v3.26.3
DEBT AND CREDIT FACILITIES - Other Sempra (Details) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Jun. 30, 2026
Apr. 30, 2026
Mar. 31, 2026
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Line of Credit Facility [Line Items]            
Issuances of debt (maturities greater than 90 days)       $ 11,178 $ 8,892  
Total facility       $ 10,000    
5.25% Note Due March 2036 | Unsecured Debt            
Line of Credit Facility [Line Items]            
Debt amount     $ 800      
Debt instrument, interest rate     5.25%      
Issuances of debt (maturities greater than 90 days)     $ 791      
Unamortized debt issuance costs     $ 9      
Senior Unsecured Floating Rate Notes | Unsecured Debt            
Line of Credit Facility [Line Items]            
Debt amount $ 1,000          
Issuances of debt (maturities greater than 90 days) 997          
Unamortized debt issuance costs $ 3          
Variable percentage rate (in percent) 0.67%          
Effective interest rate       4.34%    
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | ECA LNG Phase 1            
Line of Credit Facility [Line Items]            
Effective interest rate       2.29%    
Total facility       $ 1,500    
Debt instrument, basis spread on variable rate, minimum       0.10%    
Debt outstanding       $ 1,400   $ 1,300
Weighted average interest rate (as a percent)       6.46%   6.06%
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | IEnova            
Line of Credit Facility [Line Items]            
Maximum exposure under guarantor obligations       $ 1,226    
Loan Agreement To Finance Natural Gas Liquefaction Export Facility | TotalEnergies SE            
Line of Credit Facility [Line Items]            
Maximum exposure under guarantor obligations       305    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG            
Line of Credit Facility [Line Items]            
Debt outstanding       $ 2,900   $ 3,200
Weighted average interest rate (as a percent)       5.56%   5.47%
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG | Domestic Line of Credit            
Line of Credit Facility [Line Items]            
Total facility       $ 6,800    
Term of debt instrument (in years)       7 years    
Borrowings repaid       $ 3,000    
6.43% Senior Secured Notes Due June 2048 | Port Arthur LNG | Secured Debt            
Line of Credit Facility [Line Items]            
Debt amount   $ 2,000        
Debt instrument, interest rate   6.43%        
Issuances of debt (maturities greater than 90 days)   $ 1,980        
Unamortized debt issuance costs   $ 18