DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Activities Recorded in the Statement of Consolidated Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Realized gains (losses), net	$ 48	$ (47)	$ 25
Unrealized gains (losses), net	51	(67)	69
Derivative instrument gains (losses), net	99	(114)	94
Commodity derivative instruments
Derivative Instruments, Gain (Loss) [Line Items]
Realized gains (losses), net	48	(34)	25
Unrealized gains (losses), net	51	(36)	(20)
Foreign currency derivative instruments
Derivative Instruments, Gain (Loss) [Line Items]
Realized gains (losses), net	0	(13)	0
Pipeline capacity embedded derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gains (losses), net	0	0	7
Preferred Units embedded derivative
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gains (losses), net	$ 0	$ (31)	$ 82