v3.26.3
REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Long-Term Regulatory Assets) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Jun. 30, 2022
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets $ 16,531 $ 15,981  
Pension benefits      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 341 400  
Environmental compliance costs      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 1,145 1,158  
Price risk management      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 90 100  
Catastrophic event memorandum account      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 526 666  
Wildfire-related accounts      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 1,458 1,626  
Deferred income taxes      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 7,211 6,157  
Financing costs      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 192 202  
SB 901 securitization      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets 4,960 5,089 $ 5,500
Other      
Regulatory Assets [Line Items]      
Total noncurrent regulatory assets $ 608 $ 583