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Commitments and Contingencies (Wildfire Insurance) (Details) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2021 | Jul. 31, 2019
SCE |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |
Wildfire insurance coverage |  |  | $ 1,000 | $ 1,000 |  |
Self insurance |  |  | 50 | 50 |  |
Regulatory assets |  | $ 9,884 |  | 9,884 | $ 9,438 |
Co-insurance |  | 75 | 13 | 75 |  |
Coverage net |  |  | 937 |  |  |
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 |  | 416 |  |  |  |
Regulatory assets |  | 134 |  | 134 |  |
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 |  | 182 |  |  |  |
Expected FERC cumulative recoveries |  | 326 |  | 326 |  |
Regulatory assets |  | 134 |  | $ 134 |  |
2017/2018 Wildfire/Mudslide Events | SCE | Aggregate |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |
Increase in accrued estimated losses |  | 7,900 |  |  |  |
Litigation settlement |  | 7,000 |  |  |  |
Insurance settlements and recoveries |  | 2,000 |  |  |  |
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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