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Commitments and Contingencies (Monetary) (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 18, 2024 plaintiff | Oct. 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Oct. 31, 2020 USD ($) $ / claim | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) $ / claim | Dec. 31, 2019 USD ($)
2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  | $ 490 | $ 90 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 27 | 6 |  |  |  |
Total after-tax charge |  |  |  |  |  |  |  | 333 | 61 |  |  |  |
Payments |  |  |  |  |  |  |  | 536 |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | $ 669 |  | 669 |  | $ 715 |  |  |
Other Wildfires |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  | 180 | 6 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 7 |  |  |  |  |
Total after-tax charge |  |  |  |  |  |  |  | 85 | 4 |  |  |  |
Payments |  |  |  |  |  |  |  | 282 |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 581 |  | 581 |  | 683 |  |  |
SCE |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  |  |  |  |  | 12,568 |  | 12,568 |  | 11,421 |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  |  |  |  |  | 64 |  | 64 |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  | $ 550 |  |  |  | 58 |  | 58 |  |  |  |  |
Fine to State |  | 110 |  |  |  |  |  |  |  |  |  |  |
Shareholder-funded safety measures costs |  | 65 |  |  |  |  |  |  |  |  |  |  |
Third-party uninsured claims cost recovery waiver |  | $ 375 |  |  |  |  |  |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Individual Plaintiff Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  |  | 180 | $ 216 |  |  | $ 876 | $ 1,700 | $ 1,700 |
SCE | 2017/2018 Wildfire/Mudslide Events | Local Public Entity Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  |  |  |  |  |  |  |  |  | $ 360
SCE | 2017/2018 Wildfire/Mudslide Events | TKM Subrogation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  | $ 1,200 |  |  |  |  |  |  |  |
Payment agreement for each dollar of claim | $ / claim |  |  |  |  | 0.555 |  |  |  |  |  |  |  |
Percentage of outstanding individual plaintiff claims | 97.00% |  |  |  |  |  |  |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Woolsey Subrogation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of outstanding individual plaintiff claims | 93.00% |  |  |  |  |  |  |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 71 |  | 71 |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation | SED Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 58 |  | 58 |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Remaining Alleged and Potential Claims |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 598 |  | 598 |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Aggregate |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  | 9,900 |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 440 |  |  |  |  |
Payments |  |  |  |  |  |  |  | 9,200 |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Aggregate | Individual Plaintiff Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 13,000 |  |  |  |  |  |  |  |  |  |  |  |
SCE | November 2018-Woolsey | Woolsey Subrogation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  | $ 2,200 | $ 2,200 |  |  |  |  |  |  |  |  |
Payment agreement for each dollar of claim | $ / claim |  |  |  |  |  |  |  |  |  |  |  | 0.67 |
SCE | Other Wildfires |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  | 180 | 6 |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 7 |  |  |  |  |
Total after-tax charge |  |  |  |  |  |  |  | 84 | $ 4 |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 581 |  | 581 |  |  |  |  |
Regulatory Assets |  |  |  |  |  | $ 150 |  | 150 |  |  |  |  |
SCE | Other Wildfires | Aggregate |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  | 1,100 |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 175 |  |  |  |  |
Total after-tax charge |  |  |  |  |  |  |  | 152 |  |  |  |  |
Payments |  |  |  |  |  |  |  | 488 |  |  |  |  |
SCE | Other Wildfires | Aggregate | CPUC |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | 152 |  |  |  |  |
SCE | Other Wildfires | Aggregate | FERC |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  | $ 23 |  |  |  |  |

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