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Guarantees (Tables)
3 Months Ended
May. 01, 2016
Notes to financial statements [Abstract]  
Guarantees
 
May 1,
 
January 31,
 
2016
 
2016
 
(In millions)
Balance at beginning of period
$
11

 
$
8

Additions
1

 
27

Deductions
(2
)
 
(24
)
Balance at end of period 
$
10

 
$
11