COMMITMENTS AND CONTINGENT LIABILITIES (Asset Retirement Obligations) (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) wells brinesandwells manufacturingsites countries	Dec. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Number of Manufacturing Sites | manufacturingsites	109
Number of Countries With Manufacturing Sites | countries	31
Conditional Asset Retirement Obligations Carrying Value	$ 19	$ 22
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance at Jan 1	109	100
Additional accruals	10	9
Liabilities settled	(7)	(3)
Accretion expense	2	3
Revisions in estimated cash flows	3	0
Other	(13)	0
Balance at Dec 31	$ 104	$ 109
Asset retirement obligation discount rate	2.12%	3.54%
Number of underground storage wells without conditional asset retirement obligation | wells	36
Number of underground brine, mining and other wells without conditional asset retirement obligation | brinesandwells	131