v3.25.2
Transformation Programs - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Oct. 31, 2024
Restructuring Cost and Reserve [Line Items]          
Transformation costs $ 0 $ 14 $ 2 $ 67  
Transformation Program          
Restructuring Cost and Reserve [Line Items]          
Transformation costs 0 $ 15 2 $ 70  
Transformation Program | Other Accrued Liabilities          
Restructuring Cost and Reserve [Line Items]          
Accrued restructuring 49   49   $ 78
Transformation Program | Long-Term Other Liabilities          
Restructuring Cost and Reserve [Line Items]          
Non-current restructuring liability reported in other liabilities $ 75   $ 75   $ 106