v3.25.2
DEBT AND CREDIT FACILITIES - LONG-TERM DEBT (Details) - USD ($)
$ in Millions
 1 Months Ended 6 Months Ended
May 31, 2025
Apr. 30, 2025
Mar. 31, 2025
Jan. 31, 2025
Jun. 30, 2025
Jul. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]              
Total facility         $ 9,900    
SDG&E              
Debt Instrument [Line Items]              
Total facility         1,500    
SoCalGas              
Debt Instrument [Line Items]              
Total facility         1,200    
First Mortgage Bonds, 5.40% April 15, 2035 | Secured Debt | SDG&E              
Debt Instrument [Line Items]              
Debt amount     $ 850        
Stated rate of debt (as a percent)     5.40%        
Proceeds from debt issuance     $ 840        
Unamortized debt issuance costs     $ 10        
First Mortgage Bonds, 5.45% June 15, 2035 | Secured Debt | SoCalGas              
Debt Instrument [Line Items]              
Debt amount $ 600            
Stated rate of debt (as a percent) 5.45%            
Proceeds from debt issuance $ 592            
Unamortized debt issuance costs 8            
First Mortgage Bonds, 6.00% June 15, 2055 | Secured Debt | SoCalGas              
Debt Instrument [Line Items]              
Debt amount $ 500            
Stated rate of debt (as a percent) 6.00%            
Proceeds from debt issuance $ 488            
Unamortized debt issuance costs $ 12            
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | ECA LNG Phase 1              
Debt Instrument [Line Items]              
Total facility         1,300    
Debt outstanding         $ 1,200   $ 1,100
Weighted average interest rate (as a percent)         7.28%   7.29%
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | ECA LNG Phase 1 | Subsequent Event              
Debt Instrument [Line Items]              
Total facility           $ 1,500  
Effective interest rate           2.29%  
Debt instrument, basis spread on variable rate, minimum           0.10%  
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | IEnova              
Debt Instrument [Line Items]              
Maximum exposure under guarantor obligations         $ 1,056    
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | TotalEnergies SE              
Debt Instrument [Line Items]              
Maximum exposure under guarantor obligations         262    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG              
Debt Instrument [Line Items]              
Debt outstanding         $ 1,600   $ 1,100
Weighted average interest rate (as a percent)         5.44%   5.33%
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Domestic Line of Credit | Port Arthur LNG              
Debt Instrument [Line Items]              
Total facility         $ 6,800    
Term of debt instrument (in years)         7 years    
Senior Secured Notes Issued Jan 2025 | Senior Notes | Port Arthur LNG              
Debt Instrument [Line Items]              
Debt amount       $ 750      
Stated rate of debt (as a percent)       6.27%      
Proceeds from debt issuance       $ 742      
Unamortized debt issuance costs       $ 8      
Senior Secured Notes Issued Apr 2025 | Senior Notes | Port Arthur LNG              
Debt Instrument [Line Items]              
Debt amount   $ 250          
Stated rate of debt (as a percent)   6.32%          
Proceeds from debt issuance   $ 248          
Unamortized debt issuance costs   $ 2