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Commitments and Contingencies (Wildfires) (Details) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 15, 2024 plaintiff USD ($) | Oct. 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Oct. 31, 2020 USD ($) $ / claim | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | 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 (decrease) in estimated loss |  |  |  |  |  | $ 65,000,000 |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | $ 37,000,000 | $ 76,000,000 |  |
Total after-tax charge |  |  |  |  |  |  |  |  |  | 428,000,000 | 879,000,000 |  |
Payments |  |  |  |  |  |  |  |  |  | 1,034,000,000 |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 715,000,000 |  |  |  | 715,000,000 | 1,119,000,000 |  |
Total pre-tax charge |  |  |  |  |  |  |  |  |  | 593,000,000 | 1,220,000,000 |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 630,000,000 | 1,296,000,000 |  |
2017/2018 Wildfire/Mudslide Events | Individual Plaintiff Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 1,500 |  |  |  |  |  |  |  |  |  |  |  |
Post-2018 Wildfires |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | 2,000,000 | 162,000,000 |  |
Total after-tax charge |  |  |  |  |  |  |  |  |  | 25,000,000 | 14,000,000 |  |
Payments |  |  |  |  |  |  |  |  |  | 190,000,000 |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 676,000,000 |  |  |  | 676,000,000 | 682,000,000 |  |
Total pre-tax charge |  |  |  |  |  |  |  |  |  | 35,000,000 | 20,000,000 |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 184,000,000 | 572,000,000 |  |
SCE |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  |  |  |  |  | 11,421,000,000 |  |  |  | 11,421,000,000 | 10,678,000,000 |  |
SCE | 2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  | 4,000,000 |  |  |  |  |  |  |
Total after-tax charge |  |  |  |  |  | 44,000,000 |  |  |  |  |  |  |
Regulatory Assets |  |  |  |  |  | 37,000,000 |  |  |  | 37,000,000 |  |  |
Total pre-tax charge |  |  |  |  |  | 61,000,000 |  |  |  |  |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 630,000,000 |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  | $ 550,000,000 |  |  |  | 62,000,000 |  |  |  | 62,000,000 |  |  |
Fine to State |  | 110,000,000 |  |  |  |  |  |  |  |  |  |  |
Shareholder-funded safety measures costs |  | 65,000,000 |  |  |  |  |  |  |  |  |  |  |
Third-party uninsured claims cost recovery waiver |  | $ 375,000,000 |  |  |  |  |  |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Local Public Entity Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  |  |  |  |  |  |  |  |  | $ 360,000,000
SCE | 2017/2018 Wildfire/Mudslide Events | TKM Subrogation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  | $ 1,200,000,000 |  |  |  |  |  |  |  |
Payment agreement for each dollar of claim | $ / claim |  |  |  |  | 0.555 |  |  |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Individual Plaintiff Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  |  |  |  | 134,000,000 | $ 316,000,000 | $ 278,000,000 | $ 148,000,000 | 876,000,000 | 1,700,000,000 | $ 1,700,000,000 |
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 78,000,000 |  |  |  | 78,000,000 |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation | SED Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 62,000,000 |  |  |  | 62,000,000 |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Estimated Losses for Remaining Alleged and Potential Claims |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 637,000,000 |  |  |  | 637,000,000 |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Aggregate |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | 413,000,000 |  |  |
Payments |  |  |  |  |  |  |  |  |  | 8,700,000,000 |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 9,400,000,000 |  |  |
SCE | November 2018 Wildfires | Woolsey Subrogation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Payments |  |  | $ 2,200,000,000 | $ 2,200,000,000 |  |  |  |  |  |  |  |  |
Payment agreement for each dollar of claim | $ / claim |  |  |  |  |  |  |  |  |  |  |  | 0.67 |
SCE | 2017/2018 Wildfire/Mudslide Events, Excluding Certain Litigation | Aggregate | Individual Plaintiff Settlements |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | 12,000 |  |  |  |  |  |  |  |  |  |  |  |
SCE | Post-2018 Wildfires |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | 2,000,000 | 162,000,000 |  |
Total after-tax charge |  |  |  |  |  |  |  |  |  | 24,000,000 | 8,000,000 |  |
Regulatory Assets |  |  |  |  |  | 154,000,000 |  |  |  | 154,000,000 |  |  |
Total pre-tax charge |  |  |  |  |  |  |  |  |  | 33,000,000 | 11,000,000 |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 184,000,000 | $ 572,000,000 |  |
Expected insurance recoveries |  |  |  |  |  | $ 512,000,000 |  |  |  | 512,000,000 |  |  |
SCE | Post-2018 Wildfires | Aggregate |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | 168,000,000 |  |  |
Total after-tax charge |  |  |  |  |  |  |  |  |  | 65,000,000 |  |  |
Payments |  |  |  |  |  |  |  |  |  | 204,000,000 |  |  |
Increase in accrued estimated losses |  |  |  |  |  |  |  |  |  | 880,000,000 |  |  |
SCE | Post-2018 Wildfires | Aggregate | CPUC |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | 152,000,000 |  |  |
SCE | Post-2018 Wildfires | Aggregate | FERC |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |
Expected revenue through electric rates |  |  |  |  |  |  |  |  |  | $ 16,000,000 |  |  |

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