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GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Future Amortization (Details)
$ in Millions
Jul. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2018 $ 29
2019 94
2020 79
2021 66
2022 53
2023 39
Thereafter $ 44