v3.26.1
Regulatory Assets and Liabilities - Schedule of Regulatory Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Regulatory Assets    
Total current $ 2,660 $ 3,290
Regulatory assets: non-current 13,011 12,960
SCE    
Regulatory Assets    
Total current 2,660 3,290
Regulatory assets: non-current 13,011 12,960
Total regulatory assets 15,671 16,250
SCE | Regulatory balancing and memorandum accounts    
Regulatory Assets    
Total current 2,607 3,246
Regulatory assets: non-current 2,809 2,843
SCE | Deferred income taxes    
Regulatory Assets    
Regulatory assets: non-current 6,547 6,427
SCE | Unamortized investments, net of accumulated amortization    
Regulatory Assets    
Regulatory assets: non-current 123 126
SCE | Unamortized losses on reacquired debt    
Regulatory Assets    
Regulatory assets: non-current 76 79
SCE | Environmental remediation    
Regulatory Assets    
Regulatory assets: non-current 212 213
SCE | Recovery assets    
Regulatory Assets    
Regulatory assets: non-current 3,072 3,092
SCE | Other    
Regulatory Assets    
Total current 53 44
Regulatory assets: non-current $ 172 $ 180