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DEBT AND CREDIT FACILITIES - Port Arthur LNG (Details) - USD ($)
1 Months Ended
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]      
Total facility   $ 9,900,000,000  
Gross long-term debt   12,207,000,000 $ 10,654,000,000
Sempra Infrastructure      
Debt Instrument [Line Items]      
Gross long-term debt   3,649,000,000 $ 3,346,000,000
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG      
Debt Instrument [Line Items]      
Debt Instrument, Upfront Funding Amount $ 4,700,000,000    
Payments of Debt Issuance Costs $ 200,000,000    
Line of Credit Facility, Commitment Fee Percentage 30.00%    
Gross long-term debt   $ 258,000,000  
Weighted average rate   5.81%  
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Debt Instrument, Movement In Determined Interest Rates, Minimum Loan Amount Based On Outstanding Term Loans, Percentage 60.00%    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG | Interest Rate, Before Completion of Phase 1 | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Variable percentage rate 2.00%    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Port Arthur LNG | Interest Rate, After Completion of Phase 1 | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Variable percentage rate 2.25%    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | SI Partners and ConocoPhillips      
Debt Instrument [Line Items]      
Noncontrolling interest, equity funding provided $ 2,800,000,000    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | SI Partners | Port Arthur LNG      
Debt Instrument [Line Items]      
Ownership interest (as a percent) 70.00%    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | ConocoPhillips | Port Arthur LNG      
Debt Instrument [Line Items]      
Ownership percentage held by noncontrolling owners 30.00%    
Loan Agreement To Finance The Cost Of Development And Construction Of The PA LNG Phase 1 Project | Domestic Line of Credit | Port Arthur LNG      
Debt Instrument [Line Items]      
Total facility   $ 6,800,000,000