v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Southern California Gas Company Retirement 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 $ 3,193,465,000 $ 3,012,991,000
EBP, Nonconsolidated, Plan Interest in Master Trust | TRP    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 1,604,650,000 $ 1,426,615,000
Concentration of investment, as a percentage of total investments 50.25% 47.35%
EBP, Nonconsolidated, Plan Interest in Master Trust | The Vanguard Group, Inc.    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 612,812,000 $ 579,637,000
Concentration of investment, as a percentage of total investments 19.19% 19.24%
EBP, Nonconsolidated, Plan Interest in Master Trust | Sempra common stock    
EBP, Accounting Policy [Line Items]    
Master Trust investments $ 592,932,000 $ 665,310,000
Concentration of investment, as a percentage of total investments 18.57% 22.08%