DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Activities Recorded in the Statement of Consolidated Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss), net	$ (23)	$ 69	$ (87)
Derivative instrument gains (losses), net	(107)	94	(223)
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(85)	25	(136)
Unrealized gain (loss), net	(22)	69	(87)
Derivative instrument gains (losses), net	(107)	94	(223)
Commodity Derivative Instruments | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(72)	25	(135)
Unrealized gain (loss), net	9	(20)	11
Pipeline capacity embedded derivatives | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss), net	0	7	(61)
Foreign currency derivative instruments | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(13)	0	(1)
Unrealized gain (loss), net	0	0	(1)
Preferred Units embedded derivative | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss), net	$ (31)	$ 82	$ (36)