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COMMITMENTS, CONTINGENCIES AND GUARANTEES - CONTRACTUAL COMMITMENTS & ENVIRONMENTAL ISSUES (Details) - Sempra Infrastructure $ in Millions | 9 Months Ended
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Sep. 30, 2025 USD ($)
Natural Gas Contracts |
Loss Contingencies [Line Items] |
Transportation agreement, term | 20 years
Yearly unrecorded unconditional purchase obligation | $ 180
Liquefied Natural Gas Contracts |
Loss Contingencies [Line Items] |
Decrease in in unrecorded unconditional purchase obligation, remainder of fiscal year | 321
Decrease in unrecorded unconditional purchase obligation, year one | 74
Decrease in unrecorded unconditional purchase obligation, year two | 53
Decrease in unrecorded unconditional purchase obligation, year three | 64
Decrease in unrecorded unconditional purchase obligation, year four | $ 38

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