GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Capitalized Financing Costs Disclosure [Line Items] | ||||
| Capitalized interest | $ 195 | $ 133 | $ 379 | $ 253 |
| AFUDC debt | 14 | 16 | 27 | 29 |
| AFUDC equity | 38 | 46 | 80 | 87 |
| SDG&E | ||||
| Capitalized Financing Costs Disclosure [Line Items] | ||||
| AFUDC debt | 7 | 9 | 13 | 15 |
| AFUDC equity | 16 | 23 | 33 | 42 |
| SoCalGas | ||||
| Capitalized Financing Costs Disclosure [Line Items] | ||||
| AFUDC debt | 7 | 7 | 14 | 14 |
| AFUDC equity | $ 15 | $ 18 | $ 30 | $ 36 |