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Debt and Credit Facilities - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 2,250,000,000   $ 2,250,000,000  
Gain (Loss) on Extinguishment of Debt 0 $ 58,000,000 0 $ 58,000,000
Estimated fair value 2,530,000,000   2,530,000,000  
2023 Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 500,000,000   $ 500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 8.375%   8.375%  
2025 Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 750,000,000   $ 750,000,000  
Debt Instrument, Interest Rate, Stated Percentage 8.625%   8.625%  
2027 Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 1,000,000,000   $ 1,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage 8.875%   8.875%  
ABL Facility [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum borrowing capacity $ 1,867,500,000   $ 1,867,500,000  
Unsecured committed letter of credit amount 52,000,000   52,000,000  
Borrowings 0   0  
2021 Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount   $ 1,250,000,000   $ 1,250,000,000
Debt Instrument, Interest Rate, Stated Percentage   5.95%   5.95%
Foreign Facilities [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum borrowing capacity 49,000,000   49,000,000  
Borrowings 0   0  
Bank guarantees related to store leases 10,000,000   10,000,000  
Standby Letters of Credit [Member]        
Debt Instrument [Line Items]        
Unsecured committed letter of credit amount $ 0   $ 0