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Data Breach (Tables)
 6 Months Ended
Aug. 01, 2015
Commitments and Contingencies Disclosure [Abstract]  
Data Breach Balance Sheet Rollforward
Expenses Incurred and Amounts Accrued  

Data Breach Balance Sheet Rollforward
(millions)
Liabilities

 
Insurance Receivable

Balance at February 1, 2014
$
61

 
$
44

Expenses incurred/insurance receivable recorded (a)
175

 
46

Payments made/received
(54
)
 
(20
)
Balance at August 2, 2014
$
182

 
$
70


Balance at January 31, 2015
$
171

 
$
60

Expenses incurred/insurance receivable recorded (a)
12

 
—

Payments made/received
(15
)
 
(5
)
Balance at August 1, 2015
$
168

 
$
55

(a) Includes expenditures and accruals for Data Breach-related costs and expected insurance recoveries as discussed below.