SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SEMPRA PROMISSORY NOTE FOR SDSRA DISTRIBUTION (Details) - Cameron LNG - Promissory Note for SDSRA Distribution - Corporate Joint Venture - Sempra Infrastructure - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2021	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Cash dividends received	$ 165
Deferred Credits and Other
Schedule of Equity Method Investments [Line Items]
Guaranty liability	$ 22	$ 19