COMMITMENTS AND CONTINGENT LIABILITIES (Environmental Matters) (Narrative) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies, Revision in Estimates	$ 55
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at Jan 1		$ 132	$ 94
Accrual adjustment		49	93
Payments against reserve		(47)	(55)
Foreign currency impact		(1)	0
Balance at Dec 31		133	132	$ 94
Environmental remediation expense		49	93	38
Capital expenditures for environmental protection		5	11	$ 9
Accrual For Environmental Loss Contingencies Superfund Sites [Member]
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at Jan 1		20
Balance at Dec 31		$ 18	$ 20