INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS - OTHER SEGMENT EXPENSES (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Information
Net sales		$ 26,725	$ 28,257	$ 36,634
Gains (losses) on sales of assets and other, net	$ 142	(60)	522	308
Total		26,880	28,918	37,095
Oil and gas lease operating expense		4,738	4,677	4,028
Transportation and gathering expense		1,608	1,481	1,475
Other operating and non-operating expense		1,581	1,084	1,271
Taxes other than on income		1,039	1,087	1,548
Cost of sales		3,121	3,116	3,273
Purchased commodities		337	2,009	3,287
Depreciation, depletion and amortization		7,371	6,865	6,926
Total		23,672	23,023	24,088
Income before income taxes and other items		3,208	5,895	13,007
Income from equity investments and other		862	534	793
Income from continuing operations before income taxes		4,070	6,429	14,117
Oil and gas | Other Operating Segments And Intersegment Eliminations
Segment Information
Net sales		21,705	21,284	27,165
Gains (losses) on sales of assets and other, net		(551)	192	220
Total		21,154	21,476	27,385
Oil and gas lease operating expense		4,738	4,677	4,028
Transportation and gathering expense		1,583	1,427	1,393
Other operating and non-operating expense		997	889	942
Taxes other than on income		1,026	1,076	1,535
Depreciation, depletion and amortization		6,565	6,112	6,179
Other segment expenses		993	1,031	498
Total		15,902	15,212	14,575
Income before income taxes and other items		5,252	6,264	12,810
Income from equity investments and other		(38)	(24)	(7)
Income from continuing operations before income taxes		5,214	6,240	12,803
Chemical | Other Operating Segments And Intersegment Eliminations
Segment Information
Net sales		4,923	5,321	6,757
Gains (losses) on sales of assets and other, net		19	57	65
Total		4,942	5,378	6,822
Cost of sales		3,367	3,425	3,909
Depreciation, depletion and amortization		363	356	370
Other segment expenses		191	175	149
Total		3,921	3,956	4,428
Income before income taxes and other items		1,021	1,422	2,394
Income from equity investments and other		103	109	114
Income from continuing operations before income taxes		1,124	1,531	2,508
Midstream and marketing | Other Operating Segments And Intersegment Eliminations
Segment Information
Net sales		962	2,551	4,136
Gains (losses) on sales of assets and other, net		627	493	267
Total		1,589	3,044	4,403
Other operating and non-operating expense		298	239	143
Cost of sales		558	597	706
Purchased commodities		470	2,144	3,497
Depreciation, depletion and amortization		329	326	328
Other segment expenses		151	163	167
Total		1,806	3,469	4,841
Income before income taxes and other items		(217)	(425)	(438)
Income from equity investments and other		797	449	711
Income from continuing operations before income taxes		$ 580	$ 24	$ 273