v3.26.1
RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Contributions) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
United States | Defined benefit plan        
Defined Benefit Plan Disclosure        
Contributions by employer $ 0 $ 0 $ 0 $ 0
Estimated future employer contributions in remainder of current fiscal year 0   0  
United States | Post-retirement Benefits Plan        
Defined Benefit Plan Disclosure        
Contributions by employer 0 0 0 0
Estimated future employer contributions in remainder of current fiscal year 0   0  
Foreign Plan | Defined benefit plan        
Defined Benefit Plan Disclosure        
Contributions by employer 2 $ 3 7 $ 8
Estimated future employer contributions in remainder of current fiscal year $ 3   $ 3