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v3.23.3

Compensation and Benefit Plans | 9 Months Ended
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Sep. 30, 2023
Compensation and Benefit Plans |
Compensation and Benefit Plans | Note 9.Compensation and Benefit Plans Pension Plans Net periodic pension expense components are: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Nine months ended
​ | ​ | September 30, | ​ | September 30,
(in millions) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Edison International: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost | ​ | $ | 25 | ​ | $ | 30 | ​ | $ | 75 | ​ | $ | 90
Non-service cost (benefit) | ​ |  | ​ | ​ |  | ​ | ​ |  |  | ​ |  |
Interest cost | ​ |  | 45 | ​ |  | 27 | ​ |  | 135 | ​ |  | 81
Expected return on plan assets | ​ |  | (54) | ​ |  | (57) | ​ |  | (162) | ​ |  | (171)
Settlement costs | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 3
Amortization of net loss1 | ​ |  | — | ​ |  | 1 | ​ |  | 2 | ​ |  | 3
Regulatory adjustment | ​ |  | (12) | ​ |  | 2 | ​ |  | (36) | ​ |  | 6
Total non-service benefit2 | ​ | $ | (21) | ​ | $ | (27) | ​ | $ | (61) | ​ | $ | (78)
Total expense | ​ | $ | 4 | ​ | $ | 3 | ​ | $ | 14 | ​ | $ | 12
SCE: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost | ​ | $ | 24 | ​ | $ | 29 | ​ | $ | 72 | ​ | $ | 87
Non-service cost (benefit) | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Interest cost | ​ |  | 42 | ​ |  | 25 | ​ |  | 126 | ​ |  | 75
Expected return on plan assets | ​ |  | (51) | ​ |  | (54) | ​ |  | (153) | ​ |  | (162)
Settlement costs | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 3
Amortization of net loss1 | ​ |  | — | ​ |  | 1 | ​ |  | — | ​ |  | 3
Regulatory adjustment | ​ |  | (12) | ​ |  | 2 | ​ |  | (36) | ​ |  | 6
Total non-service benefit2 | ​ | $ | (21) | ​ | $ | (26) | ​ | $ | (63) | ​ | $ | (75)
Total expense | ​ | $ | 3 | ​ | $ | 3 | ​ | $ | 9 | ​ | $ | 12
1 | Represents the amount of net loss reclassified from other comprehensive loss.
2 | Included in "Other Income" on Edison International's and SCE’s consolidated statements of income.
Postretirement Benefits Other Than Pensions ("PBOP") Net periodic PBOP expense components for Edison International and SCE are:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Nine months ended
​ | ​ | September 30, | ​ | September 30,
(in millions) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | ​ | $ | 5 | ​ | $ | 8 | ​ | $ | 15 | ​ | $ | 24
Non-service cost (benefit) | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Interest cost | ​ |  | 18 | ​ |  | 14 | ​ |  | 54 | ​ |  | 42
Expected return on plan assets | ​ |  | (27) | ​ |  | (24) | ​ |  | (81) | ​ |  | (72)
Amortization of net gain | ​ |  | (12) | ​ |  | (12) | ​ |  | (36) | ​ |  | (36)
Regulatory adjustment | ​ |  | 16 | ​ |  | 14 | ​ |  | 48 | ​ |  | 42
Total non-service benefit1 | ​ | $ | (5) | ​ | $ | (8) | ​ | $ | (15) | ​ | $ | (24)
Total expense | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
1 | Included in "Other income" on Edison International's and SCE's consolidated statements of income.

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