RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS- Components of net periodic costs (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Pension Plan | United States
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	$ 0	$ 0
Interest cost on benefit obligation	3	3
Expected return on plan assets	(6)	(7)
Amortization:
Actuarial losses	0	1
Total net plan costs (benefits)	(3)	(3)
Pension Plan | Foreign Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	8	7
Interest cost on benefit obligation	2	2
Expected return on plan assets	(11)	(12)
Amortization:
Actuarial losses	6	13
Total net plan costs (benefits)	5	10
Other Postretirement Benefits Plan | United States
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	0	0
Interest cost on benefit obligation	1	1
Expected return on plan assets	(1)	(2)
Amortization:
Actuarial losses	(1)	1
Total net plan costs (benefits)	$ (1)	$ 0