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Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Oct. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS

Column AColumn BColumn CColumn DColumn E
DescriptionBalance at
Beginning
of Period		Additions Charged to
Expenses or
Other Accounts*		Deductions Credited to Expenses or Other Accounts**Balance at
End of
Period
 (in millions)
2021    
Tax valuation allowance$132 $5 $(17)$120 
2020    
Tax valuation allowance$134 $6 $(8)$132 
2019    
Tax valuation allowance$135 $9 $(10)$134 

* Additions include current year additions charged to expenses and current year build due to increases in net deferred tax assets, return to provision true-ups, other adjustments and other comprehensive income impact to deferred taxes.
** Deductions include current year releases credited to expenses and current year reductions due to decreases in net deferred tax assets, return to provision true-ups, other adjustments and other comprehensive income impact to deferred taxes.