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STOCKHOLDER'S EQUITY - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Beginning Balance $ (298)   $ (282)  
Other comprehensive income (loss) before reclassifications (29)   (45)  
Amounts reclassified out of accumulated other comprehensive income (loss) 1   4  
Tax expense (benefit) 7   10  
Other comprehensive income (loss) (35) $ 17 (51) $ 70
Ending Balance (333)   (333)  
Foreign Currency Translation        
Beginning Balance (212)   (185)  
Other comprehensive income (loss) before reclassifications (54)   (81)  
Amounts reclassified out of accumulated other comprehensive income (loss) 0   0  
Tax expense (benefit) 0   0  
Other comprehensive income (loss) (54)   (81)  
Ending Balance (266)   (266)  
Prior Service Credits        
Beginning Balance 124   124  
Other comprehensive income (loss) before reclassifications 0   0  
Amounts reclassified out of accumulated other comprehensive income (loss) 0   0  
Tax expense (benefit) 0   0  
Other comprehensive income (loss) 0   0  
Ending Balance 124   124  
Actuarial Losses        
Beginning Balance (217)   (224)  
Other comprehensive income (loss) before reclassifications 4   7  
Amounts reclassified out of accumulated other comprehensive income (loss) 6   12  
Tax expense (benefit) 3   5  
Other comprehensive income (loss) 7   14  
Ending Balance (210)   (210)  
Unrealized Gains (Losses) on Derivatives        
Beginning Balance 7   3  
Other comprehensive income (loss) before reclassifications     29  
Other comprehensive income (loss) before reclassifications 21      
Amounts reclassified out of accumulated other comprehensive income (loss) (5)   (8)  
Tax expense (benefit) 4   5  
Other comprehensive income (loss) 12   16  
Ending Balance $ 19   $ 19