v3.26.1
GENERAL INFORMATION AND OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details)
$ in Millions
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jul. 31, 2020
projectOwner
Variable Interest Entities [Line Items]      
Property plant and equipment, net $ 49,189 $ 49,011 [1]  
Finance lease obligations 1,279 1,293  
Equity method investment 18,243 17,472 [1]  
Number of project owners | projectOwner     4
Assets 113,518 110,878 [1]  
SI Partners | Disposal Group Held-for-sale      
Variable Interest Entities [Line Items]      
Equity method investment, held for sale 2,546 2,566  
Oncor Holdings      
Variable Interest Entities [Line Items]      
Equity method investment 18,243 17,472  
Cameron LNG Holdings      
Variable Interest Entities [Line Items]      
Equity method investment 1,249 1,259  
Cameron LNG Holdings | SI Partners | Disposal Group Held-for-sale      
Variable Interest Entities [Line Items]      
Equity method investment, held for sale 1,233 1,242  
Cameron LNG JV | Corporate Joint Venture      
Variable Interest Entities [Line Items]      
Liability cap, amount 979    
SDG&E      
Variable Interest Entities [Line Items]      
Property plant and equipment, net 26,437 26,304 [2]  
Finance lease obligations 1,168 1,176  
Assets 33,543 32,682 [2]  
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 1,226    
TotalEnergies SE | Loan Agreement To Finance Natural Gas Liquefaction Export Facility      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations $ 305    
SI Partners and ConocoPhillips | Port Arthur LNG I      
Variable Interest Entities [Line Items]      
Funding commitment (in percent) 110.00%    
SI Partners and ConocoPhillips | Port Arthur LNG I      
Variable Interest Entities [Line Items]      
Funding commitment, aggregate amount $ 9,000    
SI Partners      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations 29    
Guarantees, carrying value 300    
SI Partners | PA2 JVCo      
Variable Interest Entities [Line Items]      
Funding commitment, construction project $ 7,800    
SI Partners | Port Arthur LNG I      
Variable Interest Entities [Line Items]      
Guaranteed funding amount (in percent) 70.00%    
Blackstone | PA2 JVCo      
Variable Interest Entities [Line Items]      
Funding commitment, construction project $ 7,000    
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure      
Variable Interest Entities [Line Items]      
Maximum exposure under guarantor obligations 979    
Guarantees, carrying value 41    
Variable Interest Entity, Not Primary Beneficiary | SDG&E      
Variable Interest Entities [Line Items]      
Property plant and equipment, net 1,101 1,109  
Finance lease obligations 1,101 1,109  
Variable Interest Entity, Primary Beneficiary | ECA LNG Phase 1, Port Arthur LNG and Port Arthur LNG II      
Variable Interest Entities [Line Items]      
Assets 16,362 15,950  
Liabilities $ 6,728 $ 6,335  
[1] Derived from audited financial statements.
[2] Derived from audited financial statements.