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WILDFIRE-RELATED CONTINGENCIES (2019 Kincade Fire, 2021 Dixie Fire and 2022 Mosquito Fire) (Details) numberOfPeople in Millions, $ in Millions |  |  | 3 Months Ended |  |  |  |
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Jul. 13, 2021 USD ($) a structure injury | Nov. 04, 2019 numberOfPeople | Mar. 31, 2025 USD ($) | Apr. 16, 2025 notice plaintiff numberOfClaimHolder company complaint | Dec. 31, 2024 USD ($) | Sep. 06, 2022 a structure numberOfFatality injury | Oct. 23, 2019 a numberOfFatality injury structure
2019 Kincade Fire |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of acres burned (acre) | a |  |  |  |  |  |  | 77,758
Number of fatalities (fatality) | numberOfFatality |  |  |  |  |  |  | 0
Number of injuries | injury |  |  |  |  |  |  | 4
Number of structures destroyed (structure) | structure |  |  |  |  |  |  | 374
Number of structures damaged (structure) | structure |  |  |  |  |  |  | 60
Number of people part of mandatory evacuation order | numberOfPeople |  | 0.2 |  |  |  |  |
Loss contingency liability |  |  | $ 1,275 |  | $ 1,225 |  |
Potential loss contingency |  |  | 50 |  |  |  |
Insurance receivable fully collected |  |  | 430 |  |  |  |
2019 Kincade Fire | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of complaints (complaint) | complaint |  |  |  | 134 |  |  |
Number of plaintiffs represented by complaints | plaintiff |  |  |  | 2,983 |  |  |
2021 Dixie fire |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of acres burned (acre) | a | 963,309 |  |  |  |  |  |
Number of structures destroyed (structure) | structure | 1,311 |  |  |  |  |  |
Number of structures damaged (structure) | structure | 94 |  |  |  |  |  |
Number of residential structures destroyed (structure) | structure | 763 |  |  |  |  |  |
Number of multi-family residential structures destroyed (structure) | structure | 12 |  |  |  |  |  |
Number of commercial residential structures destroyed (structure) | structure | 8 |  |  |  |  |  |
Number of commercial non-residential structures destroyed (structure) | structure | 148 |  |  |  |  |  |
Number of detached structures destroyed (structure) | structure | 466 |  |  |  |  |  |
Number of first responder injuries (injury) | injury | 4 |  |  |  |  |  |
Estimated losses |  |  |  |  | 1,925 |  |
Loss contingency, costs incurred | $ 650 |  |  |  |  |  |
Insurance receivable |  |  | 527 |  |  |  |
Probable of recovery |  |  | 2,061 |  |  |  |
2021 Dixie fire | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of complaints (complaint) | numberOfClaimHolder |  |  |  | 183 |  |  |
Number of plaintiffs represented by complaints | numberOfClaimHolder |  |  |  | 8,687 |  |  |
2021 Dixie fire | Wildfire Fund |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | 925 |  |  |  |
Probable of recovery received |  |  | 350 |  |  |  |
2021 Dixie fire | FERC TO rates |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | 94 |  |  |  |
2021 Dixie fire | WEMA |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | 515 |  |  |  |
2021 Dixie fire | National Park |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of acres burned (acre) | a | 70,000 |  |  |  |  |  |
2021 Dixie fire | National Forrest |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of acres burned (acre) | a | 685,000 |  |  |  |  |  |
2022 Mosquito fire |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of acres burned (acre) | a |  |  |  |  |  | 76,788 |
Number of fatalities (fatality) | numberOfFatality |  |  |  |  |  | 0 |
Number of injuries | injury |  |  |  |  |  | 0 |
Number of structures destroyed (structure) | structure |  |  |  |  |  | 78 |
Number of structures damaged (structure) | structure |  |  |  |  |  | 13 |
Loss contingency liability |  |  |  |  | $ 100 |  |
Number of residential structures destroyed (structure) | structure |  |  |  |  |  | 44 |
Number of detached structures destroyed (structure) | structure |  |  |  |  |  | 40 |
Insurance receivable |  |  | 96 |  |  |  |
Probable of recovery |  |  | 157 |  |  |  |
Percentage of fire contained |  |  |  |  |  | 100.00% |
2022 Mosquito fire | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of complaints (complaint) | complaint |  |  |  | 25 |  |  |
Number of plaintiffs represented by complaints | notice |  |  |  | 2,716 |  |  |
Number of public entities who files complaints | company |  |  |  | 6 |  |  |
2022 Mosquito fire | Wildfire Fund |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | 0 |  |  |  |
2022 Mosquito fire | FERC TO rates |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | 7 |  |  |  |
2022 Mosquito fire | WEMA |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Probable of recovery |  |  | $ 54 |  |  |  |

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