Financial Instruments - Schedule of Information Related to the Potential Effect of Entity's Master Netting Agreements and Collateral Security Agreements (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Derivative assets
Gross Amount Recognized	$ 183	$ 229
Gross Amount Offset	0	0
Net Amount Presented	183	229
Gross Amounts Not Offset
Derivatives	143	113
Financial Collateral	15	88
Net Amount	25	28
Derivative liabilities
Gross Amount Recognized	244	182
Gross Amount Offset	0	0
Net Amount Presented	244	182
Gross Amounts Not Offset
Derivatives	143	113
Financial Collateral	279	61
Net Amount	$ (178)	$ 8
Period to collateralize	2 days