v3.26.1
Commitments and Contingencies - Recoveries (Details) - SCE - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 13 Months Ended
Jul. 31, 2024
Mar. 31, 2025
Dec. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2027
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Commitments and Contingencies                          
Insurance and other third party recoveries         $ 82.0                
Loss contingency, wildfire insurance expense   $ 50.0               $ 450.0      
Proceeds from self-insurance program       $ 166.0                  
Loss contingency, revenue adjustments       650.0                  
Wildfire Liability Insurance | Subsidiary of Common Parent                          
Commitments and Contingencies                          
Proceeds from self-insurance program             $ 300.0 $ 300.0 $ 150.0        
Commercial insurance carriers                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance expense                   357.0      
Insurance For The Period June 1, 2019 Through June 30, 2020                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage                         $ 1,200.0
Loss contingency, self insurance retention per wildfire occurrence                         165.0
Loss contingency, wildfire insurance coverage, net                         $ 1,000.0
Insurance For The Period July 1, 2020 Through June 30, 2021                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage                       $ 1,000.0  
Loss contingency, self insurance retention per wildfire occurrence                       130.0  
Loss contingency, wildfire insurance coverage, net                       $ 870.0  
Insurance For The Period July 1, 2021 Through June 30, 2022                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage                     $ 1,000.0    
Loss contingency, self insurance retention per wildfire occurrence                     163.0    
Loss contingency, wildfire insurance coverage, net                     $ 837.0    
Insurance For The Period July 1, 2022 Through June 30, 2023                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage                   1,000.0      
Loss contingency, self insurance retention per wildfire occurrence                   63.0      
Loss contingency, wildfire insurance coverage, net                   $ 937.0      
Customer-Funded Self-Insurance                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage $ 1,000.0                        
Rate funded wildfire self-insurance program future proceeds, assuming no claims 300.0                        
Maximum annual shareholder contribution $ 12.5                        
Shareholder contribution on self insurance (as a percent) 2.50%                        
Threshold before shareholder contributions $ 500.0                        
Loss contingency, revenue adjustments $ 274.0                        
Wildfires Ignited Between January 1, 2025 And December 31, 2025                          
Commitments and Contingencies                          
Loss contingency, customer funded self-insurance             1,000.0            
Maximum annual shareholder contribution             $ 12.5            
Wildfires Ignited Between January 1, 2026 And December 31, 2026                          
Commitments and Contingencies                          
Loss contingency, customer funded self-insurance       1,000.0                  
Maximum annual shareholder contribution       12.5                  
Forecast                          
Commitments and Contingencies                          
Proceeds from self-insurance program, additional amount authorized for collection     $ 327.0                    
Proceeds from insurance premiums collected, remaining amount authorized for collection           $ 157.0              
2017/2018 Wildfire/Mudslide Events                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage       1,000.0                  
Loss contingency, self insurance retention per wildfire occurrence       10.0                  
Insurance and other third party recoveries         $ 0.0                
2017/2018 Wildfire/Mudslide Events | Aggregate                          
Commitments and Contingencies                          
Insurance and other third party recoveries       2,000.0                  
November 2018 Wildfires                          
Commitments and Contingencies                          
Loss contingency, wildfire insurance coverage       1,000.0                  
Loss contingency, self insurance retention per wildfire occurrence       10.0                  
2017 Creek Fire                          
Commitments and Contingencies                          
Insurance and other third party recoveries       $ 18.0