SEGMENT INFORMATION - Schedule of Segment Information Income Statement and Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT	$ 8,215	$ 8,397	$ 5,357
Revenues	13,185	16,720	14,439
Interest income	61	89	75
Interest expense	(1,049)	(1,309)	(1,054)
Income tax expense	(219)	(490)	(556)
Equity earnings	1,609	1,481	1,498
Earnings attributable to noncontrolling interests	(638)	(543)	(146)
Earnings attributable to common shares	2,817	3,030	2,094
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	11,623	14,973	13,015
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,562	1,747	1,424
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT	8,212	8,392	5,350
Earnings attributable to common shares	3,538	3,318	2,560
Operating Segments | Sempra California
Revenues from External Customers and Long-Lived Assets [Line Items]
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT	4,753	4,560	4,466
Revenues	11,382	13,761	12,577
Depreciation and amortization	(2,133)	(1,937)	(1,743)
Interest income	14	24	11
Interest expense	(848)	(782)	(647)
Income tax expense	(184)	31	(320)
Equity earnings	0	0	0
Earnings attributable to noncontrolling interests	0	0	0
Other segment items	(6,385)	(9,350)	(8,364)
Earnings attributable to common shares	1,846	1,747	1,514
Operating Segments | Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT	3,459	3,832	884
Revenues	1,882	3,071	1,919
Depreciation and amortization	(297)	(281)	(268)
Interest income	25	43	44
Interest expense	243	(129)	(104)
Income tax expense	164	(673)	(249)
Equity earnings	802	740	756
Earnings attributable to noncontrolling interests	(638)	(543)	(146)
Other segment items	(1,270)	(1,351)	(1,642)
Earnings attributable to common shares	911	877	310
Operating Segments | Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
Equity earnings	788	701	742
Earnings attributable to noncontrolling interests	0	0	0
Other segment items	(7)	(7)	(6)
Earnings attributable to common shares	781	694	736
Parent and other
Revenues from External Customers and Long-Lived Assets [Line Items]
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT	3	5	7
Earnings attributable to common shares	$ (721)	$ (288)	$ (466)