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Debt - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Oct. 31, 2017
Debt Instrument [Line Items]      
Payments of Debt Issuance Costs $ 1 $ 33  
Tax Exempt Bond [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.75%    
Financial Services Operations | VFN Facility [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 350    
Financial Services Operations | Trac Funding Facility [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity 100    
Line of Credit [Member] | Manufacturing Operations [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Unamortized Discount 0   $ 7
Debt Issuance Costs, Net 0   9
Line of Credit [Member] | Financial Services Operations      
Debt Instrument [Line Items]      
Debt Issuance Costs, Net $ 1   $ 2