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Shareholders' Equity (Stock Option Activity) (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 28, 2023
USD ($)
$ / shares
shares
Stock Options  
Outstanding 700,000
Weighted-Average Exercise Price per Share  
Outstanding | $ / shares $ 60.91
Employee Stock Option [Member]  
Stock Options  
Outstanding 835,000
Granted 0
Exercised (112,000)
Forfeited/canceled (3,000)
Outstanding 720,000
Vested or expected to vest 720,000
Exercisable 368,000
Weighted-Average Exercise Price per Share  
Outstanding | $ / shares $ 57.39
Exercised | $ / shares 34.83
Forfeited/canceled | $ / shares 51.63
Outstanding | $ / shares 60.91
Vested or expected to vest | $ / shares 60.91
Exercisable | $ / shares $ 54.94
Weighted-Average Remaining Contractual Term [Abstract]  
Outstanding 5 years 7 months 6 days
Exercisable 4 years 10 months 24 days
Aggregate Intrinsic Value [Abstract]  
Outstanding | $ $ 17
Exercisable | $ $ 11