INCOME TAXES (Reconciliation to U.S. Statutory Rate) (Details)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statutory U.S. federal income tax rate	21.00%	21.00%	21.00%
Equity earnings effect	(2.20%)	0.20%	(3.20%)
Foreign income taxed at rates other than the statutory U.S. federal income tax rate	(1.30%)	(2.30%)	(14.80%)
U.S. tax effect of foreign earnings and dividends	1.70%	3.90%	1.90%
Unrecognized tax benefits	4.70%	7.30%	1.00%
Acquisitions, divestitures and ownership restructuring activities	0.00%	(5.10%)	0.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	2.60%	12.60%	0.00%
Impact of tax reform 3	0	0	0.111
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	(5.30%)	0.30%	10.40%
State and local income taxes	0.20%	0.30%	(4.40%)
Other - net	0.00%	(0.70%)	(13.70%)
Effective tax rate	21.40%	37.50%	(37.70%)
Sadara Chemical Company
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	0.00%	0.00%	(29.50%)
Goodwill [Member]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	0.00%	0.00%	(17.50%)

Effective Income Tax Rate Reconciliation, Acquisitions, Divestitures, and Ownership Restructuring Activities, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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