RESTRUCTURING ACTIVITIES (Pre-Tax Restructuring and Integration Charges) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Restructuring and Related Activities [Abstract]
Employee separation costs	$ 2	$ (3)

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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