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GUARANTEES (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Summary of standard warranty accrual activity    
Beginning balance $ 35 $ 34
Accruals for warranties including change in estimates 54 53
Settlements made during the period (57) (52)
Ending balance 32 35
Standard Product Warranty Accrual, Balance Sheet Classification [Abstract]    
Accruals for warranties due within one year 32 $ 35
Bank Guarantees $ 40