v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Sempra Savings Plan 002 - 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 $ 558,441,000 $ 496,399,000
EBP, Nonconsolidated, Plan Interest in Master Trust | TRP    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 278,518,000 $ 243,167,000
Concentration of investment, as a percentage of total investments 49.87% 48.99%
EBP, Nonconsolidated, Plan Interest in Master Trust | The Vanguard Group, Inc.    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 143,818,000 $ 125,840,000
Concentration of investment, as a percentage of total investments 25.75% 25.35%
EBP, Nonconsolidated, Plan Interest in Master Trust | Sempra common stock    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 66,688,000 $ 69,601,000
Concentration of investment, as a percentage of total investments 11.94% 14.02%