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Fair Value Measurements (Fair Value, Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($)
$ in Millions
Aug. 03, 2019
Feb. 02, 2019
Aug. 04, 2018
Assets:      
Cash and Cash Equivalents $ 853 $ 1,413 $ 843
Available-for-sale Securities 2 11 11
Foreign Currency Cash Flow Hedge Asset at Fair Value 3 2 3
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value     1
Fair Value, Inputs, Level 1 [Member]      
Assets:      
Cash and Cash Equivalents 853 1,413 843
Available-for-sale Securities 2 11 11
Foreign Currency Cash Flow Hedge Asset at Fair Value 0 0 0
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value     0
Fair Value, Inputs, Level 2 [Member]      
Assets:      
Cash and Cash Equivalents 0 0 0
Available-for-sale Securities 0 0 0
Foreign Currency Cash Flow Hedge Asset at Fair Value 3 2 3
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value     1
Fair Value, Inputs, Level 3 [Member]      
Assets:      
Cash and Cash Equivalents 0 0 0
Available-for-sale Securities 0 0 0
Foreign Currency Cash Flow Hedge Asset at Fair Value $ 0 $ 0 0
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value     $ 0