Retirement and Post-Retirement Benefit Plans - Schedule of Pension and Post-Retirement Benefit Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Post-Retirement Benefit Plans
Net benefit (credit) cost
Service cost	$ 1	$ 1	$ 1
Interest cost	14	15	15
Expected return on plan assets	(14)	(15)	(14)
Amortization and deferrals:
Actuarial loss (gain)	(17)	(15)	(16)
Prior service cost (credit)	(6)	(10)	(11)
Net periodic benefit cost (credit)	(22)	(24)	(25)
Settlement loss	0	0	0
Special termination benefit cost	0	0	34
Total periodic benefit cost (credit)	(22)	(24)	9
U.S. | Defined Benefit Plans
Net benefit (credit) cost
Service cost	0	0	0
Interest cost	214	228	217
Expected return on plan assets	(241)	(246)	(258)
Amortization and deferrals:
Actuarial loss (gain)	29	28	18
Prior service cost (credit)	0	0	0
Net periodic benefit cost (credit)	2	10	(23)
Settlement loss	0	0	0
Special termination benefit cost	0	0	105
Total periodic benefit cost (credit)	2	10	82
Non-U.S. | Defined Benefit Plans
Net benefit (credit) cost
Service cost	39	37	39
Interest cost	43	46	41
Expected return on plan assets	(57)	(51)	(53)
Amortization and deferrals:
Actuarial loss (gain)	8	(1)	4
Prior service cost (credit)	7	6	5
Net periodic benefit cost (credit)	40	37	36
Settlement loss	8	2	0
Special termination benefit cost	0	0	0
Total periodic benefit cost (credit)	$ 48	$ 39	$ 36