FAIR VALUE MEASUREMENTS (Basis of Fair Value Measurements on a Recurring Basis) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	$ 1,267	$ 1,589	$ 2,045
Debt securities	1,860
Derivative Asset, Fair Value, Gross Asset	257	776
Gain included in earnings	21	21
Derivative, Amount of Hedged Item	4,479	2,279
Debt Securities, Available-for-sale, Amortized Cost	2,138
Long Term Debt, Accumulated Fair Value Adjustment	49	46
Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	128
Quoted Prices in Active Markets for Identical Items (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, Amortized Cost Basis	5	5
Equity Securities, Accumulated Gross Unrealized Gain, Before Tax	12	5
Equity Securities, Accumulated Gross Unrealized Loss, Before Tax	0	0
Quoted Prices in Active Markets for Identical Items (Level 1) | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Accumulated Gross Unrealized Gain, Before Tax	2	63
Derivative Assets, Accumulated Gross Unrealized Loss, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Gain, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Loss, Before Tax	(2)	(103)
Quoted Prices in Active Markets for Identical Items (Level 1) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	24	38
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(3)	(3)
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis, Current	1,361	927
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, Current, before Tax	0	12
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, Current, before Tax	(61)	0
Long-Term Debt	(15,024)	(15,060)
Long Term Debt, Accumulated Gross Unrealized Gain, Before Tax	1,089	1,683
Long Term Debt, Accumulated Gross Unrealized Loss, Before Tax	(747)	(498)
Significant Other Observable Inputs (Level 2) | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Accumulated Gross Unrealized Gain, Before Tax	136	351
Derivative Assets, Accumulated Gross Unrealized Loss, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Gain, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Loss, Before Tax	(154)	(246)
Significant Other Observable Inputs (Level 2) | Foreign currency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Accumulated Gross Unrealized Gain, Before Tax	59	204
Derivative Assets, Accumulated Gross Unrealized Loss, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Gain, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Loss, Before Tax	(46)	(119)
Significant Other Observable Inputs (Level 2) | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Accumulated Gross Unrealized Gain, Before Tax	60	158
Derivative Assets, Accumulated Gross Unrealized Loss, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Gain, Before Tax	0	0
Derivative Liabilities, Accumulated Gross Unrealized Loss, Before Tax	(68)	(167)
Significant Other Observable Inputs (Level 2) | Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	766	754
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	3	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(107)	(133)
Significant Other Observable Inputs (Level 2) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	1,148	1,236
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	17	10
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(99)	(156)
Significant Unobservable Inputs (Level 3) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	200	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(89)	0
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	4,589	4,706
Total liabilities at fair value	(15,130)	(14,709)
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, FV-NI, Current	17	10
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	2	63
Derivative Liability, Fair Value, Gross Liability	2	103
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	21	35
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt including debt due within one year	(14,682)	(13,875)
Debt Securities, Available-for-sale, Current	1,300	939
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	136	351
Derivative Liability, Fair Value, Gross Liability	154	246
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Foreign currency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	59	204
Derivative Liability, Fair Value, Gross Liability	46	119
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	60	158
Derivative Liability, Fair Value, Gross Liability	68	167
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	662	622
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	1,066	1,090
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	7	7
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Guarantees, Fair Value Disclosure	(178)	(199)
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	111	0
Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, at Carrying Value	485	872
Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	0	0
Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	0	0
Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, Fair Value	485	872
Money Market Funds [Member] | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, at Carrying Value	663	355
Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	0	0
Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	0	0
Money Market Funds [Member] | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, Fair Value	$ 663	$ 355