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Compensation and Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2025
Pension Plans |
Pension and Other Postretirement Benefits |
Schedule of Pension Plans and Postretirement Benefits Other Than Pensions | Pension Plans Net periodic pension expense components are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Edison International: |  |  |  |  |  |  |
Service cost | $ | 23 |  |  | $ | 24 |  |  | $ | 69 |  |  | $ | 72 |
Non-service cost (benefit) |  |  |  |  |  |  |
Interest cost | 48 |  |  | 44 |  |  | 144 |  |  | 132 |
Expected return on plan assets | (58) |  |  | (58) |  |  | (174) |  |  | (176) |
Amortization of net loss 1 | 1 |  |  | — |  |  | 2 |  |  | 2 |
Regulatory adjustment | (8) |  |  | (5) |  |  | (23) |  |  | (15) |
Total non-service benefit 2 | (17) |  |  | (19) |  |  | (51) |  |  | (57) |
Total expense | $ | 6 |  |  | $ | 5 |  |  | $ | 18 |  |  | $ | 15 |
SCE: |  |  |  |  |  |  |
Service cost | $ | 23 |  |  | $ | 24 |  |  | $ | 69 |  |  | $ | 72 |
Non-service cost (benefit) |  |  |  |  |  |  |
Interest cost | 45 |  |  | 41 |  |  | 134 |  |  | 122 |
Expected return on plan assets | (55) |  |  | (56) |  |  | (165) |  |  | (166) |
Amortization of net loss 1 | — |  |  | 1 |  |  | — |  |  | 2 |
Regulatory adjustment | (8) |  |  | (5) |  |  | (23) |  |  | (15) |
Total non-service benefit 2 | (18) |  |  | (19) |  |  | (54) |  |  | (57) |
Total expense | $ | 5 |  |  | $ | 5 |  |  | $ | 15 |  |  | $ | 15 |
1 Represents the amount of net loss reclassified from other comprehensive loss. 2 Included in "Other Income, net" on Edison International's and SCE's condensed consolidated statements of income.
Postretirement Benefits Other Than Pensions ("PBOP") |
Pension and Other Postretirement Benefits |
Schedule of Pension Plans and Postretirement Benefits Other Than Pensions | Postretirement Benefits Other Than Pensions ("PBOP") Net periodic PBOP expense components for Edison International and SCE are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Service cost | $ | 3 |  |  | $ | 3 |  |  | $ | 9 |  |  | $ | 9 |
Non-service cost (benefit) |  |  |  |  |  |  |
Interest cost | 10 |  |  | 9 |  |  | 30 |  |  | 27 |
Expected return on plan assets | (27) |  |  | (28) |  |  | (81) |  |  | (84) |
Amortization of net gain | (20) |  |  | (24) |  |  | (60) |  |  | (72) |
Regulatory adjustment | 34 |  |  | 40 |  |  | 102 |  |  | 120 |
Total non-service benefit 1 | (3) |  |  | (3) |  |  | (9) |  |  | (9) |
Total expense | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
1 Included in "Other income, net" on Edison International's and SCE's condensed consolidated statements of income.

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