SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - RBS SEMPRA COMMODITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Equity earnings	$ 620	$ 603	$ 633
RBS Sempra Commodities
Schedule of Equity Method Investments [Line Items]
Equity earnings		19	$ 40
Equity in earnings of subsidiaries, net of income taxes		$ 16