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Earnings Per Share (Tables)
 12 Months Ended
Oct. 27, 2013
Earnings Per Share [Abstract]  
Elements used in computing both basic and diluted net earnings per share
 
2013
 
2012
 
2011
 
 
 
 
 
 
 
(In millions, except per share amounts)
Numerator:
 
 
 
 
 
Net income
$
256

 
$
109

 
$
1,926

Denominator:
 
 
 
 
 
Weighted average common shares outstanding
1,202

 
1,266

 
1,319

Effect of dilutive stock options, restricted stock units and employee stock purchase plan shares
17

 
11

 
11

Denominator for diluted earnings per share
1,219

 
1,277

 
1,330

Basic earnings per share
$
0.21

 
$
0.09

 
$
1.46

Diluted earnings per share
$
0.21

 
$
0.09

 
$
1.45

Potentially dilutive securities
2

 
9

 
16