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Earnings Per Share
 9 Months Ended
May 30, 2013
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 185.4 million and 373.8 million for the third quarter and first nine months of 2013, respectively, and were 379.7 million for the third quarter and first nine months of 2012.

 
 
Quarter Ended
 
Nine Months Ended
 
 
May 30,
2013
 
May 31,
2012
 
May 30,
2013
 
May 31,
2012
Net income (loss) available to Micron shareholders - basic and diluted
 
$
43

 
$
(320
)
 
$
(518
)
 
$
(789
)
 
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding - basic
 
1,024.0

 
987.3

 
1,017.9

 
983.9

Net effect of dilutive equity awards and convertible notes
 
22.6

 
—

 
—

 
—

Weighted-average common shares outstanding - diluted
 
1,046.6

 
987.3

 
1,017.9

 
983.9

 
 
 
 
 
 
 
 
 
Earnings (loss) per share:
 
 
 
 
 
 
 
 
Basic
 
$
0.04

 
$
(0.32
)
 
$
(0.51
)
 
$
(0.80
)
Diluted
 
0.04

 
(0.32
)
 
(0.51
)
 
(0.80
)