v3.26.3
SEMPRA - INVESTMENTS IN UNCONSOLIDATED ENTITIES - NARRATIVE (Details) - USD ($)
$ in Millions
9 Months Ended
Oct. 30, 2026
Oct. 28, 2026
Oct. 27, 2026
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]            
Proceeds from distributions received       $ 1,079 $ 828  
SI Partners | Disposal Group Held-for-sale            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, held for sale       2,748   $ 2,566
Cameron LNG JV | SI Partners | Disposal Group Held-for-sale            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, held for sale       $ 1,323   $ 1,242
Sempra Texas Intermediate Holding Company LLC | Oncor Holdings            
Schedule of Equity Method Investments [Line Items]            
Equity ownership interest (as a percent)       100.00%    
Oncor Holdings | Oncor Electric Delivery Company LLC.            
Schedule of Equity Method Investments [Line Items]            
Ownership interest (as a percent)       80.25%    
Sempra Texas Utilities | Sharyland Holdings, LP | Subsequent Event            
Schedule of Equity Method Investments [Line Items]            
Investments made during period $ 6          
Sempra Texas Utilities | Oncor Holdings            
Schedule of Equity Method Investments [Line Items]            
Investments made during period       $ 2,100 1,500  
Proceeds from distributions received       687 459  
Sempra Texas Utilities | Oncor Holdings | Subsequent Event            
Schedule of Equity Method Investments [Line Items]            
Investments made during period   $ 610        
Proceeds from distributions received     $ 229      
Sempra Infrastructure | Cameron LNG JV            
Schedule of Equity Method Investments [Line Items]            
Investments made during period         2  
Proceeds from distributions received       392 369  
Sempra Infrastructure | TAG            
Schedule of Equity Method Investments [Line Items]            
Proceeds from distributions received       $ 60 $ 45