GOODWILL AND OTHER INTANGIBLE ASSETS Finite-Lived Assets Future Amortization Expense (Details)
$ in Millions
Apr. 30, 2017
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
Finite-Lived Intangible Assets, Amortization Expense, Remainder of 2017 $ 100
Finite-Lived Intangible Assets, Amortization Expense, 2018 181
Finite-Lived Intangible Assets, Amortization Expense, 2019 181
Finite-Lived Intangible Assets, Amortization Expense, 2020 179
Finite-Lived Intangible Assets, Amortization Expense, 2021 113
Finite-Lived Intangible Assets, Amortization Expense, 2022 and thereafter $ 97