SEMPRA - INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARIZED FINANCIAL INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Schedule of Equity Method Investments [Line Items]
Interest expense	$ (359)	$ (311)	$ (792)	$ (616)
Net income, income tax (expense) benefit	(172)	130	(229)	(42)
Net income	519	871	1,438	1,752
NCI held by Texas Transmission Investment LLC	(46)	(146)	(48)	(215)
Earnings attributable to common shares	461	713	1,367	1,514
Equity Method Investment, Nonconsolidated Investee or Group of Investees \| Oncor Holdings
Schedule of Equity Method Investments [Line Items]
Operating revenues	1,654	1,492	3,202	2,950
Operating expenses	(1,167)	(1,043)	(2,324)	(2,094)
Income from operations	487	449	878	856
Interest expense	(192)	(161)	(377)	(311)
Net income, income tax (expense) benefit	(57)	(55)	(97)	(104)
Net income	257	248	436	471
NCI held by Texas Transmission Investment LLC	(51)	(50)	(87)	(94)
Earnings attributable to common shares	$ 206	$ 198	$ 349	$ 377

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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