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INCOME TAXES INCOME TAXES - Uncertain Tax Positions (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Unrecognized Tax Benefits Rollforward      
Balance, beginning of year $ 195 $ 206 $ 214
Additions for tax positions related to the current year 6 6 7
Additions for tax positions from prior years 4 0 12
Reductions for tax positions from prior years 0 0 2
Settlements with taxing authorities (30) 0 0
Statute of limitations expirations 42 17 25
Balance, end of year 133 195 206
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]      
Unrecognized tax benefit including interest and penalties 159    
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 136    
Unrecognized tax benefits that would not impact the effective tax rate 23    
Interest and penalties accrued related to unrecognized tax benefits accrued and reported 26 45  
Tax Interest and Penalties      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ (19) $ 8 $ 9