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WILDFIRE-RELATED CONTINGENCIES (2019 Kincade Fire, 2020 Zogg Fire, 2021 Dixie Fire and 2022 Mosquito Fire) (Details) numberOfPeople in Millions, $ in Millions |  |  |  |  | 6 Months Ended |  |  |  |  |
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Oct. 18, 2023 USD ($) | Jan. 05, 2022 USD ($) | Jul. 13, 2021 USD ($) a structure injury | Nov. 04, 2019 numberOfPeople | Jun. 30, 2024 USD ($) | Jul. 17, 2024 notice numberOfClaimHolder complaint plaintiff | Dec. 31, 2023 USD ($) | Oct. 09, 2023 USD ($) | Sep. 06, 2022 a structure injury numberOfFatality | Oct. 23, 2019 a structure numberOfFatality injury
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 |  |  |  |  |  |
Fire fighting costs recovery requested |  | $ 90.0 |  |  |  |  |  |  |  |
Loss contingency liability |  |  |  |  |  |  | $ 1,125.0 |  |  |
Insurance receivable |  |  |  |  |  |  | 430.0 |  |  |
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 |  |  |  |  |  |  |
Insurance receivable |  |  |  |  | $ 525.0 |  |  |  |  |
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 |  |  |  |  |  |  |
Loss contingency approximate cost | $ 40.0 |  |  |  |  |  |  |  |  |
Loss contingency approximate cost, period | 5 years |  |  |  |  |  |  |  |  |
Estimated losses |  |  |  |  |  |  | 1,600.0 |  |  |
Loss contingency, costs incurred |  |  | $ 650.0 |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 1,712.0 |  |  |  |  |
2021 Dixie fire | California General Fund |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Settlement amount proposed |  |  |  |  |  |  |  | $ 2.5 |  |
2021 Dixie fire | 2021 Dixie Fire, Tribes Impacted |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Settlement amount proposed |  |  |  |  |  |  |  | $ 2.5 |  |
2021 Dixie fire | Other Current Liabilities |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Potential loss contingency |  |  |  |  | 5.0 |  |  |  |  |
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 |  |  |  |  |  |  | $ 100.0 |  |  |
Insurance receivable |  |  |  |  | 83.0 |  |  |  |  |
Number of residential structures destroyed (structure) | structure |  |  |  |  |  |  |  |  | 44 |
Number of detached structures destroyed (structure) | structure |  |  |  |  |  |  |  |  | 40 |
Probable of recovery |  |  |  |  | 143.0 |  |  |  |  |
Percentage of fire contained |  |  |  |  |  |  |  |  | 100.00% |
Subsequent Event | 2019 Kincade Fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of complaints (complaint) | complaint |  |  |  |  |  | 132 |  |  |  |
Number of plaintiffs represented by complaints | plaintiff |  |  |  |  |  | 2,907 |  |  |  |
Subsequent Event | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of complaints (complaint) | numberOfClaimHolder |  |  |  |  |  | 172 |  |  |  |
Number of plaintiffs represented by complaints | numberOfClaimHolder |  |  |  |  |  | 8,519 |  |  |  |
Subsequent Event | 2022 Mosquito fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of complaints (complaint) | complaint |  |  |  |  |  | 8 |  |  |  |
Number of plaintiffs represented by complaints | notice |  |  |  |  |  | 329 |  |  |  |
Wildfire Fund | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 600.0 |  |  |  |  |
Wildfire Fund | 2022 Mosquito fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 0.0 |  |  |  |  |
FERC TO rates | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 93.0 |  |  |  |  |
FERC TO rates | 2022 Mosquito fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 7.0 |  |  |  |  |
WEMA | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | 494.0 |  |  |  |  |
WEMA | 2022 Mosquito fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Probable of recovery |  |  |  |  | $ 53.0 |  |  |  |  |
National Park | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of acres burned (acre) | a |  |  | 70,000 |  |  |  |  |  |  |
National Forrest | 2021 Dixie fire |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of acres burned (acre) | a |  |  | 685,000 |  |  |  |  |  |  |

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