XML 66 R47.htm IDEA: XBRL DOCUMENT v3.22.1
Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Jan. 31, 2021
Income Tax Disclosure [Abstract]          
Effective income tax rate 22.70% 13.80% 22.30% (704.20%)  
Deferred tax asset, intra-entity sale of certain intellectual property rights         $ 1,987,900,000