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Earnings Per Share (Tables)
 12 Months Ended
Oct. 28, 2012
Earnings Per Share [Abstract]  
Elements used in computing both basic and diluted net earnings per share
 
2012
 
2011
 
2010
 
 
 
 
 
 
 
(In millions, except per share amounts)
Numerator:
 
 
 
 
 
Net income
$
109

 
$
1,926

 
$
938

Denominator:
 
 
 
 
 
Weighted average common shares outstanding
1,266

 
1,319

 
1,340

Effect of dilutive stock options, restricted stock units and employee stock purchase plan shares
11

 
11

 
9

Denominator for diluted earnings per share
1,277

 
1,330

 
1,349

Basic earnings per share
$
0.09

 
$
1.46

 
$
0.70

Diluted earnings per share
$
0.09

 
$
1.45

 
$
0.70

Potentially dilutive securities
9

 
16

 
34