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GENERAL INFORMATION AND OTHER FINANCIAL DATA - WILDFIRE FUND AND CONTINUATION ACCOUNT (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Oct. 31, 2025 | Sep. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2025
Loss Contingencies [Line Items] |  |  |  |
Wildfire fund continuation account, additional liquidity |  | $ 18,000.0 |  |
Wildfire fund, threshold amount to seek payment |  | 1,000.0 |  |
Wildfire fund, ratepayer contributions financed through new bonds |  | 9,000.0 |  |
Wildfire fund, electric IOU shareholder contributions |  | 5,100.0 |  |
Wildfire fund, electric IOU annual contributions |  | 300.0 |  |
Wildfire fund, additional shareholder contributions |  | 3,900.0 |  |
Wildfire fund, annual shareholder contributions payable |  | $ 780.0 |  |
Wildfire fund, potential ratepayer credit |  | 50.00% |  |
Wildfire fund, threshold percentage of equity portion of electric transmission |  | 20.00% |  |
Wildfire fund, maximum claim reimbursement, prior reimbursements, term |  |  |  | 3 years
Wildfire fund, maximum capital investments authorized |  | $ 6,000.0 |  |
Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
IOU expected aggregate reimbursements | $ 1,200.0 |  |  |
SDG&E |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Wildfire fund asset |  | 264.0 | $ 264.0 | $ 264.0
Accelerated Amortization Of Wildfire Fund Asset |  |  | 2.0 | 2.0
Loss contingency, wildfire fund expected contribution |  | 387.0 | 387.0 | 387.0
Loss contingency, wildfire fund, expected fixed contributions |  | 219.3 | 219.3 | 219.3
Loss contingency, wildfire fund, expected annual fixed contributions |  | $ 12.9 | 12.9 | 12.9
Wildfire fund loss contingency, term, expected fixed contributions |  | 17 years |  |
Loss contingency, wildfire fund, expected contingent contributions |  | $ 167.7 | 167.7 | 167.7
Loss contingency, wildfire fund, expected annual contingent contributions |  | $ 33.5 | $ 33.5 | 33.5
Wildfire fund loss contingency, term, expected contingent contribution |  | 5 years |  |
Initial liability cap |  |  |  | $ 1,400.0
Wildfire fund, maximum capital investments authorized |  | $ 258.0 |  |

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