v3.25.2
GENERAL INFORMATION AND OTHER FINANCIAL DATA - PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
SDG&E | 62 Years Or Older        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 5 years      
SDG&E | Age 55 To 61        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 10 years      
SoCalGas | 62 Years Or Older        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 5 years      
SoCalGas | Age 55 To 61        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 10 years      
SoCalGas | Ages 65 Or Older        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 5 years      
SoCalGas | Ages 55 To 64        
Defined Benefit Plan Disclosure [Line Items]        
Years of service required for Health Reimbursement Account 15 years      
PBOP        
Defined Benefit Plan Disclosure [Line Items]        
Health Reimbursement Account $ 100,000      
Service cost 4,000,000 $ 3,000,000 $ 7,000,000 $ 7,000,000
Interest cost 9,000,000 9,000,000 19,000,000 18,000,000
Expected return on assets (17,000,000) (17,000,000) (33,000,000) (34,000,000)
Amortization of:        
Prior service cost 0 0 (1,000,000) (1,000,000)
Actuarial loss (gain) (3,000,000) (4,000,000) (6,000,000) (8,000,000)
Settlement charges 0 0   0
Special termination benefits 40,000,000 0 40,000,000 0
Net periodic benefit cost (credit) 33,000,000 (9,000,000) 26,000,000 (18,000,000)
Regulatory adjustments (30,000,000) 9,000,000 (23,000,000) 18,000,000
Total expense recognized 3,000,000 0 3,000,000 0
PBOP | SDG&E        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 1,000,000 1,000,000 2,000,000
Interest cost 2,000,000 1,000,000 4,000,000 3,000,000
Expected return on assets (2,000,000) (1,000,000) (4,000,000) (4,000,000)
Amortization of:        
Actuarial loss (gain) 0 (1,000,000) (1,000,000) (1,000,000)
Special termination benefits 17,000,000 0 17,000,000 0
Net periodic benefit cost (credit) 17,000,000 0 17,000,000 0
Regulatory adjustments (14,000,000) 0 (14,000,000) 0
Total expense recognized 3,000,000 0 3,000,000 0
PBOP | SoCalGas        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 2,000,000 2,000,000 5,000,000 5,000,000
Interest cost 8,000,000 7,000,000 15,000,000 14,000,000
Expected return on assets (15,000,000) (15,000,000) (29,000,000) (30,000,000)
Amortization of:        
Prior service cost 0 0 (1,000,000) (1,000,000)
Actuarial loss (gain) (2,000,000) (3,000,000) (4,000,000) (6,000,000)
Settlement charges     0 0
Special termination benefits 23,000,000 0 23,000,000 0
Net periodic benefit cost (credit) 16,000,000 (9,000,000) 9,000,000 (18,000,000)
Regulatory adjustments (16,000,000) 9,000,000 (9,000,000) 18,000,000
Total expense recognized 0 0 0 0
Pension        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 32,000,000 33,000,000 64,000,000 65,000,000
Interest cost 45,000,000 41,000,000 90,000,000 83,000,000
Expected return on assets (44,000,000) (46,000,000) (89,000,000) (91,000,000)
Amortization of:        
Prior service cost 1,000,000 2,000,000 2,000,000 3,000,000
Actuarial loss (gain) 3,000,000 3,000,000 6,000,000 6,000,000
Settlement charges 0 9,000,000 4,000,000 9,000,000
Special termination benefits 0 0 0 0
Net periodic benefit cost (credit) 37,000,000 42,000,000 77,000,000 75,000,000
Regulatory adjustments 27,000,000 26,000,000 (1,000,000) 1,000,000
Total expense recognized 64,000,000 68,000,000 76,000,000 76,000,000
Pension | SDG&E        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 10,000,000 9,000,000 19,000,000 19,000,000
Interest cost 12,000,000 11,000,000 24,000,000 22,000,000
Expected return on assets (12,000,000) (11,000,000) (24,000,000) (23,000,000)
Amortization of:        
Actuarial loss (gain) 0 1,000,000 2,000,000 3,000,000
Special termination benefits 0 0 0 0
Net periodic benefit cost (credit) 10,000,000 10,000,000 21,000,000 21,000,000
Regulatory adjustments 2,000,000 3,000,000 (8,000,000) (7,000,000)
Total expense recognized 12,000,000 13,000,000 13,000,000 14,000,000
Pension | SoCalGas        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 19,000,000 19,000,000 38,000,000 38,000,000
Interest cost 28,000,000 26,000,000 56,000,000 52,000,000
Expected return on assets (29,000,000) (31,000,000) (59,000,000) (61,000,000)
Amortization of:        
Prior service cost 1,000,000 1,000,000 2,000,000 2,000,000
Actuarial loss (gain) 0 0 1,000,000 0
Settlement charges     4,000,000 0
Special termination benefits 0 0 0 0
Net periodic benefit cost (credit) 19,000,000 15,000,000 42,000,000 31,000,000
Regulatory adjustments 25,000,000 23,000,000 7,000,000 8,000,000
Total expense recognized $ 44,000,000 $ 38,000,000 $ 49,000,000 $ 39,000,000