Retirement and Post-Retirement Benefit Plans - Schedule of Components of Pension and Post-Retirement Benefit (Credit) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	4	4
Expected return on plan assets	(4)	(3)
Amortization and deferrals:
Actuarial loss (gain)	(4)	(4)
Prior service cost (credit)	(3)	(3)
Net periodic benefit (credit) cost	(7)	(6)
Settlement loss	0	0
Total periodic benefit (credit) cost	(7)	(6)
U.S. | Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	57	54
Expected return on plan assets	(61)	(65)
Amortization and deferrals:
Actuarial loss (gain)	7	5
Prior service cost (credit)	0	0
Net periodic benefit (credit) cost	3	(6)
Settlement loss	0	0
Total periodic benefit (credit) cost	3	(6)
Non-U.S. | Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	9	9
Interest cost	12	10
Expected return on plan assets	(13)	(13)
Amortization and deferrals:
Actuarial loss (gain)	0	1
Prior service cost (credit)	2	1
Net periodic benefit (credit) cost	10	8
Settlement loss	0	1
Total periodic benefit (credit) cost	$ 10	$ 9