v3.26.1
GENERAL INFORMATION AND OTHER FINANCIAL DATA - PENSION AND PBOP NARRATIVE (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
Health Reimbursement Account $ 100
Partial termination, percentage reduction in active participants 20.00%
62 Years Or Older | SDG&E  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 5 years
62 Years Or Older | SoCalGas  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 5 years
Age 55 To 61 | SDG&E  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 10 years
Age 55 To 61 | SoCalGas  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 10 years
Ages 65 Or Older | SoCalGas  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 5 years
Ages 55 To 64 | SoCalGas  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for Health Reimbursement Account 15 years