REVENUE - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 27,413	$ 28,325	$ 36,234
Operating segments
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	27,413	28,325	36,234
Operating segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	23,880	24,736	32,020
Operating segments | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,398	4,488	5,638
Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	(865)	(899)	(1,424)
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 | Operating segments
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	21,705	21,284	27,165
Oil and gas | Operating segments | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	18,544	17,950	21,356
Oil and gas | Operating segments | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,255	1,991	3,052
Oil and gas | Operating segments | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	875	1,305	2,733
Oil and gas | Operating segments | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	31	38	24
Oil and gas | Operating segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	18,012	17,518	22,494
Oil and gas | Operating segments | United States | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	15,604	14,893	17,421
Oil and gas | Operating segments | United States | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,865	1,619	2,631
Oil and gas | Operating segments | United States | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	514	970	2,422
Oil and gas | Operating segments | United States | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	29	36	20
Oil and gas | Operating segments | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	3,693	3,766	4,671
Oil and gas | Operating segments | International | Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,940	3,057	3,935
Oil and gas | Operating segments | International | NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	390	372	421
Oil and gas | Operating segments | International | Gas
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	361	335	311
Oil and gas | Operating segments | International | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2	2	4
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 | Operating segments
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,920	5,315	6,738
Chemical | Operating segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,628	5,002	6,359
Chemical | Operating segments | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	292	313	379
Chemical | Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0
Midstream and marketing | Operating segments
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,653	2,625	3,755
Midstream and marketing | Operating segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,240	2,216	3,167
Midstream and marketing | Operating segments | International
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	413	409	588
Midstream and marketing | Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 0	$ 0	$ 0