VALUATION AND QUALIFYING ACCOUNTS (Schedule of Valuation and Qualifying Accounts) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable - Allowance for Doubtful Receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 51	$ 45	$ 42
Additions charged to expenses	16	22	24
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(13)	(16)	(21)
Balance at end of year	54	51	45
Accounts Receivable - Allowance for Doubtful Receivables | Sadara Chemical Company
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Additions charged to expenses	2
Inventory - Obsolescence Reserve
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	23	35	23
Additions charged to expenses	3	2	19
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(12)	(14)	(7)
Balance at end of year	14	23	35
Reserves for Other Investments and Noncurrent Receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	2,093	2,215	460
Additions charged to expenses	19	7	1,758
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(79)	(129)	(3)
Balance at end of year	2,033	2,093	2,215
Reserves for Other Investments and Noncurrent Receivables | Sadara Chemical Company
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Additions charged to expenses	1,753
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(77)	(77)
Deferred Tax Assets - Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	1,302	1,262	1,225
Additions charged to expenses	201	313	140
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(112)	(273)	(103)
Balance at end of year	$ 1,391	$ 1,302	$ 1,262