EQUITY METHOD INTERESTS - Sales and Costs Associated with Equity Method Interest (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		$ 38	$ 0	$ 74	$ 0
Costs		61	28	139	64
Natural gas and NGLs sales | Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		27	0	56	0
Gathering, processing, and transmission costs
Schedule of Equity Method Investments [Line Items]
Costs	[1]	83	94	231	269
Gathering, processing, and transmission costs | Kinetik
Schedule of Equity Method Investments [Line Items]
Costs		24	28	74	64
Purchased oil and gas sales
Schedule of Equity Method Investments [Line Items]
Costs	[1]	211	573	558	1,452
Purchased oil and gas sales | Kinetik
Schedule of Equity Method Investments [Line Items]
Sales		11	0	18	0
Costs		$ 37	$ 0	$ 65	$ 0

[1] For transactions associated with Kinetik, refer to Note 7—Equity Method Interests for further detail.