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Commitments and Contingencies - Schedule of Payments to be Made Under Settlement Agreements (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024 | Oct. 31, 2021
--- | --- | --- | ---
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | $ 98 | $ 60 |
Long term wildfire-related claims liabilities | 456 | 941 |
Total balance at end of period | 554 | 1,001 |
SCE |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 98 | 60 |
Long term wildfire-related claims liabilities | 456 | 941 |
Total balance at end of period |  | 1,001 |
2017/2018 Wildfire/Mudslide Events |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 34 |  |
Long term wildfire-related claims liabilities | 184 | 38 |
Total balance at end of period | 218 | 426 |
Estimate of possible loss | 157 | 340 |
2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 14 | 29 |
2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |
Commitments and Contingencies |  |  |
Long term wildfire-related claims liabilities | 27 |  |
2017/2018 Wildfire/Mudslide Events | SCE |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities |  | 48 |
Long term wildfire-related claims liabilities |  | 378 |
Total balance at end of period |  | 426 |
2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 20 | 19 |
2017/2018 Wildfire/Mudslide Events | SED Settlement | SCE |  |  |
Commitments and Contingencies |  |  |
Total balance at end of period |  |  | $ 550
Other Wildfire Events |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 29 |  |
Long term wildfire-related claims liabilities | 232 |  |
Total balance at end of period | 261 | 575 |
Other Wildfire Events | SCE |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities |  | 12 |
Long term wildfire-related claims liabilities |  | 563 |
Total balance at end of period |  | 575 |
Eaton Fire |  |  |
Commitments and Contingencies |  |  |
Current portion of wildfire-related claims liabilities | 35 |  |
Long term wildfire-related claims liabilities | 40 |  |
Total balance at end of period | 75 | $ 0 |
Eaton Fire | SCE |  |  |
Commitments and Contingencies |  |  |
Total balance at end of period | $ 5 |  |

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