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DEBT AND CREDIT FACILITIES - NARRATIVE (Details) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
May 31, 2024 USD ($) | Mar. 31, 2025 USD ($) lineOfCredit | Dec. 31, 2024 USD ($)
Line of Credit Facility [Line Items] |  |  |
Total facility |  | $ 9,900 |
Primary committed lines of credit | lineOfCredit |  | 7 |
Ratio of indebtedness to net capital (in percent) |  | 0.65 |
SDG&E |  |  |
Line of Credit Facility [Line Items] |  |  |
Total facility |  | $ 1,500 |
Ratio of indebtedness to net capital (in percent) |  | 0.65 |
SoCalGas |  |  |
Line of Credit Facility [Line Items] |  |  |
Total facility |  | $ 1,200 |
Ratio of indebtedness to net capital (in percent) |  | 0.65 |
SoCalGas | 364-Day Term Loan, Due May 22,2025 |  |  |
Line of Credit Facility [Line Items] |  |  |
Variable percentage rate (in percent) | 0.80% |  |
Credit adjustment spread | 0.10% |  |
SoCalGas | Line of Credit | 364-Day Term Loan, Due May 22,2025 | Secured Debt |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt amount | $ 500 |  | $ 700
Term of debt instrument (in years) | 364 days |  |
Line of credit facility, accordion feature, increase limit | $ 300 |  |
SI Partners |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum adjustment EBITDA allowed |  | 5.25 |
SI Partners and IEnova |  |  |
Line of Credit Facility [Line Items] |  |  |
Number of lines of credit | lineOfCredit |  | 3 |
ECA LNG Phase 1 | Interbank Equilibrium Interest Rate |  |  |
Line of Credit Facility [Line Items] |  |  |
Variable percentage rate (in percent) |  | 1.54% |
ECA LNG Phase 1 | Secured Overnight Financing Rate (SOFR) |  |  |
Line of Credit Facility [Line Items] |  |  |
Variable percentage rate (in percent) |  | 1.64% |
ECA LNG Phase 1 | Loan Agreement To Finance Natural Gas Liquefaction Export Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Total facility |  | $ 1,300 |
Term of debt instrument (in years) |  | 5 years |
ECA LNG Phase 1 | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Variable percentage rate (in percent) |  | 0.10% |

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