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Commitments and Contingencies (Wildfire Insurance) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2024 | Nov. 30, 2023 | Aug. 31, 2023 | May 31, 2023 | Mar. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2023 | Oct. 31, 2021
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Requested increase (decrease) revenue requirement |  | $ (290.0) |  |  |  |  |  |  |  |
SCE |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire insurance expense |  |  |  |  |  |  |  | $ 450.0 |  |
Regulatory assets |  |  |  |  |  | $ 12,568.0 |  |  | $ 11,421.0 |
SCE | Customer-funded self-insurance |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire Insurance Coverage |  |  |  | $ 1,000.0 |  |  |  |  |  |
Rate funded wildfire self-insurance program |  |  |  | 150.0 |  |  |  |  |  |
Rate funded wildfire self-insurance program future proceeds, assuming no claims |  |  |  | $ 300.0 |  |  |  |  |  |
Shareholder contribution on self insurance (as a percent) |  |  |  | 2.50% |  |  |  |  |  |
Payment of Self Insurance Cost |  |  |  | $ 500.0 |  |  |  |  |  |
Maximum annual shareholder contribution |  |  |  | $ 12.5 |  |  |  |  |  |
Self-insurance fund value | $ 1,000.0 |  |  |  |  |  |  |  |  |
SCE | Insurance coverage through June 2023 |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire Insurance Coverage |  |  |  |  |  | 1,000.0 |  |  |  |
Self insurance |  |  |  |  |  | 100.0 |  |  |  |
Coverage net |  |  |  |  |  | 937.0 |  |  |  |
SCE | Commercial insurance carriers |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire insurance expense |  |  |  |  |  |  |  | $ 357.0 |  |
SCE | Commercial insurance carriers | Insurance coverage through June 2023 |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Coverage net |  |  |  |  |  | 835.0 |  |  |  |
SCE | Edison Insurance Services-EIS | Insurance coverage through June 2023 |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Coverage net |  |  |  |  |  | 102.0 |  |  |  |
2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 669.0 |  |  | 715.0 |
Increase in accrued estimated losses |  |  |  |  |  | 490.0 | $ 90.0 |  |  |
Expected revenue through electric rates |  |  |  |  |  | 27.0 | 6.0 |  |  |
2017/2018 Wildfire/Mudslide Events | SCE |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Regulatory assets |  |  |  |  |  | 64.0 |  |  |  |
Potential impairment |  |  |  |  |  | 167.0 |  |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | Aggregate |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  | 9,900.0 |  |  |  |
Litigation settlement |  |  |  |  |  | 9,300.0 |  |  |  |
Insurance and other third party recoveries |  |  |  |  |  | 2,000.0 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  | 440.0 |  |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | SED Settlement |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 58.0 |  |  |  | $ 550.0
Thomas and Koenigstein Fires and Montecito Mudslides-TKM | SCE |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire Insurance Coverage |  |  |  |  |  | 1,000.0 |  |  |  |
Self insurance |  |  |  |  |  | 10.0 |  |  |  |
Requested increase (decrease) revenue requirement |  |  | $ 2,400.0 |  |  |  |  |  |  |
Loss contingency, Uninsured claims |  |  | 2,000.0 |  |  |  |  |  |  |
Legal and other costs |  |  | $ 400.0 |  |  |  |  |  |  |
CPUC cost recovery proceedings, capital recovery portion |  |  |  |  |  | 65.0 |  |  |  |
November 2018-Woolsey | SCE |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Wildfire Insurance Coverage |  |  |  |  |  | 1,000.0 |  |  |  |
Self insurance |  |  |  |  |  | 10.0 |  |  |  |
Other Wildfires |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 581.0 |  |  | $ 683.0 |
Increase in accrued estimated losses |  |  |  |  |  | 180.0 | 6.0 |  |  |
Insurance and other third party recoveries |  |  |  |  |  | 55.0 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  | 7.0 |  |  |  |
Other Wildfires | Edison Insurance Services-EIS |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  | $ 1.0 |  |  |  |  |
Other Wildfires | SCE |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 581.0 |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  | 180.0 | $ 6.0 |  |  |
Insurance and other third party recoveries |  |  |  |  |  | 56.0 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  | 7.0 |  |  |  |
Regulatory assets |  |  |  |  |  | 150.0 |  |  |  |
Other Wildfires | SCE | Aggregate |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  | 1,100.0 |  |  |  |
Insurance and other third party recoveries |  |  |  |  |  | 679.0 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  | $ 175.0 |  |  |  |

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