v3.26.3
DEBT AND CREDIT FACILITIES - WEIGHTED-AVERAGE INTEREST RATES AND INTEREST RATE SWAPS (Details)
Sep. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Weighted average interest rate on total short-term debt outstanding 4.51% 4.32%
San Diego Gas and Electric Company    
Debt Instrument [Line Items]    
Weighted average interest rate on total short-term debt outstanding 4.09% 3.96%
Southern California Gas Company    
Debt Instrument [Line Items]    
Weighted average interest rate on total short-term debt outstanding 4.04% 4.17%