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GENERAL INFORMATION AND OTHER FINANCIAL DATA - INCOME TAXES NARRATIVE (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($)
Schedule Of Income Tax Expense And Effective Income Tax Rates [Line Items] |  |  |
Additional income tax benefit from legislative impacts |  | $ 73 | $ 73
Possible decrease in unrecognized income tax benefits | $ 150 | 150 | 150
SDG&E |  |  |
Schedule Of Income Tax Expense And Effective Income Tax Rates [Line Items] |  |  |
Additional income tax benefit from legislative impacts |  | 26 | 26
SoCalGas |  |  |
Schedule Of Income Tax Expense And Effective Income Tax Rates [Line Items] |  |  |
Additional income tax benefit from legislative impacts |  | 47 | 47
SI Partners | Disposal Group Held-for-sale |  |  |
Schedule Of Income Tax Expense And Effective Income Tax Rates [Line Items] |  |  |
Income tax expense from divestiture | $ 514 | $ 514 | $ 552

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