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FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) - USD ($)
$ in Millions
Oct. 31, 2025
Oct. 31, 2024
Assets, Long-term [Abstract]    
Trading securities $ 41 $ 43
Fair Value, Recurring    
Assets, Long-term [Abstract]    
Fair value of assets, nonrecurring 1,706 888
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) $ 10 $ 12
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Current Other Liabilities, Current
Liabilities, Long-term [Abstract]    
Total liabilities measured at fair value $ 51 $ 55
Fair Value, Recurring | Other Noncurrent Liabilities    
Liabilities, Long-term [Abstract]    
Deferred compensation liability 41 43
Fair Value, Recurring | Other Current Assets [Member]    
Assets, Short-term [Abstract]    
Cash equivalents (money market funds) 1,614 800
Derivative instruments (foreign exchange contracts) 14 14
Fair Value, Recurring | Other Noncurrent Assets [Member]    
Assets, Long-term [Abstract]    
Trading securities 41 43
Other investments 37 31
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Assets, Long-term [Abstract]    
Fair value of assets, nonrecurring 1,655 843
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) $ 0 $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Current Other Liabilities, Current
Liabilities, Long-term [Abstract]    
Total liabilities measured at fair value $ 0 $ 0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Noncurrent Liabilities    
Liabilities, Long-term [Abstract]    
Deferred compensation liability 0 0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets [Member]    
Assets, Short-term [Abstract]    
Cash equivalents (money market funds) 1,614 800
Derivative instruments (foreign exchange contracts) 0 0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Noncurrent Assets [Member]    
Assets, Long-term [Abstract]    
Trading securities 41 43
Other investments 0 0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)    
Assets, Long-term [Abstract]    
Fair value of assets, nonrecurring 51 45
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) $ 10 $ 12
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Current Other Liabilities, Current
Liabilities, Long-term [Abstract]    
Total liabilities measured at fair value $ 51 $ 55
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Noncurrent Liabilities    
Liabilities, Long-term [Abstract]    
Deferred compensation liability 41 43
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Current Assets [Member]    
Assets, Short-term [Abstract]    
Cash equivalents (money market funds) 0 0
Derivative instruments (foreign exchange contracts) 14 14
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Noncurrent Assets [Member]    
Assets, Long-term [Abstract]    
Trading securities 0 0
Other investments 37 31
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)    
Assets, Long-term [Abstract]    
Fair value of assets, nonrecurring 0 0
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) $ 0 $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Current Other Liabilities, Current
Liabilities, Long-term [Abstract]    
Total liabilities measured at fair value $ 0 $ 0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Noncurrent Liabilities    
Liabilities, Long-term [Abstract]    
Deferred compensation liability 0 0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Current Assets [Member]    
Assets, Short-term [Abstract]    
Cash equivalents (money market funds) 0 0
Derivative instruments (foreign exchange contracts) 0 0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Noncurrent Assets [Member]    
Assets, Long-term [Abstract]    
Trading securities 0 0
Other investments $ 0 $ 0