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Debt (Narrative) (Short-Term Debt) (Details) - USD ($)
6 Months Ended
Jul. 31, 2021
May 01, 2021
Jan. 30, 2021
Five-Year Facility Agreement [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity $ 1,250,000,000    
Debt instrument, term 5 years    
Outstanding borrowings   $ 0 $ 0
Five-Year Facility Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 0.50%    
Five-Year Facility Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 1.00%    
Five-Year Facility Agreement [Member] | Minimum [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Facility fee 0.07%    
Five-Year Facility Agreement [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 0.805%    
Five-Year Facility Agreement [Member] | Minimum [Member] | Alternative Base Rate [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 0.00%    
Five-Year Facility Agreement [Member] | Maximum [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Facility fee 0.15%    
Five-Year Facility Agreement [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 1.225%    
Five-Year Facility Agreement [Member] | Maximum [Member] | Alternative Base Rate [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Variable interest rate 0.225%    
Bank Advance [Member]      
Line of Credit Facility [Line Items]      
Interest rate 0.14%    
Debt Instrument, Face Amount $ 110,000,000