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Other Income and Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
SCE other income and expenses: |  |  |  |
Net periodic benefit income – non-service components |  | $ (1) |  | $ 7
Total other income and expense | $ 49 | 24 | $ 100 | 57
Other income and expenses of Edison International Parent and Other: |  |  |  |
Net periodic benefit income – non-service components |  | (1) |  | 7
Total other income and expense | 49 | 24 | 100 | 57
Edison International Parent and Other |  |  |  |
SCE other income and expenses: |  |  |  |
Net periodic benefit income – non-service components | (1) | (10) | (1) | (11)
Other | 0 | 1 | 0 | 0
Other income and expenses of Edison International Parent and Other: |  |  |  |
Net periodic benefit income – non-service components | (1) | (10) | (1) | (11)
Other | 0 | 1 | 0 | 0
Southern California Edison |  |  |  |
SCE other income and expenses: |  |  |  |
Equity allowance for funds used during construction | 22 | 23 | 44 | 41
Increase in cash surrender value of life insurance policies | 6 | 10 | 14 | 22
Interest income | 5 | 1 | 9 | 3
Net periodic benefit income – non-service components | 27 | 9 | 53 | 18
Civic, political and related activities and donations | (12) | (7) | (16) | (10)
Other |  | (3) | (3) | (6)
Other | 2 |  |  |
Total other income and expense | 50 | 33 | 101 | 68
Other income and expenses of Edison International Parent and Other: |  |  |  |
Net periodic benefit income – non-service components | 27 | 9 | 53 | 18
Other | 2 |  |  |
Total other income and expense | $ 50 | $ 33 | $ 101 | $ 68

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- Definition This element represents the net change during the reporting period in cash surrender value of life insurance policies. + References No definition available. + Details
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- Definition Amount of defined benefit plan cost (credit), classified as other. + References No definition available. + Details
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- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 + Details
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