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REGULATORY MATTERS - CPUC GRC Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2025 | Dec. 31, 2024 | Oct. 31, 2023 | Jun. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2025 | Dec. 31, 2024
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Public utilities, write-off of disallowed costs, before tax |  |  |  | $ 36 | $ 36 |  |
Public utilities, write-off of disallowed costs, after tax |  |  |  | 25 | 25 |  |
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | Utilities: Natural Gas Revenue |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Public utilities, write-off of disallowed costs, before tax |  |  |  | 29 | 29 |  |
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | Other Nonoperating Income (Expense) |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Public utilities, write-off of disallowed costs, before tax |  |  |  | $ 7 | 7 |  |
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | California Public Utilities Commission |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount | $ 19 |  |  |  |  |  |
Requested recovery amount | $ 55 |  |  |  |  |  |
2024 General Rate Case | General Rate Case |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Requested interim rate recovery | 50.00% |  |  |  |  |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  | $ 189 |  |  |  |  |
Approved revenue requirement |  | $ 2,699 |  |  |  |  |
Approved rate increase |  | 7.50% |  |  |  |  |
Net income tax benefits |  | $ 68 |  |  |  |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period One |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 147 |  |
Approved rate increase |  |  |  |  | 5.45% |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Two |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 119 |  |
Approved rate increase |  |  |  |  | 4.17% |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Three |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 122 |  |
Approved rate increase |  |  |  |  | 4.11% |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Electrical Operations |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved revenue requirement |  | 2,193 |  |  |  |  |
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Natural Gas Operations |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved revenue requirement |  | 506 |  |  |  |  |
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  | 324 |  |  |  |  |
Approved revenue requirement |  | $ 3,806 |  |  |  |  |
Approved rate increase |  | 9.30% |  |  |  |  |
Net income tax benefits |  | $ 202 |  |  |  |  |
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period One |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 190 |  |
Approved rate increase |  |  |  |  | 5.00% |  |
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Two |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 116 |  |
Approved rate increase |  |  |  |  | 2.91% |  |
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Three |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Approved recovery amount |  |  |  |  | $ 120 |  |
Approved rate increase |  |  |  |  | 2.92% |  |
2024 GRC - 2024 Requirement | SDG&E | General Rate Case |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
Requested review and recovery of wildfire mitigation plan | $ 417 |  | $ 1,500 |  |  |  |
General rate case, expected recovery of wildlife mitigation plan costs | 240 |  |  |  |  |  | $ 194
2024 GRC - 2024 Requirement | SDG&E | General Rate Case | Forecast |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
General rate case, expected recovery of wildlife mitigation plan costs |  |  |  |  |  | $ 96 |
2024 GRC - 2024 Requirement | SoCalGas | General Rate Case |  |  |  |  |  |  |
General Rate Case [Line Items] |  |  |  |  |  |  |
General rate case, expected recovery of wildlife mitigation plan costs | $ 499 |  |  |  |  |  |

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