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STOCK OPTION AND RESTRICTED STOCK AWARDS (Details) (USD $)
6 Months Ended
Apr. 30, 2013
Share-based Compensation, Aggregate Disclosures  
Number of additional shares authorized for grant related to stock option and restricted stock awards 10,300,000
Stock Options
 
Share-based Compensation, Aggregate Disclosures  
Options granted (in shares) 2,500,000
Options granted, weighted-average exercise price (in dollars per share) 86.36
Options granted, weighted-average fair value (in dollars per share) 23.73
Options outstanding (in shares) 16,400,000
Options outstanding, weighted-average exercise price (in dollars per share) 64.11
Fair value assumptions method used lattice model
Restricted Stock Units
 
Share-based Compensation, Aggregate Disclosures  
Restricted stock units granted (in shares) 248,000
Restricted Stock Units Subject to Service-based Conditions
 
Share-based Compensation, Aggregate Disclosures  
Restricted stock units granted (in shares) 104,000
Restricted stock units granted, fair value (in dollars per unit) 86.83
Restricted Stock Units Subject to Performance/Service-based Conditions
 
Share-based Compensation, Aggregate Disclosures  
Restricted stock units granted (in shares) 72,000
Restricted stock units granted, fair value (in dollars per unit) 80.73
Restricted Stock Units Subject to Market/Service-based Conditions
 
Share-based Compensation, Aggregate Disclosures  
Fair value assumptions method used lattice model
Restricted stock units granted (in shares) 72,000
Restricted stock units granted, fair value (in dollars per unit) 106.75