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Debt and Credit Facilities - Additional Information (Details)
$ in Millions, ¥ in Billions
6 Months Ended
Aug. 01, 2015
JPY (¥)
Aug. 01, 2015
USD ($)
Jan. 31, 2015
USD ($)
Aug. 02, 2014
USD ($)
Letter of Credit [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Term 2 years      
Maximum borrowing capacity   $ 50    
Expiration date Sep. 30, 2016      
Borrowings   0    
5.95 Percent Notes Due April 2021        
Debt Instrument [Line Items]        
Aggregate principal amount of notes issued   $ 1,250    
Notes, interest rate 5.95% 5.95%    
Notes, maturity date Apr. 12, 2021      
Estimated fair value   $ 1,400 $ 1,440 $ 1,430
Japan Term Loan [Member]        
Debt Instrument [Line Items]        
Aggregate principal amount of notes issued | ¥ ¥ 15.0      
Notes, maturity date Jan. 15, 2018      
Estimated fair value   100 $ 106 $ 146
Debt Instrument, Date of First Required Payment Jan. 15, 2015      
Debt Instrument, Annual Principal Payment ¥ 2.5 20    
Long-term Debt, Maturities, Repayments of Principal in Year Three ¥ 7.5 60    
Foreign Facilities [Member]        
Debt Instrument [Line Items]        
Maximum borrowing capacity   50    
Borrowings   0    
Bank guarantees related to store leases   12    
Amended Five-Year Unsecured Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Term 5 years      
Maximum borrowing capacity   500    
Expiration date May 01, 2020      
Unsecured committed letter of credit amount   0    
Borrowings   0    
Standby Letters of Credit [Member]        
Debt Instrument [Line Items]        
Unsecured committed letter of credit amount   $ 21