COMMITMENTS AND CONTINGENT LIABILITIES (Asset Retirement Obligations) (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) wells brinesandwells countries manufacturingsites	Dec. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Number of Manufacturing Sites | manufacturingsites	164
Number of Countries With Manufacturing Sites | countries	35
Conditional Asset Retirement Obligations Carrying Value	$ 24	$ 20
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance at Jan 1	104	110
Additional accruals	10	3
Liabilities settled	(4)	(9)
Accretion expense	3	5
Revisions in estimated cash flows	0	(9)
Other	1	4
Balance at Dec 31	$ 114	$ 104
Asset retirement obligation discount rate	3.54%	2.04%
Number of underground storage wells without conditional asset retirement obligation | wells	37
Number of underground brine, mining and other wells without conditional asset retirement obligation | brinesandwells	128