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 |