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NEW ACCOUNTING PRONOUNCEMENTS (Tables)
12 Months Ended
Oct. 31, 2020
Accounting Standards Update and Change in Accounting Principle [Abstract]  
Accounting Standards Update and Change in Accounting Principle -Leases
Adoption of the new guidance impacted the consolidated balance sheet as follows:

 October 31, 2019Impact of AdoptingNovember 1, 2019
 As ReportedLease GuidanceAs Adopted
(in millions)
Other assets$611 $192 $803 
Other accrued liabilities$440 $48 $488 
Other long-term liabilities$473 $144 $617