v3.26.1
DERIVATIVES Derivative, interest rate swaps (Details) - USD ($)
$ in Millions
6 Months Ended
Apr. 30, 2026
Apr. 30, 2023
Oct. 31, 2025
Derivative [Line Items]      
Interest rate swap agreement termination proceeds   $ 107  
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred $ 90    
Senior Notes 2034      
Derivative [Line Items]      
Debt Instrument, Face Amount 600    
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) 4   $ 0
Interest Rate Swap [Member] | Fair Value Hedging      
Derivative [Line Items]      
Derivative Liability, Notional Amount 600    
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) $ 4   $ 0