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FAIR VALUE MEASUREMENTS (Fair value of assets and liabilities measured on a recurring basis) (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions
Jan. 31, 2024
Oct. 31, 2023
Assets Short - term [Abstract]    
Money market funds $ 1,163 $ 1,934
Derivative instruments (foreign exchange contracts) 14 18
Assets, Long-term [Abstract]    
Equity investments 62 56
Equity investments - other 28 25
Total assets measured at fair value 1,267 2,033
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) 9 54
Liabilities Long-term [Abstract]    
Deferred compensation liability 30 27
Total liabilities measured at fair value 39 81
Level 1    
Assets Short - term [Abstract]    
Money market funds 1,163 1,934
Derivative instruments (foreign exchange contracts) 0 0
Assets, Long-term [Abstract]    
Equity investments 62 56
Equity investments - other 0 0
Total assets measured at fair value 1,225 1,990
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) 0 0
Liabilities Long-term [Abstract]    
Deferred compensation liability 0 0
Total liabilities measured at fair value 0 0
Level 2    
Assets Short - term [Abstract]    
Money market funds 0 0
Derivative instruments (foreign exchange contracts) 14 18
Assets, Long-term [Abstract]    
Equity investments 0 0
Equity investments - other 0 0
Total assets measured at fair value 14 18
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) 9 54
Liabilities Long-term [Abstract]    
Deferred compensation liability 30 27
Total liabilities measured at fair value 39 81
Level 3    
Assets Short - term [Abstract]    
Money market funds 0 0
Derivative instruments (foreign exchange contracts) 0 0
Assets, Long-term [Abstract]    
Equity investments 0 0
Equity investments - other 0 0
Total assets measured at fair value 0 0
Liabilities, Short-term [Abstract]    
Derivative instruments (foreign exchange contracts) 0 0
Liabilities Long-term [Abstract]    
Deferred compensation liability 0 0
Total liabilities measured at fair value $ 0 $ 0