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Share Repurchase (Tables)
 12 Months Ended
Jan. 30, 2016
Equity [Abstract]  
Schedule of Share repurchases
Share Repurchases
(millions, except per share data)
2015

2014

2013

Total number of shares purchased (a)
44.7

0.8

21.9

Average price paid per share
$
77.07

$
54.07

$
67.41

Total investment
$
3,441

$
41

$
1,474