FAIR VALUE MEASUREMENTS (Basis of Fair Value Measurements on a Recurring Basis) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	$ 1,589	$ 2,045	$ 1,327
Debt securities	1,747	2,059
Derivative Asset, Fair Value, Gross Asset	776
Long-term debt including debt due within one year	13,875	17,125
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	(199)	(220)	$ 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	0	(235)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	21
Gain included in earnings		15
Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	322
Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	622	735
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	1,125	1,324
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset		632
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities 2	939	245
Equity securities	10	20
Total assets at fair value	4,706	3,762
Long-term debt including debt due within one year	13,875	17,125
Total liabilities at fair value	14,709	18,060
Fair Value, Measurements, Recurring | Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	7	0
Fair Value, Measurements, Recurring | Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Guarantees, Fair Value Disclosure	199	220
Fair Value, Measurements, Recurring | Interest rates 6
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	351	145
Fair Value, Measurements, Recurring | Foreign currency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	204	165
Derivative Liability, Fair Value, Gross Liability	119	137
Fair Value, Measurements, Recurring | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	221	322
Derivative Liability, Fair Value, Gross Liability	270	294
Fair Value, Measurements, Recurring | Interest rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability	246	284
Fair Value, Measurements, Recurring | Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	622	735
Fair Value, Measurements, Recurring | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	1,125	1,324
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]
Marketable securities 2	0	0
Equity securities	10	20
Total assets at fair value	108	79
Long-term debt including debt due within one year	0	0
Total liabilities at fair value	103	37
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Guarantees, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Interest rates 6
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Foreign currency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	0	0
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	63	15
Derivative Liability, Fair Value, Gross Liability	103	37
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Interest rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Items (Level 1) | Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	0	0
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	35	44
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities 2	939	245
Equity securities	0	0
Total assets at fair value	4,591	3,683
Long-term debt including debt due within one year	13,875	17,125
Total liabilities at fair value	14,407	17,803
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in nonconsolidated affiliates	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Sadara Chemical Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Guarantees, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest rates 6
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	351	145
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	204	165
Derivative Liability, Fair Value, Gross Liability	119	137
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	158	307
Derivative Liability, Fair Value, Gross Liability	167	257
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability	246	284
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	622	735
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	1,090	1,280
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities 2	0	0
Equity securities	0	0
Total assets at fair value	7	0
Long-term debt including debt due within one year	0	0
Total liabilities at fair value	199	220
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	0
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	199	220
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest rates 6
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Foreign currency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Commodities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Government debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities	0	0
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	0	0
Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	872	317
Held-to-maturity Securities [Member] | 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]
Cash equivalents	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	872	317
Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Money Market Funds [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	355	489
Money Market Funds [Member] | 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]
Cash equivalents	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	355	489
Money Market Funds [Member] | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 0	$ 0