SEGMENT INFORMATION - Schedule of Segment Information Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	$ 99,010	$ 96,155	[1]
EQUITY METHOD INVESTMENTS	18,371	17,933
Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
EQUITY METHOD INVESTMENTS	15,995	15,522
Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
EQUITY METHOD INVESTMENTS	2,376	2,411
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	97,962	94,604
Operating Segments | Sempra California
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	57,830	56,116
Operating Segments | Sempra Texas Utilities
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	16,008	15,534
Operating Segments | Sempra Infrastructure
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	24,124	22,954
Earnings attributable to common shares
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	2,099	2,622
Intersegment revenues and eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
ASSETS	$ (1,051)	$ (1,071)

[1] Derived from audited financial statements.