SEGMENT INFORMATION - Schedule of Segment Information Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 96,155	$ 87,181
Equity method investments	17,933	16,509
Long-lived assets	61,437	54,960
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	52,952	46,935
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	8,485	8,024
Rest of the world
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	0	1
Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
Equity method investments	15,522	14,380
Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
Equity method investments	2,411	2,129
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	94,604	87,252
Operating Segments | Sempra California
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	56,116	53,430
Operating Segments | Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	15,534	14,392
Operating Segments | Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	22,954	19,430
Parent and other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	2,622	967
Intersegment revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ (1,071)	$ (1,038)