v3.26.3
REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Long-Term Regulatory Liabilities) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Jun. 30, 2022
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities $ 20,369 $ 20,188  
Cost of removal obligations      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 10,070 9,488  
Public purpose programs      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 1,158 1,169  
Employee benefit plans      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 1,061 1,043  
Transmission tower wireless licenses      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 246 257  
SB 901 securitization      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 5,676 6,010 $ 5,540
Wildfire self-insurance      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities 1,024 1,035  
Other      
Regulatory Liabilities [Line Items]      
Total noncurrent regulatory liabilities $ 1,134 $ 1,186