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INTANGIBLE ASSETS (Schedule of Future Amortization Expense of Intangible Assets) (Details)
$ in Millions
Sep. 30, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Estimated Amortization Expense, 2019 $ 7
Estimated Amortization Expense, 2020 8
Estimated Amortization Expense, 2021 6
Estimated Amortization Expense, 2022 4
Estimated Amortization Expense, 2023 2
Estimated Amortization Expense, 2024 $ 1