v3.26.1
Related-Party Transactions (Details) - USD ($)
$ in Millions
1 Months Ended
Feb. 28, 2025
Mar. 31, 2026
Dec. 31, 2025
Related party transactions      
Long-term insurance receivable due from affiliate   $ 456 $ 359
SCE      
Related party transactions      
Wildfire insurance expense $ 50    
SCE | Wildfire Liability Insurance | Subsidiary of Common Parent      
Related party transactions      
Long-term insurance receivable due from affiliate   $ 118 $ 226