DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Derivative Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Assets:
Derivative asset	$ 1	$ 0
Liabilities:
Derivative liability	62	113
Commodity derivative instruments
Assets:
Derivative asset, fair value	0
Derivative asset, netting	1
Derivative asset	1
Liabilities:
Derivative liability, fair value	54	10
Derivative liability, netting	1	0
Derivative liability	55	10
Commodity derivative instruments | Quoted Price in Active Markets (Level 1)
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	0	0
Commodity derivative instruments | Significant Other Inputs (Level 2)
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	54	10
Commodity derivative instruments | Significant Unobservable Inputs (Level 3)
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	0	0
Foreign currency derivative instruments
Liabilities:
Derivative liability, fair value	7
Derivative liability, netting	0
Derivative liability	7
Foreign currency derivative instruments | Quoted Price in Active Markets (Level 1)
Liabilities:
Derivative liability, fair value	0
Foreign currency derivative instruments | Significant Other Inputs (Level 2)
Liabilities:
Derivative liability, fair value	7
Foreign currency derivative instruments | Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liability, fair value	$ 0
Pipeline capacity embedded derivatives
Liabilities:
Derivative liability, fair value		46
Derivative liability, netting		0
Derivative liability		46
Pipeline capacity embedded derivatives | Quoted Price in Active Markets (Level 1)
Liabilities:
Derivative liability, fair value		0
Pipeline capacity embedded derivatives | Significant Other Inputs (Level 2)
Liabilities:
Derivative liability, fair value		46
Pipeline capacity embedded derivatives | Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liability, fair value		0
Preferred Units embedded derivative
Liabilities:
Derivative liability, fair value		57
Derivative liability, netting		0
Derivative liability		57
Preferred Units embedded derivative | Quoted Price in Active Markets (Level 1)
Liabilities:
Derivative liability, fair value		0
Preferred Units embedded derivative | Significant Other Inputs (Level 2)
Liabilities:
Derivative liability, fair value		0
Preferred Units embedded derivative | Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liability, fair value		$ 57