REVENUE - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 36,234	$ 25,959	$ 17,130
United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	32,020	22,787	14,167
International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	5,638	4,266	3,721
Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	(1,424)	(1,094)	(758)
Eliminations | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Eliminations | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Oil and gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	27,165	19,285	11,995
Oil and gas | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	21,356	14,916	9,888
Oil and gas | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,052	2,528	1,055
Oil and gas | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,733	1,815	986
Oil and gas | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	24	26	66
Oil and gas | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	22,494	15,823	9,048
Oil and gas | United States | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	17,421	12,072	7,485
Oil and gas | United States | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,631	2,203	838
Oil and gas | United States | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,422	1,524	660
Oil and gas | United States | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	20	24	65
Oil and gas | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,671	3,462	2,947
Oil and gas | International | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,935	2,844	2,403
Oil and gas | International | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	421	325	217
Oil and gas | International | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	311	291	326
Oil and gas | International | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4	2	1
Oil and gas | Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Oil and gas | Eliminations | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Oil and gas | Eliminations | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Oil and gas | Eliminations | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Oil and gas | Eliminations | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Chemical
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	6,738	5,243	3,726
Chemical | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	6,359	4,995	3,524
Chemical | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	379	248	202
Chemical | Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Midstream and marketing
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,755	2,525	2,167
Midstream and marketing | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,167	1,969	1,595
Midstream and marketing | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	588	556	572
Midstream and marketing | Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 0	$ 0	$ 0