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LONG-TERM DEBT (Details) - USD ($)
$ in Millions
Apr. 30, 2025
Oct. 31, 2024
Debt Instrument    
Long-term debt $ 3,349 $ 3,345
Senior Notes 2026    
Debt Instrument    
Long-term debt 300 299
Senior Notes 2027    
Debt Instrument    
Long-term debt 596 596
Senior Notes 2029    
Debt Instrument    
Long-term debt 497 496
Senior Notes 2030    
Debt Instrument    
Long-term debt 497 497
Senior Notes 2031    
Debt Instrument    
Long-term debt 845 845
Senior Notes 2034    
Debt Instrument    
Long-term debt 593 593
Senior Notes    
Debt Instrument    
Long-term debt $ 3,328 $ 3,326