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DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 MMBTU MWh | Dec. 31, 2024 MMBTU MWh
Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 1,405 | 637
Congestion revenue rights |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | MWh | 20 | 27
SDG&E | Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 17 | 16
SDG&E | Congestion revenue rights |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | MWh | 20 | 27
SoCalGas | Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 415 | 347

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