SEMPRA - EQUITY AND EARNINGS PER COMMON SHARE - NONCONTROLLING INTERESTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Earnings Per Share [Abstract]
Net income attributable to Sempra	$ 797	$ 473	$ 1,834	$ 1,390
Decrease in shareholders' equity from allocation of interest	(20)		(14)
Net transfers (to) from CRNCI and NCI	(20)		(14)
Change from net income attributable to Sempra and transfers (to) from CRNCI and NCI	$ 777		$ 1,820

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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