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RESTRUCTURING AND OTHER RELATED COSTS - ROLLFORWARD (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2025
Apr. 30, 2025
Jan. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Restructuring Cost and Reserve [Line Items]            
Income statement expense $ 17     $ 67 $ 74 $ 71
Restructuring expense since inception 196       196  
FY25 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Restructuring expense since inception 73       73  
FY24 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Restructuring expense since inception 73       73  
FY23 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Restructuring expense since inception 50       50  
Employee Severance            
Restructuring Cost and Reserve [Line Items]            
Restructuring Reserve, Beginning Balance 52 $ 5 $ 13   13  
Income statement expense 17 56 1      
Restructuring Reserve, Settled without Cash 11 5        
Payments for Restructuring 35 5 9      
Currency translation impact Gain (Loss) 0 1        
Restructuring Reserve, Ending Balance 23 52 5   23  
Employee Severance | FY25 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Restructuring Reserve, Beginning Balance 51 0        
Income statement expense 17 56     73  
Restructuring Reserve, Settled without Cash 11 5        
Payments for Restructuring 34 1        
Currency translation impact Gain (Loss) 0 1        
Restructuring Reserve, Ending Balance 23 51 0   23  
Employee Severance | FY24 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Restructuring Reserve, Beginning Balance 1 4 11   11  
Income statement expense     1   1  
Payments for Restructuring 1 3 8      
Restructuring Reserve, Ending Balance $ 0 $ 1 $ 4   0  
Employee Severance | FY23 Restructuring Plan            
Restructuring Cost and Reserve [Line Items]            
Payments for Restructuring         $ 2