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Guarantees, Indemnifications and Warranties - Indemnified Litigation matters and Other Contingencies (Details) - USD ($)
$ in Millions
Oct. 31, 2021
Oct. 31, 2020
Tax Indemnification    
Other Commitments [Line Items]    
Net indemnification receivable - long-term $ 50 $ 62
Net indemnification receivable - short-term 11 65
Net indemnification payable - long-term 0 15
Litigation matters and other contingencies    
Other Commitments [Line Items]    
Receivable 54 70
Payable $ 53 $ 53