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Fair Value Measurements (Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($)
$ in Millions
Feb. 01, 2020
Feb. 02, 2019
Assets:    
Cash and Cash Equivalents $ 1,499 $ 1,413
Investments, Fair Value Disclosure   11
Foreign Currency Cash Flow Hedge Asset at Fair Value 1 2
Foreign Currency Cash Flow Hedge Liability at Fair Value 1  
Fair Value, Inputs, Level 1    
Assets:    
Cash and Cash Equivalents 1,499 1,413
Investments, Fair Value Disclosure   11
Foreign Currency Cash Flow Hedge Asset at Fair Value 0 0
Foreign Currency Cash Flow Hedge Liability at Fair Value 0  
Fair Value, Inputs, Level 2    
Assets:    
Cash and Cash Equivalents 0 0
Investments, Fair Value Disclosure   0
Foreign Currency Cash Flow Hedge Asset at Fair Value 1 2
Foreign Currency Cash Flow Hedge Liability at Fair Value 1  
Fair Value, Inputs, Level 3    
Assets:    
Cash and Cash Equivalents 0 0
Investments, Fair Value Disclosure   0
Foreign Currency Cash Flow Hedge Asset at Fair Value 0 $ 0
Foreign Currency Cash Flow Hedge Liability at Fair Value $ 0