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Commitments and Contingencies - 2020 Silverado Fire (Details) - Silverado Fire - SCE
$ in Millions
 1 Months Ended 6 Months Ended
Oct. 31, 2020
USD ($)
a
conductor
Jun. 30, 2025
USD ($)
Sep. 30, 2022
individual
structure
May 31, 2022
structure
Commitments and Contingencies        
Acres burned | a 12,000      
Structures destroyed       5
Loss contingency, number of injured | individual     2  
Loss contingency, structured damaged or destroyed       4
Estimated fire suppression costs | $ $ 20      
Payments for legal settlements | $   $ 2    
Loss contingency, number of conductors | conductor 2      
Other Structures        
Commitments and Contingencies        
Structures damaged     9  
Avocado Orchard        
Commitments and Contingencies        
Acres burned | a 200