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Commitments and Contingencies (Tables)
 12 Months Ended
Jan. 30, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Data Breach Expenses Incurred and Amounts Accrued
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)
191

 
46

Payments made/received
(81
)
 
(30
)
Balance at January 31, 2015
$
171

 
$
60

Expenses incurred/insurance receivable recorded (a)
39

 
—

Payments made/received
(130
)
 
(40
)
Balance at January 30, 2016
$
80

 
$
20

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