares that could dilute basic earnings per share in the future were 356.8 million and 285.5 million for the first quarters of 2013 and 2012, respectively.

Quarter ended
 
November 29,
2012
 
December 1,
2011
Net loss available to Micron shareholders - basic and diluted
 
$
(275
)
 
$
(187
)
 
 
 
 
 
Weighted-average common shares outstanding - basic and diluted
 
1,013.7

 
981.4

 
 
 
 
 
Loss per share:
 
 
 
 
Basic
 
$
(0.27
)
 
$
(0.19
)
Diluted
 
(0.27
)
 
(0.19
)