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Stock-Based Compensation - Performance Share Awards, Restricted Stock Unit Awards and Unrestricted Common Stock Awards (Details) - $ / shares
3 Months Ended 9 Months Ended
Jul. 30, 2021
Apr. 30, 2021
Jan. 29, 2021
Jul. 31, 2020
May 01, 2020
Jan. 31, 2020
Jul. 30, 2021
Jul. 31, 2020
Performance share awards                
Stock-Based Compensation                
Performance goal period             3 years  
Weighted-average fair value of awards granted (in dollars per share) $ 0 $ 0 $ 90.59 $ 0 $ 0 $ 77.33    
Performance share awards | Maximum                
Stock-Based Compensation                
Vesting percentage             200.00%  
Performance share awards | Minimum                
Stock-Based Compensation                
Vesting percentage             0.00%  
Restricted stock and restricted stock unit awards                
Stock-Based Compensation                
Weighted-average fair value of awards granted (in dollars per share)             $ 97.84 $ 74.43
Unrestricted common stock awards | Board of Directors                
Stock-Based Compensation                
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period (in shares) 0 0 8,070,000 0 0 8,920,000    
Tranche One | Stock option awards | Board of Directors                
Stock-Based Compensation                
Vesting percentage             33.33%  
Tranche One | Restricted stock and restricted stock unit awards                
Stock-Based Compensation                
Vesting percentage             33.33%  
Tranche Two | Stock option awards | Board of Directors                
Stock-Based Compensation                
Vesting percentage             33.33%  
Tranche Two | Restricted stock and restricted stock unit awards                
Stock-Based Compensation                
Vesting percentage             33.33%  
Tranche Three | Stock option awards | Board of Directors                
Stock-Based Compensation                
Vesting percentage             33.33%  
Tranche Three | Restricted stock and restricted stock unit awards                
Stock-Based Compensation                
Vesting percentage             33.33%