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v3.25.3

Compensation and Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Pension Plans |  |  |  |
Pension and Other Postretirement Benefits |  |  |  |
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 (gain) | 1 | 0 | 2 | 2
Regulatory adjustment | (8) | (5) | (23) | (15)
Total non-service benefit | (17) | (19) | (51) | (57)
Total expense | 6 | 5 | 18 | 15
Postretirement Benefits Other Than Pensions ("PBOP") |  |  |  |
Pension and Other Postretirement Benefits |  |  |  |
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 loss (gain) | (20) | (24) | (60) | (72)
Regulatory adjustment | 34 | 40 | 102 | 120
Total non-service benefit | (3) | (3) | (9) | (9)
Total expense | 0 | 0 | 0 | 0
SCE |  |  |  |
Non-service cost (benefit) |  |  |  |
Total non-service benefit | (21) | (22) | (63) | (66)
SCE | Pension Plans |  |  |  |
Pension and Other Postretirement Benefits |  |  |  |
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 (gain) | 0 | 1 | 0 | 2
Regulatory adjustment | (8) | (5) | (23) | (15)
Total non-service benefit | (18) | (19) | (54) | (57)
Total expense | $ 5 | $ 5 | $ 15 | $ 15

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