EQUITY METHOD INTERESTS - Sales and Costs Associated with Equity Method Interest (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Lease operating expenses	[1]	$ 321	$ 381	$ 1,016	$ 1,047
Total operating expenses		2,381	1,353	4,724	3,663
Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		0	38	29	74
Lease operating expenses		0	0	2	0
Total operating expenses		0	61	46	139
Oil and gas, excluding purchased
Schedule of Equity Method Investments [Line Items]
Sales	[1]	1,544	1,983	4,843	5,289
Cost of goods and services sold	[1]	78	83	237	231
Oil and gas, excluding purchased | Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		0	27	7	56
Cost of goods and services sold		0	24	21	74
Purchased oil and gas
Schedule of Equity Method Investments [Line Items]
Sales	[1]	434	229	867	612
Cost of goods and services sold	[1]	253	211	511	558
Purchased oil and gas | Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		0	11	22	18
Cost of goods and services sold		$ 0	$ 37	$ 23	$ 65

[1] For transactions with Kinetik prior to the Company’s sale of its remaining shares of Kinetik Class A Common Stock and the resignation of the Company’s designated director from the Kinetik board of directors, refer to Note 6—Equity Method Interests.