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Debt and Derivative Instruments (Derivatives) (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2020
Feb. 03, 2019
Cross Currency Swap    
Derivative [Line Items]    
Gain on cross currency swap agreement $ 118  
Net Investment Hedging [Member] | Forward Contracts [Member]    
Derivative [Line Items]    
Notional amount 1,200  
Cash Flow Hedging [Member] | Cross Currency Swap    
Derivative [Line Items]    
Notional amount   $ 326
Cash Flow Hedging [Member] | Cross Currency Swap | Other Assets    
Derivative [Line Items]    
Asset fair value of cash flow hedge   121
Fair Value Hedging [Member] | Interest Rate Swap    
Derivative [Line Items]    
Notional amount 2,100 $ 1,300
Fair value of agreements $ 120