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Commitments and Contingencies (Wildfire Insurance) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2021 | Sep. 30, 2022 | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Jul. 31, 2019
Edison Insurance Services-EIS |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Wildfire insurance expense |  | $ 9 |  |  |  |  |
SCE |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Wildfire insurance coverage |  |  | $ 1,000 |  | $ 1,000 |  |
Self insurance |  |  | 100 |  | 100 |  |
Coverage net |  |  | 937 |  |  |  |
Co-insurance |  |  |  |  | 63 |  |
Potential impairment |  |  |  | $ 177 |  | $ 186 |
Regulatory assets |  |  |  | 10,678 |  | 9,438 |
Wildfire insurance expense |  |  | 450 |  | 437 |  |
SCE | Commercial insurance carriers |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Coverage net |  |  | 835 |  | 875 |  |
Wildfire insurance expense |  |  | 357 |  | 413 |  |
SCE | Edison Insurance Services-EIS |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Coverage net |  |  | $ 102 |  | $ 28 |  |
2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  | 1,296 |  | $ 1,265 |
2017/2018 Wildfire/Mudslide Events | SCE |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Wildfire insurance coverage |  |  |  | 1,000 |  |  |
Self insurance |  |  |  | 10 |  |  |
Restoration capital expenditures |  |  |  |  |  |  | $ 60
Denied rate increase | $ 8 |  |  |  |  |  |
Potential impairment |  |  |  | 177 |  |  |
Expected FERC cumulative recoveries |  |  |  | 376 |  |  |
Regulatory assets |  |  |  | 142 |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | Aggregate |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  | 8,800 |  |  |
Litigation settlement |  |  |  | 7,800 |  |  |
Insurance recoveries |  |  |  | 2,000 |  |  |
2017/2018 Wildfire/Mudslide Events | SCE | SED Settlement | Aggregate |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Litigation settlement |  |  |  | 120 |  |  |
November 2018 Wildfires | SCE |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Wildfire insurance coverage |  |  |  | 1,000 |  |  |
Self insurance |  |  |  | $ 10 |  |  |
Thomas and Rye wildfires | SCE |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Denied rate increase | $ 6 |  |  |  |  |  |

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