v3.25.2
Regulatory Assets and Liabilities - Schedule of Regulatory Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Regulatory Assets    
Total current $ 2,805 $ 2,748
Regulatory assets: non-current 10,487 8,886
SCE    
Regulatory Assets    
Total current 2,805 2,748
Regulatory assets: non-current 10,487 8,886
Total regulatory assets 13,292 11,634
SCE | Regulatory balancing and memorandum accounts    
Regulatory Assets    
Total current 2,770 2,723
Regulatory assets: non-current 2,249 867
SCE | Deferred income taxes    
Regulatory Assets    
Regulatory assets: non-current 6,238 5,982
SCE | Unamortized investments, net of accumulated amortization    
Regulatory Assets    
Regulatory assets: non-current 120 115
SCE | Unamortized losses on reacquired debt    
Regulatory Assets    
Regulatory assets: non-current 83 88
SCE | Environmental remediation    
Regulatory Assets    
Regulatory assets: non-current 218 222
SCE | Recovery assets    
Regulatory Assets    
Regulatory assets: non-current 1,488 1,512
SCE | Other    
Regulatory Assets    
Total current 35 25
Regulatory assets: non-current $ 91 $ 100