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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Assets:    
Derivative asset $ 5 $ 0
Liabilities:    
Derivative liability 50 113
Commodity derivative instruments | Recurring    
Assets:    
Derivative asset, fair value 5  
Derivative asset, netting 0  
Derivative asset 5  
Liabilities:    
Derivative liability, fair value 50 10
Derivative liability, netting 0 0
Derivative liability 50 10
Commodity derivative instruments | Recurring | Quoted Price in Active Markets (Level 1)    
Assets:    
Derivative asset, fair value 0  
Liabilities:    
Derivative liability, fair value 0 0
Commodity derivative instruments | Recurring | Significant Other Inputs (Level 2)    
Assets:    
Derivative asset, fair value 5  
Liabilities:    
Derivative liability, fair value 50 10
Commodity derivative instruments | Recurring | Significant Unobservable Inputs (Level 3)    
Assets:    
Derivative asset, fair value 0  
Liabilities:    
Derivative liability, fair value $ 0 0
Pipeline capacity embedded derivatives | Recurring    
Liabilities:    
Derivative liability, fair value   46
Derivative liability, netting   0
Derivative liability   46
Pipeline capacity embedded derivatives | Recurring | Quoted Price in Active Markets (Level 1)    
Liabilities:    
Derivative liability, fair value   0
Pipeline capacity embedded derivatives | Recurring | Significant Other Inputs (Level 2)    
Liabilities:    
Derivative liability, fair value   46
Pipeline capacity embedded derivatives | Recurring | Significant Unobservable Inputs (Level 3)    
Liabilities:    
Derivative liability, fair value   0
Preferred Units embedded derivative | Recurring    
Liabilities:    
Derivative liability, fair value   57
Derivative liability, netting   0
Derivative liability   57
Preferred Units embedded derivative | Recurring | Quoted Price in Active Markets (Level 1)    
Liabilities:    
Derivative liability, fair value   0
Preferred Units embedded derivative | Recurring | Significant Other Inputs (Level 2)    
Liabilities:    
Derivative liability, fair value   0
Preferred Units embedded derivative | Recurring | Significant Unobservable Inputs (Level 3)    
Liabilities:    
Derivative liability, fair value   $ 57