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GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Future Amortization (Details)
$ in Millions
Apr. 30, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2017 $ 53
2018 87
2019 63
2020 52
2021 39
2022 28
Thereafter $ 34