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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 |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2023 | Aug. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Jul. 31, 2019
SCE |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
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% |  |  |  |  |  |  |  |
Threshold for insurance costs before shareholder contributions | $ 500.0 |  |  |  |  |  |  |  |
Maximum annual shareholder contribution | 12.5 |  |  |  |  |  |  |  |
Self-insurance fund value | $ 1,000.0 |  |  |  |  |  |  |  |
Wildfire insurance coverage |  |  |  |  |  | $ 1,000.0 | $ 1,000.0 |  |
Self insurance |  |  |  |  |  | 100.0 | 100.0 |  |
Coverage net |  |  |  |  |  | 937.0 |  |  |
Co-insurance |  |  |  |  |  |  | 63.0 |  |
Regulatory assets |  |  |  | $ 12,277.0 |  | 12,277.0 |  | $ 10,678.0 |
Wildfire insurance expense |  |  |  |  |  | 450.0 | 437.0 |  |
SCE | Commercial insurance carriers |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Coverage net |  |  |  |  |  | 835.0 | 875.0 |  |
Wildfire insurance expense |  |  |  |  |  | 357.0 | 413.0 |  |
SCE | Edison Insurance Services-EIS |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Coverage net |  |  |  |  |  | 102.0 | $ 28.0 |  |
2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  | 90.0 | $ 416.0 |  |  |  |
2017/2018 Wildfire/Mudslide Events | SCE |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Wildfire insurance coverage |  |  |  | 1,000.0 |  |  |  |  |
Self insurance |  |  |  | 10.0 |  |  |  |  |
Restoration capital expenditures |  |  |  |  |  |  |  |  | $ 60.0
Denied rate increase |  | $ 8.0 |  |  |  |  |  |  |
Potential impairment |  |  |  | 173.0 |  | 173.0 |  |  |
Regulatory assets |  |  |  | 43.0 |  | 43.0 |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | Aggregate |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  | 8,800.0 |  |  |  |  |
Litigation settlement |  |  |  | 8,300.0 |  |  |  |  |
Insurance recoveries |  |  |  | 2,000.0 |  |  |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | SED Settlement | Aggregate |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  | 65.0 |  |  |  |  |
November 2018 Wildfires | SCE |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Wildfire insurance coverage |  |  |  | 1,000.0 |  |  |  |  |
Self insurance |  |  |  | 10.0 |  |  |  |  |
Thomas and Rye wildfires | SCE |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Denied rate increase |  | $ 6.0 |  |  |  |  |  |  |
Post-2018 Wildfires |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  | $ 45.0 | 6.0 | 150.0 |  |  |  |
Insurance recoveries |  |  | $ 43.0 |  | $ 139.0 |  |  |  |
Post-2018 Wildfires | SCE |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Regulatory assets |  |  |  | 166.0 |  | $ 166.0 |  |  |
Post-2018 Wildfires | SCE | Aggregate |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  | 702.0 |  |  |  |  |
Insurance recoveries |  |  |  | $ 473.0 |  |  |  |  |

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