v3.26.1
Regulatory Assets and Liabilities - Schedule of Regulatory Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Regulatory Assets    
Total current $ 2,855 $ 3,290
Regulatory assets: non-current 12,966 12,960
SCE    
Regulatory Assets    
Total current 2,855 3,290
Regulatory assets: non-current 12,966 12,960
Total regulatory assets 15,821 16,250
SCE | Regulatory balancing and memorandum accounts    
Regulatory Assets    
Total current 2,790 3,246
Regulatory assets: non-current 2,683 2,843
SCE | Other    
Regulatory Assets    
Total current 65 44
Regulatory assets: non-current 149 180
SCE | Deferred income taxes    
Regulatory Assets    
Regulatory assets: non-current 6,652 6,427
SCE | Unamortized investments, net of accumulated amortization    
Regulatory Assets    
Regulatory assets: non-current 143 126
SCE | Unamortized losses on reacquired debt    
Regulatory Assets    
Regulatory assets: non-current 74 79
SCE | Environmental remediation    
Regulatory Assets    
Regulatory assets: non-current 214 213
SCE | Recovery assets    
Regulatory Assets    
Regulatory assets: non-current $ 3,051 $ 3,092