v3.25.2
GENERAL INFORMATION AND OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jul. 31, 2020
projectOwner
Variable Interest Entities [Line Items]      
Property plant and equipment, net $ 64,802 $ 61,437 [1]  
Finance lease obligations 1,312 1,315  
Equity method investment 16,402 15,400 [1]  
Assets 99,907 96,155 [1]  
Oncor Holdings | Sempra Texas Utilities      
Variable Interest Entities [Line Items]      
Equity method investment 16,402 15,400  
Cameron LNG Holdings | Sempra Infrastructure      
Variable Interest Entities [Line Items]      
Equity method investment 1,204 1,149  
Cameron LNG JV | Sempra Infrastructure | Corporate Joint Venture      
Variable Interest Entities [Line Items]      
Liability cap, amount 979    
SDG&E      
Variable Interest Entities [Line Items]      
Property plant and equipment, net 25,841 25,111 [1]  
Finance lease obligations 1,188 1,205  
Assets 31,854 30,773 [1]  
Cameron LNG JV      
Variable Interest Entities [Line Items]      
Number of project owners | projectOwner     4
IEnova | Loan Agreement To Finance Natural Gas Liquefaction Export Facility      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations 1,056    
TotalEnergies SE | Loan Agreement To Finance Natural Gas Liquefaction Export Facility      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations 262    
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations 979    
Variable Interest Entity, Not Primary Beneficiary | SDG&E      
Variable Interest Entities [Line Items]      
Property plant and equipment, net 1,124 1,138  
Finance lease obligations 1,124 1,138  
Variable Interest Entity, Primary Beneficiary | ECA LNG JV | Sempra Infrastructure      
Variable Interest Entities [Line Items]      
Assets 1,886 1,758  
Liabilities 1,204 1,080  
Variable Interest Entity, Primary Beneficiary | Port Arthur LNG | Sempra Infrastructure      
Variable Interest Entities [Line Items]      
Assets 7,735 6,419  
Liabilities $ 3,003 $ 1,584  
[1] Derived from audited financial statements.