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Income Taxes (Components of Earnings before Provision for Income Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2020
Feb. 03, 2019
Jan. 28, 2018
Income Tax Disclosure [Abstract]      
U.S. $ 13,770 $ 13,456 $ 12,682
Foreign 945 1,100 1,016
Total $ 14,715 $ 14,556 $ 13,698