Financial Instruments - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Derivative [Line Items]
Interest income	$ 89	$ 78	$ 67
Cost method and other equity investments	137	107
Collateralized arrangements in net liability position	$ 98	$ 59
Period to collateralize	2 days
Gain (loss) expected to be reclassified from AOCI into earnings in next 12 months	$ (41)
Cash flow hedges:
Derivative [Line Items]
Foreign currency maturity	12 months