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PROPERTY, PLANT AND EQUIPMENT - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Utilities    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets $ 118 $ 159
Transport    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets 1,179 1,187
Midstream    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets 389 113
Data    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets 2,287 2,643
Accumulated fair value adjustments:    
Disclosure of detailed information about property, plant and equipment [line items]    
Gain from revaluation 252 786
Accumulated fair value adjustments: | Utilities    
Disclosure of detailed information about property, plant and equipment [line items]    
Gain from revaluation 134 652
Accumulated fair value adjustments: | Transport    
Disclosure of detailed information about property, plant and equipment [line items]    
Gain from revaluation 48 113
Accumulated fair value adjustments: | Midstream    
Disclosure of detailed information about property, plant and equipment [line items]    
Gain from revaluation 70 21
Accumulated fair value adjustments: | Data    
Disclosure of detailed information about property, plant and equipment [line items]    
Gain from revaluation $ 0 $ 0