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Earnings Per Share And Shareholders' Equity (Dividends) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 01, 2021
May 02, 2020
Earnings Per Share And Shareholders' Equity [Abstract]    
Ordinary Dividends $ 0 $ 0.30
Payments of Dividends $ 0 $ 83