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Long-Term Debt - Summary Of Long-term Debt (Details) - USD ($)
12 Months Ended
Apr. 19, 2018
Jan. 30, 2021
Feb. 01, 2020
Jan. 30, 2016
Debt Instrument [Line Items]        
Principal   $ 3,250,000,000.0 $ 3,800,000,000.0  
Unamortized Debt Discount and Issuance Costs   23,800,000 27,800,000  
Borrowing capacity   356,500,000    
3.70% Senior Notes, due 2023        
Debt Instrument [Line Items]        
Stated percentage 3.70%      
4.00% Senior Notes, due 2025        
Debt Instrument [Line Items]        
Stated percentage 4.00%      
4.20% Senior Notes, due 2028        
Debt Instrument [Line Items]        
Stated percentage 4.20%      
Senior Notes | 5.00% Senior Notes, due 2021        
Debt Instrument [Line Items]        
Principal   0 300,000,000.0 $ 300,000,000.0
Unamortized Debt Discount and Issuance Costs   $ 0 (2,400,000)  
Stated percentage   5.00%   5.00%
Senior Notes | Senior Floating Rate Notes, due 2020        
Debt Instrument [Line Items]        
Principal $ 750,000,000.0 $ 0 250,000,000.0  
Unamortized Debt Discount and Issuance Costs   0 200,000  
Senior Notes | 3.70% Senior Notes, due 2023        
Debt Instrument [Line Items]        
Principal $ 1,000,000,000.0 1,000,000,000.0 1,000,000,000.0  
Unamortized Debt Discount and Issuance Costs   $ 4,200,000 5,900,000  
Stated percentage 3.70% 3.70%    
Senior Notes | 4.00% Senior Notes, due 2025        
Debt Instrument [Line Items]        
Principal $ 1,000,000,000.0 $ 1,000,000,000.0 1,000,000,000.0  
Unamortized Debt Discount and Issuance Costs   $ 5,100,000 6,200,000  
Stated percentage 4.00% 4.00%    
Senior Notes | 4.20% Senior Notes, due 2028        
Debt Instrument [Line Items]        
Principal $ 1,250,000,000 $ 1,250,000,000.0 1,250,000,000.0  
Unamortized Debt Discount and Issuance Costs   $ 9,200,000 10,200,000  
Stated percentage 4.20% 4.20%    
Line of Credit        
Debt Instrument [Line Items]        
Borrowing capacity $ 2,030,000,000.00      
Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Principal   $ 0 0  
Unamortized Debt Discount and Issuance Costs   5,300,000 $ 7,700,000  
Borrowing capacity $ 1,250,000,000 $ 1,250,000,000    
Interest rate at period end   1.24%    
LIBOR | Senior Notes | Senior Floating Rate Notes, due 2020        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.70%      
LIBOR | Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.25% 1.125%