NONCONSOLIDATED AFFILIATES (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Investment in nonconsolidated affiliates	$ 2,968	$ 3,320
Equity Method Investment, Liability, Noncurrent	(178)	0
Equity Method Investment, Net of Investment Liabilities	2,790	3,320
EQUATE Petrochemical Company Ksc [Member]
Schedule of Equity Method Investments [Line Items]
Investment in nonconsolidated affiliates		$ 131
Equity Method Investment, Liability, Noncurrent	(178)
Proceeds from Equity Method Investment, Distribution	$ 440

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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