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Earnings Per Share (Tables)
 9 Months Ended
Jul. 28, 2013
Earnings Per Share [Abstract]  
Elements used in computing both basic and diluted net earnings per share
 
Three Months Ended
 
Nine Months Ended
 
July 28,
2013
 
July 29,
2012
 
July 28,
2013
 
July 29,
2012
 
 
 
 
 
 
 
 
 
(In millions, except per share amounts)
Numerator:
 
 
 
 
 
 
 
Net income
$
168

 
$
218

 
$
73

 
$
624

Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding
1,203

 
1,257

 
1,201

 
1,282

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

 
11

 
17

 
10

Denominator for diluted earnings per share
1,220

 
1,268

 
1,218

 
1,292

Basic earnings per share
$
0.14

 
$
0.17

 
$
0.06

 
$
0.49

Diluted earnings per share
$
0.14

 
$
0.17

 
$
0.06

 
$
0.48

Potentially dilutive securities
1

 
11

 
1

 
12