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SEGMENT INFORMATION - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items] |  |
Number of operating segments | 3 |
Number of reportable segments | 3 |
Total assets | $ | $ 96,155 | $ 87,181
SI Partners | Sempra Infrastructure |  |
Segment Reporting Information [Line Items] |  |
Ownership interest (as a percent) | 70.00% |
Oncor Electric Delivery Company LLC | Sempra Texas Utilities |  |
Segment Reporting Information [Line Items] |  |
Ownership interest (as a percent) | 80.25% |
SDG&E |  |
Segment Reporting Information [Line Items] |  |
Number of operating segments | 1 |
Number of reportable segments | 1 |
SoCalGas |  |
Segment Reporting Information [Line Items] |  |
Number of operating segments | 1 |
Number of reportable segments | 1 |
Total assets | $ | $ 25,358 | $ 24,266

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