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GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Future Amortization (Details)
$ in Millions
Apr. 30, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2016 $ 69
2017 113
2018 83
2019 59
2020 48
2021 36
Thereafter $ 60