XML 133 R119.htm IDEA: XBRL DOCUMENT v3.20.4
Schedule II Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Movement in valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period $ 134 $ 135 $ 138
Additions Charged to Expenses or Other Accounts 6 9 4
Deductions Credited to Expenses or Other Accounts (8) (10) (7)
Balance at End of Period $ 132 $ 134 $ 135