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DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2026 MWh MMBTU | Dec. 31, 2025 MMBTU MWh
Disposal Group Held-for-sale | SI Partners |  |
Derivative [Line Items] |  |
Disposal group, notional amount, energy measure | 1,461 | 1,016
Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 534 | 336
Congestion revenue rights |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | MWh | 15 | 18
SDG&E | Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 28 | 14
SDG&E | Congestion revenue rights |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | MWh | 15 | 18
SoCalGas | Natural gas |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount | 506 | 322

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