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LEASES Maturity analysis (Details) - USD ($)
$ in Millions
Jan. 31, 2020
Nov. 01, 2019
Leases [Abstract]    
2020 (remainder) $ 31  
2021 38  
2022 31  
2023 21  
2024 15  
Thereafter 45  
Total undiscounted lease liability 181  
Imputed Interest 17  
Operating Lease, Liability $ 164 $ 164