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Stock-based Compensation Plans - Schedule of Option Exercise Prices (Details)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Oct. 31, 2019
USD ($)
years
$ / shares
shares
Oct. 31, 2018
shares
Oct. 31, 2017
shares
Oct. 31, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares 1,737 1,780 2,408 2,835
Options, Exercisable, Number | shares 1,242 1,396 2,073  
Stock Options Outstanding [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares 1,737      
Stock Options Outstanding [Member] | Exercise Price Range From $ 21.22 To $ 31.81 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price Range, Number of Outstanding Options | shares 750      
Stock Options Weighted Average Remaining Contractual Life | years 3,300      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 28.64      
Options, Outstanding, Intrinsic Value | $ $ 2.0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 10.60      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 31.19      
Stock Options Outstanding [Member] | Exercise Price Range From $ 32.18 To $ 40.92 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price Range, Number of Outstanding Options | shares 713      
Stock Options Weighted Average Remaining Contractual Life | years 3,800      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 36.30      
Options, Outstanding, Intrinsic Value | $ $ 0.0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 31.20      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 39.32      
Stock Options Outstanding [Member] | Exercise Price Range From $ 42.48 To $ 69.91 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price Range, Number of Outstanding Options | shares 274      
Stock Options Weighted Average Remaining Contractual Life | years 6,300      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 41.56      
Options, Outstanding, Intrinsic Value | $ $ 0.0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 39.33      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 43.86      
Stock Options Exercisable [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options, Exercisable, Number | shares 1,242      
Stock Options Exercisable [Member] | Exercise Price Range From $ 21.22 To $ 31.81 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options Weighted Average Remaining Contractual Life | years 2,400      
Exercise Price Range, Number of Exercisable Options | shares 627      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 28.83      
Options, Exercisable, Intrinsic Value | $ $ 1.5      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 10.60      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 31.19      
Stock Options Exercisable [Member] | Exercise Price Range From $ 32.18 To $ 40.92 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options Weighted Average Remaining Contractual Life | years 900      
Exercise Price Range, Number of Exercisable Options | shares 470      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 36.96      
Options, Exercisable, Intrinsic Value | $ $ 0.0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 31.20      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 39.32      
Stock Options Exercisable [Member] | Exercise Price Range From $ 42.48 To $ 69.91 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options Weighted Average Remaining Contractual Life | years 4,400      
Exercise Price Range, Number of Exercisable Options | shares 145      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 42.41      
Options, Exercisable, Intrinsic Value | $ $ 0.0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 39.33      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 43.86