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Debt - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Nov. 03, 2018
Feb. 03, 2018
Oct. 28, 2017
Debt Instrument [Line Items]      
Unamortized debt discount $ 13 $ 18 $ 19
Long-term Debt, Fair Value 2,300 $ 2,900 $ 2,900
Reduction of long-term borrowings 530    
Loss on extinguishment of debt 42    
Premiums paid to holders as a result of tender offer 35    
Senior Notes [Member]      
Debt Instrument [Line Items]      
Reduction of long-term borrowings 530    
Loss on extinguishment of debt 42    
Premiums paid to holders as a result of tender offer 35    
Non cash write off of interest rate hedge on tendered debt 4    
Non cash write off of deferred financing costs and original issue discounts on extinguished debt 3    
Senior Notes [Member] | Repurchased pursuant to Cash Tender Offer [Member]      
Debt Instrument [Line Items]      
Reduction of long-term borrowings 500    
Senior Notes [Member] | Repurchased on Open Market [Member]      
Debt Instrument [Line Items]      
Reduction of long-term borrowings $ 30