v3.26.1
Financial Instruments - Schedule of Information Related to the Potential Effect of Entity's Master Netting Agreements and Collateral Security Agreements (Details) - USD ($)
$ in Millions
 9 Months Ended
Jul. 31, 2026
Oct. 31, 2025
Derivative assets    
Gross Amount Recognized $ 210 $ 183
Gross Amount Offset 0 0
Net Amount Presented 210 183
Gross Amounts Not Offset    
Derivatives 133 143
Financial Collateral 162 15
Net Amount (85) 25
Derivative liabilities    
Gross Amount Recognized 169 244
Gross Amount Offset 0 0
Net Amount Presented 169 244
Gross Amounts Not Offset    
Derivatives 133 143
Financial Collateral 328 279
Net Amount $ (292) $ (178)
Period to collateralize 2 days