NONCONSOLIDATED AFFILIATES (Schedule of the Company's Direct or Indirect Ownership Interest in Principal Nonconsolidated Affiliates) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) jointventures	Dec. 31, 2021 USD ($) jointventures	Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Interest, Number of Affiliates | jointventures	37	37
Investment in nonconsolidated affiliates	$ 1,589	$ 2,045	$ 1,327
Other noncurrent obligations	(144)	0
Net investment in nonconsolidated affiliates	1,445	2,045
Equity in earnings (losses) of nonconsolidated affiliates	268	975	$ (18)
Principal Nonconsolidated Affiliates Noncurrent Obligations
Schedule of Equity Method Investments [Line Items]
Other noncurrent obligations	(144)	0
Net Investment of Principal Nonconsolidated Affiliates
Schedule of Equity Method Investments [Line Items]
Net investment in nonconsolidated affiliates	$ 972	$ 1,621
EQUATE Petrochemical Company K.S.C.
Schedule of Equity Method Investments [Line Items]
Ownership percentage	42.50%	42.50%	42.50%
Investment in nonconsolidated affiliates	$ 144
Other noncurrent obligations		$ 115
The Kuwait Olefins Company K.S.C.
Schedule of Equity Method Investments [Line Items]
Ownership percentage	42.50%	42.50%	42.50%
The Kuwait Styrene Company KSC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	42.50%	42.50%	42.50%
Map Ta Phut Olefins Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage	32.77%	32.77%	32.77%
Equity Method Investment, Ownership Percentage, Direct	20.27%
Equity Method Investment, Ownership Percentage, Indirect	12.50%
Sadara Chemical Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage	35.00%	35.00%	35.00%
Investment in nonconsolidated affiliates	$ 322
Other noncurrent obligations		$ 416
Siam Polyethylene Company Limited
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	50.00%	50.00%
Siam Polystyrene Company Limited
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	50.00%	50.00%
Siam Styrene Monomer Company Limited
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	50.00%	50.00%
Siam Synthetic Latex Company Limited
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	50.00%	50.00%
Principal Nonconsolidated Affiliates
Schedule of Equity Method Investments [Line Items]
Investment in nonconsolidated affiliates	$ 1,116	$ 1,621
Equity in earnings (losses) of nonconsolidated affiliates	$ 192	$ 918	$ (16)