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GENERAL INFORMATION AND OTHER FINANCIAL DATA - PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Partial termination, percentage reduction in active participants |  |  |  | 20.00% |
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 |  |  |
Pension |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost | $ 32,000,000 |  | $ 34,000,000 | $ 96,000,000 | $ 99,000,000
Interest cost | 42,000,000 |  | 41,000,000 | 132,000,000 | 124,000,000
Expected return on assets | (41,000,000) |  | (40,000,000) | (130,000,000) | (131,000,000)
Amortization of: |  |  |  |  |
Prior service cost (credit) | 1,000,000 |  | 1,000,000 | 3,000,000 | 4,000,000
Actuarial loss (gain) | 3,000,000 |  | 4,000,000 | 9,000,000 | 10,000,000
Settlement charges | 12,000,000 |  | 0 | 16,000,000 | 9,000,000
Special termination benefits |  |  |  | 0 | 0
Net periodic benefit cost (credit) | 49,000,000 |  | 40,000,000 | 126,000,000 | 115,000,000
Regulatory adjustments | 26,000,000 |  | 20,000,000 | 25,000,000 | 21,000,000
Total expense (income) recognized | 75,000,000 |  | 60,000,000 | 151,000,000 | 136,000,000
Pension | SDG&E |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 10,000,000 |  | 10,000,000 | 29,000,000 | 29,000,000
Interest cost | 11,000,000 |  | 10,000,000 | 35,000,000 | 32,000,000
Expected return on assets | (11,000,000) |  | (10,000,000) | (35,000,000) | (33,000,000)
Amortization of: |  |  |  |  |
Actuarial loss (gain) | 1,000,000 |  | 3,000,000 | 3,000,000 | 6,000,000
Special termination benefits |  |  |  | 0 | 0
Net periodic benefit cost (credit) | 11,000,000 |  | 13,000,000 | 32,000,000 | 34,000,000
Regulatory adjustments | 2,000,000 |  | 0 | (6,000,000) | (7,000,000)
Total expense (income) recognized | 13,000,000 |  | 13,000,000 | 26,000,000 | 27,000,000
Pension | SoCalGas |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 19,000,000 |  | 21,000,000 | 57,000,000 | 59,000,000
Interest cost | 28,000,000 |  | 26,000,000 | 84,000,000 | 78,000,000
Expected return on assets | (30,000,000) |  | (29,000,000) | (89,000,000) | (90,000,000)
Amortization of: |  |  |  |  |
Prior service cost (credit) | 1,000,000 |  | 1,000,000 | 3,000,000 | 3,000,000
Actuarial loss (gain) | 1,000,000 |  | 1,000,000 | 2,000,000 | 1,000,000
Settlement charges | 6,000,000 |  | 0 | 10,000,000 | 0
Special termination benefits |  |  |  | 0 | 0
Net periodic benefit cost (credit) | 25,000,000 |  | 20,000,000 | 67,000,000 | 51,000,000
Regulatory adjustments | 24,000,000 |  | 20,000,000 | 31,000,000 | 28,000,000
Total expense (income) recognized | 49,000,000 |  | 40,000,000 | 98,000,000 | 79,000,000
PBOP |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Health Reimbursement Account |  | $ 100,000 |  |  |
Service cost | 3,000,000 |  | 4,000,000 | 10,000,000 | 11,000,000
Interest cost | 10,000,000 |  | 9,000,000 | 29,000,000 | 27,000,000
Expected return on assets | (17,000,000) |  | (19,000,000) | (50,000,000) | (53,000,000)
Amortization of: |  |  |  |  |
Prior service cost (credit) | (1,000,000) |  | (1,000,000) | (2,000,000) | (2,000,000)
Actuarial loss (gain) | (3,000,000) |  | (4,000,000) | (9,000,000) | (12,000,000)
Settlement charges | 0 |  | 0 | 0 | 0
Special termination benefits |  |  |  | 40,000,000 | 0
Net periodic benefit cost (credit) | (8,000,000) |  | (11,000,000) | 18,000,000 | (29,000,000)
Regulatory adjustments | 8,000,000 |  | 10,000,000 | (15,000,000) | 28,000,000
Total expense (income) recognized | 0 |  | (1,000,000) | 3,000,000 | (1,000,000)
PBOP | SDG&E |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 0 |  | 0 | 1,000,000 | 2,000,000
Interest cost | 2,000,000 |  | 3,000,000 | 6,000,000 | 6,000,000
Expected return on assets | (2,000,000) |  | (3,000,000) | (6,000,000) | (7,000,000)
Amortization of: |  |  |  |  |
Actuarial loss (gain) | 0 |  | 0 | (1,000,000) | (1,000,000)
Special termination benefits |  |  |  | 17,000,000 | 0
Net periodic benefit cost (credit) | 0 |  | 0 | 17,000,000 | 0
Regulatory adjustments | 0 |  | 0 | (14,000,000) | 0
Total expense (income) recognized | 0 |  | 0 | 3,000,000 | 0
PBOP | SoCalGas |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 2,000,000 |  | 3,000,000 | 7,000,000 | 8,000,000
Interest cost | 7,000,000 |  | 7,000,000 | 22,000,000 | 21,000,000
Expected return on assets | (13,000,000) |  | (15,000,000) | (42,000,000) | (45,000,000)
Amortization of: |  |  |  |  |
Prior service cost (credit) | (1,000,000) |  | (1,000,000) | (2,000,000) | (2,000,000)
Actuarial loss (gain) | (3,000,000) |  | (4,000,000) | (7,000,000) | (10,000,000)
Settlement charges | 0 |  | 0 | 0 | 0
Special termination benefits |  |  |  | 23,000,000 | 0
Net periodic benefit cost (credit) | (8,000,000) |  | (10,000,000) | 1,000,000 | (28,000,000)
Regulatory adjustments | 8,000,000 |  | 10,000,000 | (1,000,000) | 28,000,000
Total expense (income) recognized | $ 0 |  | $ 0 | $ 0 | $ 0

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