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GUARANTEES (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Summary of standard warranty accrual activity    
Beginning balance $ 32 $ 35
Accruals for warranties including change in estimates 49 54
Settlements made during the period (49) (57)
Ending balance 32 32
Standard Product Warranty Accrual, Balance Sheet Classification [Abstract]    
Accruals for warranties due within one year 30 32
Accruals for warranties due after one year 2 0
Bank Guarantees $ 43 $ 40