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LONG-TERM DEBT (Details) - USD ($)
$ in Millions
Jul. 31, 2022
Oct. 31, 2021
Debt Instrument    
Long-term debt $ 2,732 $ 2,729
Senior Notes 2023    
Debt Instrument    
Long-term debt 0 599
Senior Notes 2026    
Debt Instrument    
Long-term debt 299 298
Senior Notes 2029    
Debt Instrument    
Long-term debt 494 494
Senior Notes 2030    
Debt Instrument    
Long-term debt 496 496
Senior Notes 2031    
Debt Instrument    
Long-term debt 843 $ 842
Senior Notes    
Debt Instrument    
Long-term debt $ 2,132