v3.26.3
GENERAL INFORMATION AND OTHER FINANCIAL DATA - PRINCIPLES OF CONSOLIDATION (Details)
9 Months Ended
Sep. 30, 2026
segment
Segment Reporting [Line Items]  
Number of reportable segments 3
Number of operating segments 3
San Diego Gas and Electric Company  
Segment Reporting [Line Items]  
Number of reportable segments 1
Number of operating segments 1
Southern California Gas Company  
Segment Reporting [Line Items]  
Number of reportable segments 1
Number of operating segments 1