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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 31, 2020 project_owner
Variable Interest Entity [Line Items] |  |  |
Property, plant and equipment, net | $ 61,437 | $ 54,960 |
Total finance leases | 1,315 | 1,340 |
Equity method investment | 15,400 | 14,266 |
Assets | 96,155 | 87,181 |
SDG&E |  |  |
Variable Interest Entity [Line Items] |  |  |
Property, plant and equipment, net | 25,111 | 23,549 |
Total finance leases | 1,205 | 1,233 |
Assets | 30,773 | 29,185 |
SDG&E | Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Property, plant and equipment, net | 1,138 | 1,166 |
Total finance leases | 1,138 | 1,166 |
Cameron LNG |  |  |
Variable Interest Entity [Line Items] |  |  |
Number of project owners | project_owner |  |  | 4
Sempra Infrastructure | Variable Interest Entity, Primary Beneficiary | Port Arthur LNG |  |  |
Variable Interest Entity [Line Items] |  |  |
Assets | 6,419 | 3,927 |
Liabilities | 1,584 | 600 |
Sempra Infrastructure | Variable Interest Entity, Primary Beneficiary | ECA LNG JV |  |  |
Variable Interest Entity [Line Items] |  |  |
Assets | 1,758 | 1,580 |
Liabilities | 1,080 | 1,029 |
Sempra Infrastructure | Cameron LNG JV |  |  |
Variable Interest Entity [Line Items] |  |  |
Equity method investment | 1,149 | 1,008 |
Oncor Holdings | Sempra Texas Utilities |  |  |
Variable Interest Entity [Line Items] |  |  |
Equity method investment | $ 15,400 | $ 14,266 |
ECA LNG JV | IEnova |  |  |
Variable Interest Entity [Line Items] |  |  |
Ownership percentage in consolidated entity | 83.40% |  |
ECA LNG JV | Subsidiary of TOTAL SE |  |  |
Variable Interest Entity [Line Items] |  |  |
Ownership percentage in consolidated entity | 16.60% |  |

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