Retirement and Post-Retirement Benefit Plans - Pre-Tax Net Actuarial Loss and Prior Service Benefit Recognized in Accumulated Other Comprehensive Loss for the Defined Benefit Plans (Details) - Defined Benefit Plans $ in Millions	Oct. 31, 2024 USD ($)
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	$ 2,478
Prior service benefit	14
Total recognized in accumulated other comprehensive loss	$ 2,492