CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Preferred stock	Common stock	Retained earnings	Accumulated other comprehensive income (loss)	Sempra shareholders' equity	Non- controlling interests	Preferred Class C	Preferred Class C Retained earnings	Preferred Class C Sempra shareholders' equity
Beginning Balance at Dec. 31, 2021	$ 27,419	$ 889	$ 11,862	$ 13,548	$ (318)	$ 25,981	$ 1,438
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,285			2,139		2,139	146
Other comprehensive income (loss)	228				174	174	54
Share-based compensation expense	71		71			71
Dividends [Abstract]
Preferred dividends								$ (44)	$ (44)	$ (44)
Common stock dividends	(1,441)			(1,441)		(1,441)
Preferred dividends of subsidiary	(1)			(1)		(1)
Issuances of common stock	4		4			4
Repurchases of common stock	(478)		(478)			(478)
Noncontrolling Interest Items [Abstract]
Contributions	31						31
Distributions	(237)						(237)
Sales	1,419		701		9	710	709
Ending balance at Dec. 31, 2022	29,256	889	12,160	14,201	(135)	27,115	2,141
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,618			3,075		3,075	543
Other comprehensive income (loss)	3				31	31	(28)
Share-based compensation expense	80		80			80
Dividends [Abstract]
Preferred dividends								(44)	(44)	(44)
Common stock dividends	(1,499)			(1,499)		(1,499)
Preferred dividends of subsidiary	(1)			(1)		(1)
Issuances of common stock	144		144			144
Repurchases of common stock	(32)		(32)			(32)
Noncontrolling Interest Items [Abstract]
Contributions	1,625		(145)			(145)	1,770
Distributions	(730)						(730)
Sales	1,234		(3)		(46)	(49)	1,283
Ending balance at Dec. 31, 2023	33,654	889	12,204	15,732	(150)	28,675	4,979
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,500			2,862		2,862	638
Other comprehensive income (loss)	(5)				(16)	(16)	11
Share-based compensation expense	86		86			86
Dividends [Abstract]
Preferred dividends								$ (44)	$ (44)	$ (44)
Common stock dividends	(1,570)			(1,570)		(1,570)
Preferred dividends of subsidiary	(1)			(1)		(1)
Issuances of common stock	1,273		1,273			1,273
Repurchases of common stock	(43)		(43)			(43)
Noncontrolling Interest Items [Abstract]
Contributions	1,235						1,235
Distributions	(297)						(297)
Ending balance at Dec. 31, 2024	$ 37,788	$ 889	$ 13,520	$ 16,979	$ (166)	$ 31,222	$ 6,566