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Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Oct. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts

SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS

Column A
 
Column B
 
Column C
 
Column D
 
Column E
Description
 
Balance 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)
2019
 
 
 
 
 
 
 
 
Tax valuation allowance
 
$
135

 
$
9

 
$
(10
)
 
$
134

2018
 
 
 
 
 
 
 
 
Tax valuation allowance
 
$
138

 
$
4

 
$
(7
)
 
$
135

2017
 
 
 
 
 
 
 
 
Tax valuation allowance
 
$
129

 
$
14

 
$
(5
)
 
$
138


* 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.