v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - San Diego Gas & Electric Company Savings Plan 001 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Accounting Policy [Line Items]    
Note receivable from participant, default period 90 days  
Administrative expense paid by employer, term 23 months  
EBP, Nonconsolidated, Plan Interest in Master Trust    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 2,199,939,000 $ 2,097,965,000
EBP, Nonconsolidated, Plan Interest in Master Trust | TRP    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 1,070,492,000 $ 948,284,000
Concentration of investment, as a percentage of total investments 48.66% 45.20%
EBP, Nonconsolidated, Plan Interest in Master Trust | The Vanguard Group, Inc.    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 475,396,000 $ 453,939,000
Concentration of investment, as a percentage of total investments 21.61% 21.64%
EBP, Nonconsolidated, Plan Interest in Master Trust | Sempra common stock    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 374,781,000 $ 430,893,000
Concentration of investment, as a percentage of total investments 17.04% 20.54%