v3.26.1
REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Long-Term Regulatory Assets) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2022
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets $ 16,125 $ 15,981  
Pension benefits      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 361 400  
Environmental compliance costs      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 1,132 1,158  
Price risk management      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 85 100  
Catastrophic event memorandum account      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 500 666  
Wildfire-related accounts      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 1,417 1,626  
Deferred income taxes      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 6,831 6,157  
Financing costs      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 195 202  
SB 901 securitization      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 5,013 5,089 $ 5,500
Other      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets $ 591 $ 583