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GENERAL INFORMATION AND OTHER FINANCIAL DATA - PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Pension |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | $ 33 | $ 32 | $ 67 | $ 64
Interest cost | 44 | 45 | 89 | 90
Expected return on assets | (45) | (44) | (90) | (89)
Amortization of: |  |  |  |
Prior service cost | 1 | 1 | 2 | 2
Actuarial loss (gain) | 3 | 3 | 4 | 6
Settlement charges |  |  | 0 | 4
Special termination benefits | 0 | 0 | 0 | 0
Net periodic benefit cost (credit) | 36 | 37 | 72 | 77
Regulatory adjustments | (16) | 27 | (44) | (1)
Total expense recognized | 20 | 64 | 28 | 76
Pension | SDG&E |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 11 | 10 | 21 | 19
Interest cost | 12 | 12 | 24 | 24
Expected return on assets | (13) | (12) | (26) | (24)
Amortization of: |  |  |  |
Actuarial loss (gain) | 0 | 0 | 1 | 2
Special termination benefits | 0 | 0 | 0 | 0
Net periodic benefit cost (credit) | 10 | 10 | 20 | 21
Regulatory adjustments | 2 | 2 | (8) | (8)
Total expense recognized | 12 | 12 | 12 | 13
Pension | SoCalGas |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 20 | 19 | 39 | 38
Interest cost | 28 | 28 | 56 | 56
Expected return on assets | (28) | (29) | (58) | (59)
Amortization of: |  |  |  |
Prior service cost | 0 | 1 | 1 | 2
Actuarial loss (gain) | 0 | 0 | 0 | 1
Settlement charges |  |  | 0 | 4
Special termination benefits | 0 | 0 | 0 | 0
Net periodic benefit cost (credit) | 20 | 19 | 38 | 42
Regulatory adjustments | (18) | 25 | (36) | 7
Total expense recognized | 2 | 44 | 2 | 49
PBOP |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 4 | 4 | 7 | 7
Interest cost | 11 | 9 | 22 | 19
Expected return on assets | (19) | (17) | (37) | (33)
Amortization of: |  |  |  |
Prior service cost | 0 | 0 | (1) | (1)
Actuarial loss (gain) | (2) | (3) | (5) | (6)
Settlement charges |  |  | 0 | 0
Special termination benefits | 1 | 40 | 19 | 40
Net periodic benefit cost (credit) | (5) | 33 | 5 | 26
Regulatory adjustments | 5 | (30) | (5) | (23)
Total expense recognized | 0 | 3 | 0 | 3
PBOP | SDG&E |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 1 | 1
Interest cost | 2 | 2 | 4 | 4
Expected return on assets | (1) | (2) | (4) | (4)
Amortization of: |  |  |  |
Actuarial loss (gain) | (1) | 0 | (1) | (1)
Special termination benefits | 2 | 17 | 8 | 17
Net periodic benefit cost (credit) | 2 | 17 | 8 | 17
Regulatory adjustments | (2) | (14) | (8) | (14)
Total expense recognized | 0 | 3 | 0 | 3
PBOP | SoCalGas |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 3 | 2 | 5 | 5
Interest cost | 9 | 8 | 17 | 15
Expected return on assets | (16) | (15) | (31) | (29)
Amortization of: |  |  |  |
Prior service cost | 0 | 0 | (1) | (1)
Actuarial loss (gain) | (2) | (2) | (4) | (4)
Settlement charges |  |  | 0 | 0
Special termination benefits | (1) |  |  |
Special termination benefits |  | 23 | 11 | 23
Net periodic benefit cost (credit) | (7) | 16 | (3) | 9
Regulatory adjustments | 7 | (16) | 3 | (9)
Total expense recognized | $ 0 | $ 0 | $ 0 | $ 0

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