GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Capitalized Financing Costs Disclosure [Line Items] | ||
| Capitalized financing costs | $ 239 | $ 174 |
| SDG&E | ||
| Capitalized Financing Costs Disclosure [Line Items] | ||
| Capitalized financing costs | 23 | 25 |
| SoCalGas | ||
| Capitalized Financing Costs Disclosure [Line Items] | ||
| Capitalized financing costs | $ 22 | $ 25 |