DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Derivative Activities Recorded in the Statement of Consolidated Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized loss, net			$ (83)	$ (55)
Derivative instrument gains (losses), net	$ (32)	$ (113)	(94)	45
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(6)	(48)	(11)	100
Unrealized loss, net	(26)	(65)	(83)	(55)
Derivative instrument gains (losses), net	(32)	(113)	(94)	45
Commodity derivative instruments | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(4)	(48)	(9)	100
Unrealized loss, net	(20)	(98)	(44)	(72)
Pipeline capacity embedded derivatives | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized loss, net	0	2	0	3
Foreign currency derivative instruments | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), net	(2)	0	(2)	0
Unrealized loss, net	(6)	0	(8)	0
Preferred Units embedded derivative | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized loss, net	$ 0	$ 31	$ (31)	$ 14