v3.26.3
REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Current Regulatory Balancing Accounts, Net) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts $ 2,406 $ 3,119
Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 4,846 6,300
Electric distribution | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 1,416 1,465
Electric transmission | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 0 37
Electric transmission | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 147 122
Gas distribution and transmission | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 2 78
Gas distribution and transmission | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 743 142
Energy procurement | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 572 1,502
Energy procurement | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 1,496 2,711
Public purpose programs | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 603 472
Public purpose programs | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 135 151
Wildfire-related accounts | Regulatory Balancing Accounts Payable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 521 338
Wildfire-related accounts | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 91 84
Residential uncollectibles balancing accounts | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts 162 278
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 60 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 648 608
Other | Regulatory Balancing Accounts Receivable    
Regulatory Assets [Line Items]    
Total regulatory balancing accounts $ 629 $ 1,166