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Other Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
SCE other income (expense): |  |  |  |
Total SCE other income | $ 84 | $ 58 | $ 217 | $ 151
Other income (expense) of Edison International Parent and Other: |  |  |  |
Other | 84 | 58 | 217 | 151
Total Edison International other income | 84 | 58 | 217 | 151
Edison International Parent and Other |  |  |  |
SCE other income (expense): |  |  |  |
Net periodic benefit costs – non-service components | 0 | 0 | (1) | (2)
Other income (expense) of Edison International Parent and Other: |  |  |  |
Net periodic benefit costs – non-service components | 0 | 0 | (1) | (2)
Other | 1 | 0 | 1 | 1
Southern California Edison |  |  |  |
SCE other income (expense): |  |  |  |
Equity allowance for funds used during construction | 36 | 26 | 87 | 75
Increase in cash surrender value of life insurance policies | 27 | 9 | 60 | 27
Interest income | 2 | 13 | 18 | 29
Net periodic benefit costs – non-service components | 28 | 19 | 83 | 54
Civic, political and related activities and donations | (7) | (5) | (22) | (26)
Other | (3) | (4) | (9) | (7)
Total SCE other income | 83 | 58 | 217 | 152
Other income (expense) of Edison International Parent and Other: |  |  |  |
Net periodic benefit costs – non-service components | 28 | 19 | 83 | 54
Other | 83 | 58 | 217 | 152
Total Edison International other income | $ 83 | $ 58 | $ 217 | $ 152

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