TAXES ON INCOME (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Effective income tax rate	18.10%	35.70%	18.80%	33.20%
Release of tax reserves associated with expiration of statute of limitation	$ 13		$ 13
Share-based compensation, excess tax benefit, amount	$ 4	$ 7	17	$ 36
Income tax benefit			$ 15