BASIS OF PRESENTATION Operating Leases (Details) - Accounting Standards Update 2016-02 - Scenario, Forecast $ in Millions	Dec. 31, 2018 USD ($)
Minimum
Operating Leased Assets [Line Items]
Right of use asset	$ 550
Operating lease liability	550
Maximum
Operating Leased Assets [Line Items]
Right of use asset	700
Operating lease liability	$ 700