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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 |

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