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DEBT letter of credits (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2024
Oct. 31, 2023
Short-term Debt [Line Items]    
Debt Instrument, Covenant Compliance We were in compliance with the covenants of our senior notes during the three months ended January 31, 2024.  
Letters of Credit Outstanding, Amount $ 42 $ 41