Retirement and Post-Retirement Benefit Plans - Schedule of Components of Pension and Post-Retirement Benefit (Credit) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1	$ 1	$ 1	$ 1
Interest cost	4	4	12	11
Expected return on plan assets	(4)	(4)	(12)	(10)
Amortization and deferrals:
Actuarial loss (gain)	(3)	(4)	(11)	(12)
Prior service cost (credit)	(3)	(2)	(8)	(8)
Net periodic benefit (credit) cost	(5)	(5)	(18)	(18)
Settlement gain (loss)	0	0	0	0
Special termination benefit cost	0	0	0	34
Total periodic benefit (credit) cost	(5)	(5)	(18)	16
U.S. | Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost	57	54	171	163
Expected return on plan assets	(61)	(65)	(184)	(194)
Amortization and deferrals:
Actuarial loss (gain)	6	4	20	13
Prior service cost (credit)	0	0	0	0
Net periodic benefit (credit) cost	2	(7)	7	(18)
Settlement gain (loss)	0	0	0	0
Special termination benefit cost	0	0	0	105
Total periodic benefit (credit) cost	2	(7)	7	87
Non-U.S. | Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	9	10	27	30
Interest cost	11	10	34	30
Expected return on plan assets	(13)	(13)	(39)	(39)
Amortization and deferrals:
Actuarial loss (gain)	0	1	0	3
Prior service cost (credit)	1	1	4	4
Net periodic benefit (credit) cost	8	9	26	28
Settlement gain (loss)	1	0	2	0
Special termination benefit cost	0	0	0	0
Total periodic benefit (credit) cost	$ 9	$ 9	$ 28	$ 28