v3.26.1
REGULATORY MATTERS - REGULATORY ACCOUNTS (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) $ 332 $ 376
Regulatory balancing accounts - net undercollected, Noncurrent 1,073 1,060
SI Partners | Discontinued Operations, Held-for-Sale    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets held for sale 57 54
Pension and PBOP plan obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (570) (610)
Removal obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (3,584) (3,540)
Public purpose programs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (330) (347)
Liability insurance premium    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (62) (62)
Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (254)  
Fixed-price contracts and other derivatives    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 21 50
Deferred income taxes recoverable in rates    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 2,503 2,314
Employee benefit costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 18 18
Environmental costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 152 152
Sunrise Powerlink fire mitigation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 122 125
Commodity – electric    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 228 186
Commodity – gas, including transportation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 403 173
Safety and reliability    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 893 894
2024 GRC retroactive impacts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 172 299
Wildfire mitigation plan    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 560 530
Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities)   90
Other regulatory assets, net    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 60 104
SDG&E    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (651) (577)
Regulatory balancing accounts - net undercollected, Noncurrent 505 502
SDG&E | Pension and PBOP plan obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities)   (1)
SDG&E | Removal obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (2,956) (2,913)
SDG&E | Public purpose programs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (143) (175)
SDG&E | Liability insurance premium    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (54) (53)
SDG&E | Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (150)  
SDG&E | Fixed-price contracts and other derivatives    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 6 7
SDG&E | Deferred income taxes recoverable in rates    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 1,134 1,098
SDG&E | Pension and PBOP plan obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 15  
SDG&E | Employee benefit costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 3 3
SDG&E | Environmental costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 113 113
SDG&E | Sunrise Powerlink fire mitigation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 122 125
SDG&E | Commodity – electric    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 228 186
SDG&E | Commodity – gas, including transportation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 49 17
SDG&E | Safety and reliability    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 290 286
SDG&E | 2024 GRC retroactive impacts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 71 124
SDG&E | Wildfire mitigation plan    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 560 530
SDG&E | Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities)   4
SDG&E | Other regulatory assets, net    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 61 72
SoCalGas    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 948 926
Regulatory balancing accounts - net undercollected, Noncurrent 568 558
SoCalGas | Pension and PBOP plan obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (585) (609)
SoCalGas | Removal obligations    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (628) (627)
SoCalGas | Public purpose programs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (187) (172)
SoCalGas | Liability insurance premium    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (8) (9)
SoCalGas | Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (104)  
SoCalGas | Other regulatory assets, net    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) (1)  
SoCalGas | Fixed-price contracts and other derivatives    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 15 43
SoCalGas | Deferred income taxes recoverable in rates    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 1,334 1,189
SoCalGas | Employee benefit costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 15 15
SoCalGas | Environmental costs    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 39 39
SoCalGas | Sunrise Powerlink fire mitigation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 0 0
SoCalGas | Commodity – electric    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 0 0
SoCalGas | Commodity – gas, including transportation    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 354 156
SoCalGas | Safety and reliability    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 603 608
SoCalGas | 2024 GRC retroactive impacts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) 101 175
SoCalGas | Wildfire mitigation plan    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities) $ 0 0
SoCalGas | Other balancing accounts    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities)   86
SoCalGas | Other regulatory assets, net    
Schedule Of Net Regulatory Assets (Liabilities) [Line Items]    
Net regulatory assets (liabilities)   $ 32