SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARIZED FINANCIAL INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Interest expense	$ (1,049)	$ (1,309)	$ (1,054)
Income tax expense	(219)	(490)	(556)
Net income	3,500	3,618	2,285
Earnings attributable to noncontrolling interests	(638)	(543)	(146)
Earnings attributable to common shares	2,817	3,030	2,094
Total current assets	5,285	5,470
Current liabilities	9,676	10,090
Oncor Holdings | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Operating revenues	6,082	5,586	5,243
Operating expenses	(4,318)	(4,026)	(3,682)
Operating income (loss)	1,764	1,560	1,561
Interest expense	(653)	(536)	(445)
Income tax expense	(217)	(192)	(203)
Net income	957	849	893
Earnings attributable to noncontrolling interests	(192)	(170)	(179)
Earnings attributable to common shares	765	679	$ 714
Total current assets	1,638	1,431
Noncurrent assets	38,697	34,649
Current liabilities	2,183	1,625
Noncurrent liabilities	21,958	19,727
NCI held by TTI	$ 3,689	$ 3,338