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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jul. 01, 2020 project_owner
Variable Interest Entity [Line Items] |  |  |
Total finance leases | $ 1,340 | $ 1,343 |
Equity method investment | 14,266 | 13,665 |
Assets | 87,181 | 78,574 |
SDG&E |  |  |
Variable Interest Entity [Line Items] |  |  |
Total finance leases | 1,233 | 1,256 |
Assets | 29,185 | 26,422 |
SDG&E | Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Total finance leases | 1,166 | 1,194 |
Cameron LNG |  |  |
Variable Interest Entity [Line Items] |  |  |
Number of project owners | project_owner |  |  | 4
Sempra Infrastructure | Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, maximum borrowing amount | 979 |  |
Sempra Infrastructure | Variable Interest Entity, Primary Beneficiary | Port Arthur LNG |  |  |
Variable Interest Entity [Line Items] |  |  |
Assets | 3,927 |  |
Liabilities | 600 |  |
Sempra Infrastructure | Variable Interest Entity, Primary Beneficiary | ECA LNG JV |  |  |
Variable Interest Entity [Line Items] |  |  |
Assets | 1,580 | 1,099 |
Liabilities | 1,029 | 685 |
Sempra Infrastructure | Cameron LNG JV |  |  |
Variable Interest Entity [Line Items] |  |  |
Equity method investment | 1,008 | 886 |
Oncor Holdings | Sempra Texas Utilities |  |  |
Variable Interest Entity [Line Items] |  |  |
Equity method investment | $ 14,266 | $ 13,665 |
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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