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Stock-based Compensation Plans - Schedule of Option Exercise Prices (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2,886 3,657 5,000 5,636
Options, Exercisable, Number 2,407 2,637 3,468  
Exercise Price Range From $ 21.22 To $ 31.81 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 21.02      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 31.81      
Exercise Price Range, Number of Outstanding Options 790      
Stock Options Weighted Average Remaining Contractual Life 4.0      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 27,330.00      
Options, Outstanding, Intrinsic Value $ 0      
Exercise Price Range, Number of Exercisable Options 604      
weighted average reamining contractual term 3.9      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 26,720.00      
Options, Exercisable, Intrinsic Value $ 0      
Exercise Price Range From $ 32.18 To $ 40.92 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 32.82      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 40.92      
Exercise Price Range, Number of Outstanding Options 1,380      
Stock Options Weighted Average Remaining Contractual Life 3.3      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 36,850.00      
Options, Outstanding, Intrinsic Value $ 0      
Exercise Price Range, Number of Exercisable Options 1,140      
weighted average reamining contractual term 3      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 36,870.00      
Options, Exercisable, Intrinsic Value $ 0      
Exercise Price Range From $ 42.48 To $ 69.91 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 40.93      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 69.91      
Exercise Price Range, Number of Outstanding Options 716      
Stock Options Weighted Average Remaining Contractual Life 2.5      
Exercise Price Range, Outstanding Options, Weighted Average Exercise Price $ 57,350.00      
Options, Outstanding, Intrinsic Value $ 0      
Exercise Price Range, Number of Exercisable Options 663      
weighted average reamining contractual term 2.3      
Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 58,440.00      
Options, Exercisable, Intrinsic Value $ 0