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Debt (Narrative) (Short-Term Debt) (Details) - Revolving Credit Facility [Member] - USD ($)
3 Months Ended
May 04, 2019
Feb. 02, 2019
May 05, 2018
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 $ 0