v3.26.1
SEGMENT INFORMATION - Schedule of Segment Information Balance Sheet (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2021
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS $ 115,281 $ 110,878 [1]  
EQUITY METHOD INVESTMENTS 19,151 17,618  
Disposal Group Held-for-sale | SI Partners      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Equity method investment, held for sale 2,649 2,566  
Sempra Texas Utilities      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
EQUITY METHOD INVESTMENTS 19,135 17,601  
Sempra Infrastructure      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
EQUITY METHOD INVESTMENTS 16 17  
Sempra Infrastructure | Cameron LNG JV | Balance Sheet Location [Axis]: us-gaap:DeferredCreditsAndOtherLiabilities | Promissory Note for SDSRA Distribution | Corporate Joint Venture      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Guarantees, carrying value 16 17 $ 22
Operating Segments      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS 115,239 110,893  
Operating Segments | Sempra California      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS 60,978 60,364  
Operating Segments | Sempra Texas Utilities      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS 19,317 17,733  
Operating Segments | Sempra Infrastructure      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS 34,944 32,796  
Parent and other      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS 1,207 1,084  
Intersegment eliminations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
ASSETS $ (1,165) $ (1,099)  
[1] Derived from audited financial statements.