RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS- Components of net periodic costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Pension Plan | United States
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	$ 0	$ 0	$ 0	$ 0
Interest cost on benefit obligation	5	4	10	7
Expected return on plan assets	(4)	(8)	(9)	(14)
Amortization:
Actuarial losses	0	0	0	0
Prior Service Credit	0	0	0	0
Total net plan costs (benefits)	1	(4)	1	(7)
Pension Plan | Foreign Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	2	4	8	12
Interest cost on benefit obligation	6	3	12	5
Expected return on plan assets	(9)	(12)	(18)	(23)
Amortization:
Actuarial losses	0	7	(1)	13
Prior Service Credit	0	0	0	0
Total net plan costs (benefits)	(1)	2	1	7
Other Postretirement Benefits Plan | United States
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	0	0	0	0
Interest cost on benefit obligation	1	0	2	1
Expected return on plan assets	(1)	(2)	(2)	(3)
Amortization:
Actuarial losses	0	0	0	(1)
Prior Service Credit	(1)	0	(1)	0
Total net plan costs (benefits)	$ (1)	$ (2)	$ (1)	$ (3)