v3.25.2
REGULATORY MATTERS - CPUC GRC Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2025
Dec. 31, 2024
Oct. 31, 2023
Jun. 30, 2025
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account              
General Rate Case [Line Items]              
Public utilities, write-off of disallowed costs, before tax       $ 36 $ 36    
Public utilities, write-off of disallowed costs, after tax       25 25    
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | Utilities: Natural Gas Revenue              
General Rate Case [Line Items]              
Public utilities, write-off of disallowed costs, before tax       29 29    
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | Other Nonoperating Income (Expense)              
General Rate Case [Line Items]              
Public utilities, write-off of disallowed costs, before tax       $ 7 7    
SoCalGas | Catastrophic Event Memorandum Account And COVID -19 Pandemic Protections Memorandum Account | California Public Utilities Commission              
General Rate Case [Line Items]              
Approved recovery amount $ 19            
Requested recovery amount $ 55            
2024 General Rate Case | General Rate Case              
General Rate Case [Line Items]              
Requested interim rate recovery 50.00%            
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission              
General Rate Case [Line Items]              
Approved recovery amount   $ 189          
Approved revenue requirement   $ 2,699          
Approved rate increase   7.50%          
Net income tax benefits   $ 68          
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period One              
General Rate Case [Line Items]              
Approved recovery amount         $ 147    
Approved rate increase         5.45%    
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Two              
General Rate Case [Line Items]              
Approved recovery amount         $ 119    
Approved rate increase         4.17%    
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Three              
General Rate Case [Line Items]              
Approved recovery amount         $ 122    
Approved rate increase         4.11%    
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Electrical Operations              
General Rate Case [Line Items]              
Approved revenue requirement   2,193          
2024 General Rate Case | SDG&E | General Rate Case | California Public Utilities Commission | Natural Gas Operations              
General Rate Case [Line Items]              
Approved revenue requirement   506          
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission              
General Rate Case [Line Items]              
Approved recovery amount   324          
Approved revenue requirement   $ 3,806          
Approved rate increase   9.30%          
Net income tax benefits   $ 202          
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period One              
General Rate Case [Line Items]              
Approved recovery amount         $ 190    
Approved rate increase         5.00%    
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Two              
General Rate Case [Line Items]              
Approved recovery amount         $ 116    
Approved rate increase         2.91%    
2024 General Rate Case | SoCalGas | General Rate Case | California Public Utilities Commission | Revenue Requirement, Period Three              
General Rate Case [Line Items]              
Approved recovery amount         $ 120    
Approved rate increase         2.92%    
2024 GRC - 2024 Requirement | SDG&E | General Rate Case              
General Rate Case [Line Items]              
Requested review and recovery of wildfire mitigation plan $ 417   $ 1,500        
General rate case, expected recovery of wildlife mitigation plan costs 240           $ 194
2024 GRC - 2024 Requirement | SDG&E | General Rate Case | Forecast              
General Rate Case [Line Items]              
General rate case, expected recovery of wildlife mitigation plan costs           $ 96  
2024 GRC - 2024 Requirement | SoCalGas | General Rate Case              
General Rate Case [Line Items]              
General rate case, expected recovery of wildlife mitigation plan costs $ 499