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DERIVATIVE FINANCIAL INSTRUMENTS - CONTINGENT FEATURES (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Aggregate fair value of net liability position $ 190 $ 122
Aggregate fair value of additional collateral 189  
SoCalGas    
Derivative Instruments, Gain (Loss) [Line Items]    
Aggregate fair value of net liability position 47 $ 42
Aggregate fair value of additional collateral $ 47