DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details) |
9 Months Ended | 12 Months Ended |
|---|---|---|
|
Sep. 30, 2026
MMBTU
MWh
|
Dec. 31, 2025
MMBTU
MWh
|
|
| Disposal Group Held-for-sale | SI Partners | ||
| Derivative [Line Items] | ||
| Disposal group, notional amount, energy measure | 1,455 | 1,016 |
| Natural gas | ||
| Derivative [Line Items] | ||
| Derivative, nonmonetary notional amount | 604 | 336 |
| Congestion revenue rights | ||
| Derivative [Line Items] | ||
| Derivative, nonmonetary notional amount | MWh | 14 | 18 |
| San Diego Gas and Electric Company | Natural gas | ||
| Derivative [Line Items] | ||
| Derivative, nonmonetary notional amount | 13 | 14 |
| San Diego Gas and Electric Company | Congestion revenue rights | ||
| Derivative [Line Items] | ||
| Derivative, nonmonetary notional amount | MWh | 14 | 18 |
| Southern California Gas Company | Natural gas | ||
| Derivative [Line Items] | ||
| Derivative, nonmonetary notional amount | 591 | 322 |