TAXES ON INCOME (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 22, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Line Items]
Statutory income tax rate			27.00%	35.00%
Net operating loss carry forwards			$ 211
Effective Income Tax Rate Reconciliation, Limitation of Net Operating Lost Deduction			80.00%
Effective Income Tax Rate Reconciliation, The Maximum Percentage of Interest			30.00%
Restricted Amount [Member]
Income Tax Disclosure [Line Items]
Net operating loss carry forwards			$ 26	$ 23
Domestic Tax Authority [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate			21.00%
Protalix Ltd. [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate		23.00%
Net operating loss carry forwards			$ 185	$ 182
Protalix Ltd. [Member] | Scenario, Plan [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate			23.00%
Protalix Ltd. [Member] | Law for Amending the Israel Income Tax Ordinance, Tax Thereafter [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate			23.00%	24.00%	25.00%	26.50%
Minimum [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate	23.00%
Maximum [Member]
Income Tax Disclosure [Line Items]
Statutory income tax rate					25.00%