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Stock-Based Compensation - Performance Share Awards, Restricted Stock Unit Awards and Unrestricted Common Stock Awards (Details) - $ / shares
3 Months Ended 6 Months Ended
Apr. 30, 2021
Jan. 29, 2021
May 01, 2020
Jan. 31, 2020
Apr. 30, 2021
May 01, 2020
Performance share awards            
Stock-Based Compensation            
Performance goal period         3 years  
Weighted-average fair value of awards granted (in dollars per share) $ 0 $ 90.59 $ 0 $ 77.33    
Performance share awards | Minimum            
Stock-Based Compensation            
Vesting (as a percent)         200.00%  
Performance share awards | Maximum            
Stock-Based Compensation            
Vesting (as a percent)         0.00%  
Restricted stock and restricted stock unit awards            
Stock-Based Compensation            
Weighted-average fair value of awards granted (in dollars per share)         $ 91.95 $ 76.12
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 8,920,000
Tranche One | Restricted stock and restricted stock unit awards            
Stock-Based Compensation            
Vesting (as a percent)         33.33%  
Tranche Two | Restricted stock and restricted stock unit awards            
Stock-Based Compensation            
Vesting (as a percent)         33.33%  
Tranche Three | Restricted stock and restricted stock unit awards            
Stock-Based Compensation            
Vesting (as a percent)         33.33%