RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Net Pension and post-retirement benefit cost(benefit) components) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Defined benefit plan | United States
Defined Benefit Plan Disclosure
Service cost—benefits earned during the period	$ 4	$ 4	$ 13	$ 11
Interest cost on benefit obligation	10	10	29	30
Expected return on plan assets	(13)	(12)	(39)	(36)
Amortization of net actuarial loss (gain)	1	2	4	7
Net periodic benefit cost (benefit)	2	4	7	12
Defined benefit plan | Foreign Plan
Defined Benefit Plan Disclosure
Service cost—benefits earned during the period	2	3	6	7
Interest cost on benefit obligation	9	9	26	27
Expected return on plan assets	(16)	(13)	(45)	(39)
Amortization of net actuarial loss (gain)	(1)	2	(3)	6
Net periodic benefit cost (benefit)	(6)	1	(16)	1
Post-retirement Benefits Plan | United States
Defined Benefit Plan Disclosure
Service cost—benefits earned during the period	0	0	0	0
Interest cost on benefit obligation	2	2	6	6
Expected return on plan assets	(3)	(3)	(9)	(9)
Amortization of net actuarial loss (gain)	0	0	(1)	0
Net periodic benefit cost (benefit)	$ (1)	$ (1)	$ (4)	$ (3)