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OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
$ in Millions
 12 Months Ended
Oct. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Oct. 31, 2018
USD ($)
Oct. 31, 2017
USD ($)
Property, Plant and Equipment [Line Items]        
Accounts Receivable, Allowance for Credit Loss, Current $ 3 $ 3    
Share-based compensation expense $ 93 82 $ 59  
Calculated warranty term 3 years      
Advertising expense $ 24 22 21  
Number of Reportable Segments 2      
Goodwill impairment $ 0 0 709  
Impairment on investments 0 0 0  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 1,767 1,600 917 $ 820
Excess of fair value over carrying value less debt issuance cost 236 139    
Accrued vacation benefits 107 92    
Foreign currency translation net gain (loss) (3) 2 4  
Gain on sale of assets and divestitures 0 (1) (20)  
Impairment of Intangible Assets (Excluding Goodwill) 0 0 0  
In Process Research and Development [Member]        
Property, Plant and Equipment [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 0 $ 0 $ 5  
Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Finite lived intangible assets useful life 6 months      
Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Finite lived intangible assets useful life 10 years      
Machinery and equipment | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment - useful life 3 years      
Machinery and equipment | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment - useful life 10 years      
Non-US [Member]        
Property, Plant and Equipment [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 1,100