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Basis of Presentation (Total Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($)
$ in Millions
May 04, 2019
Feb. 02, 2019
May 05, 2018
Feb. 03, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]        
Cash and cash equivalents $ 1,561 $ 1,980 $ 1,848  
Restricted cash included in Other current assets 206 204 201  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Total $ 1,767 $ 2,184 $ 2,049 $ 1,300