Financial Instruments - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Derivative [Line Items]
Interest income	$ 67	$ 46	$ 31
Collateralized arrangements in net liability position	$ 91	82
Period to collateralize	2 days
Gain expected to be reclassified from Accumulated OCI into earnings in next 12 months	$ 178
Cash flow hedges
Derivative [Line Items]
Foreign currency maturity	12 months
Other Non-Current Assets
Derivative [Line Items]
Equity investments	$ 111	$ 110