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Share-Based Compensation
 6 Months Ended
Aug. 04, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share-Based Compensation
Share-based compensation expense recognized in the Condensed Consolidated Statements of Income, primarily in operating expenses, is as follows:
 
13 Weeks Ended
 
26 Weeks Ended
($ in millions)
August 4,
2018
 
July 29,
2017
 
August 4,
2018
 
July 29,
2017
Stock units
$
22

 
$
18

 
$
38

 
$
33

Stock options
4

 
3

 
8

 
7

Employee stock purchase plan
1

 
1

 
2

 
2

Share-based compensation expense
27

 
22

 
48

 
42

Less: Income tax benefit
(6
)
 
(8
)
 
(12
)
 
(16
)
Share-based compensation expense, net of tax
$
21

 
$
14

 
$
36

 
$
26