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INTANGIBLE ASSETS - Cash Generating Units (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of information for cash-generating units [line items]    
Intangible assets $ 2,847 $ 2,687
Brazilian regulated gas transmission operation    
Disclosure of information for cash-generating units [line items]    
Intangible assets 2,816 2,645
U.K. regulated distribution operation    
Disclosure of information for cash-generating units [line items]    
Intangible assets $ 31 $ 42