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Net Income Per Section Net Income Per Section (Tables)
 9 Months Ended
Oct. 28, 2017
Net Income Per Section [Abstract]  
Basic and diluted net income per share calculation
The information required to compute basic and diluted net income per share is as follows:
 
Three Months Ended
Nine Months Ended
(Dollar and Shares in Millions, Except per Share Data)
October 28,
2017
October 29,
2016
October 28,
2017
October 29,
2016
Numerator—Net income
$
117

$
146

$
391

$
303

Denominator—Weighted average shares:
 
 
 
 
Basic
166

177

168

180

Impact of dilutive stock-based awards
—

—

—

—

Diluted
166

177

168

180

Antidilutive shares
2

3

3

4

Net income per share:
 
 
 
 
Basic
$
0.70

$
0.83

$
2.33

$
1.68

Diluted
$
0.70

$
0.83

$
2.32

$
1.68