DERIVATIVE FINANCIAL INSTRUMENTS - COMMODITY VOLUMES (Details)	12 Months Ended
	Dec. 31, 2024 MWh MMBTU	Dec. 31, 2023 MMBTU MWh
Natural gas
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MMBTU	637	361
Natural gas | SDG&E
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MMBTU	16	17
Natural gas | SoCalGas
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MMBTU	347	268
Electricity
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MWh	0	1
Congestion revenue rights
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MWh	27	36
Congestion revenue rights | SDG&E
Derivatives, Fair Value [Line Items]
Notional amount, energy measure | MWh	27	36