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Repurchase of Common Stock (Schedule of share repurchases) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
May 02, 2020
May 04, 2019
Repurchase of Common Stock [Abstract]    
Total cost of shares repurchased $ 56 $ 106
Average price per share $ 86.30 $ 70.77
Number of shares repurchased 0.6 1.5