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Other Income | 12 Months Ended
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Dec. 31, 2021
Other Income [Abstract] |
Other Income | Note 16.Other Income Other income net of expenses is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Years ended December 31,
(in millions) | 2021 |  | 2020 |  | 2019
SCE other income (expense): | ​ |  |  | ​ |  |  | ​ |
Equity allowance for funds used during construction | $ | 118 | ​ | $ | 121 | ​ | $ | 101
Increase in cash surrender value of life insurance policies and life insurance benefits |  | 40 | ​ |  | 66 | ​ |  | 39
Interest income |  | 3 | ​ |  | 20 | ​ |  | 37
Net periodic benefit income – non-service components |  | 123 | ​ |  | 102 | ​ |  | 70
Civic, political and related activities and donations |  | (39) | ​ |  | (42) | ​ |  | (46)
Other |  | (12) | ​ |  | (12) | ​ |  | (6)
Total SCE other income |  | 233 | ​ |  | 255 | ​ |  | 195
Other income (expense) of Edison International Parent and Other: |  |  | ​ |  |  | ​ |  |
Net periodic benefit costs – non-service components |  | (2) | ​ |  | (2) | ​ |  | (3)
Unrealized gains on equity securities | ​ | 4 | ​ | ​ | — | ​ | ​ | —
Other |  | 2 | ​ |  | (2) | ​ |  | 1
Total Edison International other income | $ | 237 | ​ | $ | 251 | ​ | $ | 193
​

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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