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Taxes on Earnings (Tables)
3 Months Ended
Jan. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of Deferred Tax Assets and Liabilities
Deferred tax assets and liabilities included in the Condensed Consolidated Balance Sheets were as follows:
 
As of
 
January 31, 2020
 
October 31, 2019
 
In millions
Deferred tax assets
$
1,529

 
$
1,515

Deferred tax liabilities
(311
)
 
(311
)
Deferred tax assets net of deferred tax liabilities
$
1,218

 
$
1,204