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Change in Accounting Principle (Details) - USD ($)
$ in Millions
3 Months Ended
May 03, 2019
May 04, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cost of sales $ 12,160 $ 11,612
Selling, general and administrative 3,862 3,934
Depreciation and amortization $ 302 349
Shipping and Handling Expenses    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cost of sales   265
Selling, general and administrative   (255)
Depreciation and amortization   $ (10)