v3.26.1
REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Current Regulatory Balancing Accounts, Net) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts $ 2,142 $ 3,119
Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 5,380 6,300
Electric distribution | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 2,386 1,465
Electric transmission | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 3 37
Electric transmission | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 151 122
Gas distribution and transmission | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 0 78
Gas distribution and transmission | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 321 142
Energy procurement | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 483 1,502
Energy procurement | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 1,437 2,711
Public purpose programs | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 602 472
Public purpose programs | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 200 151
Wildfire-related accounts | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 477 338
Wildfire-related accounts | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 79 84
Residential uncollectibles balancing accounts | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 123 278
Catastrophic event memorandum account | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 27 181
SFGO sale | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 40 83
Nuclear decommissioning adjustment mechanism | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 0 1
Other | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 537 608
Other | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts $ 656 $ 1,166