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DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS WITH CONTINGENT FEATURES NARRATIVE (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Derivative [Line Items]    
Derivative fair value $ 44 $ 215
Collateral 44  
SoCalGas    
Derivative [Line Items]    
Derivative fair value 37 $ 210
Collateral $ 37