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STOCKHOLDERS' EQUITY - Changes in accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 12 Months Ended
Nov. 01, 2018
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Beginning Balance $ (408) $ (514) $ (408)  
Other Comprehensive Income (Loss), before Reclassifications   (67) (163)  
Amounts Reclassified out of Accumulated Other Comprehensive Income   56 23  
Tax (expense) benefit   3 41  
Other Comprehensive Income (Loss)   (8) (99) $ (62)
Ending Balance (415) (522) (514) (408)
Foreign Currency Translation        
Beginning Balance (214) (204) (214)  
Other Comprehensive Income (Loss), before Reclassifications   11 0  
Amounts Reclassified Amounts Reclassified out of Accumulated Other Comprehensive Income   0 0  
Tax (expense) benefit   (1) 10 (7)
Other Comprehensive Income (Loss)   10 10  
Ending Balance (214) (194) (204) (214)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax [Abstract]        
Beginning Balance 134 131 134  
Other Comprehensive (Income) Loss, before Reclassifications   0 0  
Amortization of prior service benefit   7 (8)  
Tax (expense) benefit   1 2 2
Other Comprehensive (Income) Loss   (6) (6) (6)
Ending Balance 137 125 131 134
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax [Abstract]        
Beginning Balance (335) (437) (335)  
Other Comprehensive Income (Loss), before Reclassifications   (66) (157)  
Amounts reclassified out of accumulated other comprehensive income   61 39  
Tax (expense) benefit   0 25  
Other comprehensive income (loss)   (5) (93) (7)
Ending Balance (344) (442) (437) (335)
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract]        
Beginning Balance 7 (4) 7  
Loss on interest rate swap   (12) (6)  
Amounts Reclassified out of Accumulated Other Comprehensive Income   2 (8)  
Tax (expense) benefit   3 4  
Other Comprehensive Income (Loss)   (7) (10)  
Ending Balance 6 $ (11) $ (4) $ 7
Revision of Prior Period, Accounting Standards Update, Adjustment        
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract]        
Cumulative Effect of New Accounting Principle in Period of Adoption, Increase (Decrease) to AOCI. (7)      
Accumulated Foreign Currency Adjustment Attributable to Parent | Revision of Prior Period, Accounting Standards Update, Adjustment        
Foreign Currency Translation        
Ending Balance 0      
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent | Revision of Prior Period, Accounting Standards Update, Adjustment        
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract]        
Cumulative Effect of New Accounting Principle in Period of Adoption, Increase (Decrease) to AOCI. (3)      
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent | Revision of Prior Period, Accounting Standards Update, Adjustment        
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract]        
Cumulative Effect of New Accounting Principle in Period of Adoption, Increase (Decrease) to AOCI. (9)      
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent | Revision of Prior Period, Accounting Standards Update, Adjustment        
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract]        
Cumulative Effect of New Accounting Principle in Period of Adoption, Increase (Decrease) to AOCI. $ (1)