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Share Repurchases (Tables)
 6 Months Ended
Aug. 01, 2015
Disclosure Share Repurchase Activity [Abstract]  
Share Repurchase Activity
Share repurchase activity is as follows:
 
13 Weeks Ended
 
26 Weeks Ended
($ and shares in millions except average per share cost)
August 1,
2015
 
August 2,
2014
 
August 1,
2015
 
August 2,
2014
Number of shares repurchased
10.0

 
9.0

 
15.6

 
14.6

Total cost
$
377

 
$
364

 
$
607

 
$
583

Average per share cost including commissions
$
37.60

 
$
40.61

 
$
38.82

 
$
40.09