XML 100 R86.htm IDEA: XBRL DOCUMENT v3.20.4
GOODWILL AND OTHER INTANGIBLE ASSETS Amortization Expense and Future Amortization Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Future Amortization Expense Schedule      
2021 $ 174    
2022 151    
2023 109    
2024 87    
2025 70    
Thereafter 230    
Amortization Expense      
Amortization of intangible assets during the period $ 186 $ 128 $ 110