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GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Future Amortization (Details)
$ in Millions
Apr. 30, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2019 $ 53
2020 94
2021 81
2022 65
2023 55
2024 46
Thereafter $ 33