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GENERAL INFORMATION AND OTHER FINANCIAL DATA - PROPERTY, PLANT AND EQUIPMENT (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2023 USD ($) segment
Property, Plant and Equipment [Line Items] |
Number of reportable segments | 4
Sempra Infrastructure |
Property, Plant and Equipment [Line Items] |
Number of reportable segments | 2
Sempra Infrastructure | Guaymas-El Oro segment of the Sonora Pipeline |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment | $ | $ 411

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