RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Net Pension and post-retirement benefit cost(benefit) components) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Defined benefit plan | United States
Defined Benefit Plan Disclosure
Service cost—benefits earned during the period	$ 5	$ 3	$ 9	$ 7
Interest cost on benefit obligation	9	10	19	20
Expected return on plan assets	(13)	(12)	(26)	(24)
Amortization of net actuarial loss (gain)	2	3	3	5
Net periodic benefit cost (benefit)	3	4	5	8
Defined benefit plan | Foreign Plan
Defined Benefit Plan Disclosure
Service cost—benefits earned during the period	2	2	4	4
Interest cost on benefit obligation	8	9	17	18
Expected return on plan assets	(14)	(13)	(29)	(26)
Amortization of net actuarial loss (gain)	(1)	2	(2)	4
Net periodic benefit cost (benefit)	(5)	0	(10)	0
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	4	4
Expected return on plan assets	(3)	(3)	(6)	(6)
Amortization of net actuarial loss (gain)	(1)	0	(1)	0
Net periodic benefit cost (benefit)	$ (2)	$ (1)	$ (3)	$ (2)