SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - RBS SEMPRA COMMODITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity earnings	$ 603	$ 633	$ 666
Equity earnings	1,609	1,481	$ 1,498
RBS Sempra Commodities
Schedule of Equity Method Investments [Line Items]
Equity earnings	19	$ 40
Equity in earnings of subsidiaries, net of income taxes	$ 16