EMPLOYEE BENEFIT PLANS (Information for Pension Plans with Accumulated Benefit Obligations in Excess of Pension Plan Assets) (Details) $ in Millions	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) plan
Defined Benefit Pension Plan With Accumulated Benefit Obligation In Excess Of Fair Value Of Plan Assets [Line Items]
Number of Defined Benefit Pension Plans with ABO in Excess of Plan Assets | plan		3
Pension Benefits
Defined Benefit Pension Plan With Accumulated Benefit Obligation In Excess Of Fair Value Of Plan Assets [Line Items]
Accumulated Benefit Obligation	$ 237	$ 384
Fair Value of Plan Assets	$ 206	$ 354