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
Foreign currency derivative instruments
Liabilities:
Derivative liability, fair value	7
Derivative liability, netting	0
Derivative liability	7
Pipeline capacity embedded derivatives
Liabilities:
Derivative liability, fair value		46
Derivative liability, netting		0
Derivative liability		46
Preferred Units embedded derivative
Liabilities:
Derivative liability, fair value		57
Derivative liability, netting		0
Derivative liability		57
Quoted Price in Active Markets (Level 1) | Commodity derivative instruments
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	0	0
Quoted Price in Active Markets (Level 1) | Foreign currency derivative instruments
Liabilities:
Derivative liability, fair value	0
Quoted Price in Active Markets (Level 1) | Pipeline capacity embedded derivatives
Liabilities:
Derivative liability, fair value		0
Quoted Price in Active Markets (Level 1) | Preferred Units embedded derivative
Liabilities:
Derivative liability, fair value		0
Significant Other Inputs (Level 2) | Commodity derivative instruments
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	54	10
Significant Other Inputs (Level 2) | Foreign currency derivative instruments
Liabilities:
Derivative liability, fair value	7
Significant Other Inputs (Level 2) | Pipeline capacity embedded derivatives
Liabilities:
Derivative liability, fair value		46
Significant Other Inputs (Level 2) | Preferred Units embedded derivative
Liabilities:
Derivative liability, fair value		0
Significant Unobservable Inputs (Level 3) | Commodity derivative instruments
Assets:
Derivative asset, fair value	0
Liabilities:
Derivative liability, fair value	0	0
Significant Unobservable Inputs (Level 3) | Foreign currency derivative instruments
Liabilities:
Derivative liability, fair value	$ 0
Significant Unobservable Inputs (Level 3) | Pipeline capacity embedded derivatives
Liabilities:
Derivative liability, fair value		0
Significant Unobservable Inputs (Level 3) | Preferred Units embedded derivative
Liabilities:
Derivative liability, fair value		$ 57