SEMPRA - SEGMENT INFORMATION - Schedule of Segment Information Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 87,181	$ 78,574
Long-lived assets	71,470	63,459
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	62,324	55,035
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	9,145	8,423
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1	1
Operating Segments | Sempra California
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	53,430	48,696
Operating Segments | Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	14,392	13,781
Operating Segments | Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	19,430	15,760
All other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	967	1,376
Intersegment revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ (1,038)	$ (1,039)