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Goodwill and Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details)
$ in Millions
Oct. 31, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2022 $ 291
2023 265
2024 207
2025 95
2026 79
Thereafter 81
Amortizable intangible assets, net $ 1,018