SEMPRA - EQUITY AND EARNINGS PER COMMON SHARE - PREFERRED STOCK NARRATIVE (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	Aug. 06, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)		50,000,000		50,000,000		50,000,000
SoCalGas
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)		11,000,000		11,000,000		11,000,000
Dividends declared per share of preferred stock (in dollars per share)		$ 0.37	$ 0.37	$ 0.75	$ 0.75
Preferred dividends		$ 1	$ 1	$ 1	$ 1
SoCalGas \| Subsequent Event \| Scenario, Plan
Preferred Stock [Line Items]
Dividends declared per share of preferred stock (in dollars per share)	$ 31.00
Preferred dividends	$ 27

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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