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Other Income (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Other Income And Expense [Line Items] |  |
Total other income and (expenses) | $ 68 | $ 72
SCE |  |
Other Income And Expense [Line Items] |  |
Equity allowance for funds used during construction | 30 | 35
Increase in cash surrender value of life insurance policies and life insurance benefits | 16 | 10
Interest income | 3 |
Net periodic benefit income - non-service components | 34 | 33
Civic, political and related activities and donations | (9) | (4)
Other income and (expenses) | (3) | (2)
Total other income and (expenses) | 71 | $ 72
Edison International Parent and Other |  |
Other Income And Expense [Line Items] |  |
Net loss on equity securities | (2) |
Other income and (expenses) | $ (1) |

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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 unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117546-209714 + Details
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + 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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