v3.26.3
GENERAL INFORMATION AND OTHER FINANCIAL DATA - PENSION AND PBOP NARRATIVE (Details)
$ in Thousands
 9 Months Ended
Sep. 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 | San Diego Gas and Electric Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account non-represented employees 5 years
Years of service required for health reimbursement account represented employees 5 years
62 Years Or Older | Southern California Gas Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account non-represented employees 5 years
Age 55 To 61 | San Diego Gas and Electric Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account non-represented employees 10 years
Years of service required for health reimbursement account represented employees 10 years
Age 55 To 61 | Southern California Gas Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account non-represented employees 10 years
Ages 65 Or Older | Southern California Gas Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account represented employees 5 years
Ages 55 To 64 | Southern California Gas Company  
Defined Benefit Plan Disclosure [Line Items]  
Years of service required for health reimbursement account represented employees 15 years