EQUITY METHOD INVESTMENTS - Distributions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Distributions from equity method investments	$ 52	$ 44	$ 40
Gray Oak Pipeline, LLC
Schedule of Equity Method Investments [Line Items]
Distributions from equity method investments	28	26	23
Wink to Webster Pipeline LLC
Schedule of Equity Method Investments [Line Items]
Distributions from equity method investments	5	0	0
OMOG JV LLC
Schedule of Equity Method Investments [Line Items]
Distributions from equity method investments	$ 19	$ 18	$ 17