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Commitments, Guarantees and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] |
Consolidated Summary Financial Information | The following tables set forth certain consolidating summary financial information for SLF Inc. and Sun Life Assurance (consolidated):
Results for the years ended | SLF Inc.(unconsolidated) | Sun Life Assurance (consolidated) | Other subsidiaries of SLF Inc. (combined) | Consolidation adjustments | SLF Inc. (consolidated)
December 31, 2020 |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 266 |  |  | $ | 35,801 |  |  | $ | 9,430 |  |  | $ | (2,160) |  |  | $ | 43,337 |
Shareholders’ net income (loss) |  | $ | 2,498 |  |  | $ | 1,349 |  |  | $ | 1,030 |  |  | $ | (2,379) |  |  | $ | 2,498 |
December 31, 2019 |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 213 |  |  | $ | 33,693 |  |  | $ | 7,516 |  |  | $ | (1,743) |  |  | $ | 39,679 |
Shareholders’ net income (loss) |  | $ | 2,713 |  |  | $ | 1,750 |  |  | $ | 881 |  |  | $ | (2,631) |  |  | $ | 2,713 |
Assets and liabilities as at | SLF Inc.(unconsolidated) | Sun Life Assurance (consolidated) | Other subsidiaries of SLF Inc. (combined) | Consolidation adjustments | SLF Inc. (consolidated)
December 31, 2020 |  |  |  |  |  |  |  |  |  |
Invested assets |  | $ | 26,019 |  |  | $ | 172,439 |  |  | $ | 9,974 |  |  | $ | (30,520) |  |  | $ | 177,912 |
Total other general fund assets |  | $ | 7,800 |  |  | $ | 24,327 |  |  | $ | 20,691 |  |  | $ | (33,640) |  |  | $ | 19,178 |
Investments for account of segregated fund holders |  | $ | — |  |  | $ | 125,859 |  |  | $ | 62 |  |  | $ | — |  |  | $ | 125,921 |
Insurance contract liabilities |  | $ | — |  |  | $ | 145,949 |  |  | $ | 10,637 |  |  | $ | (10,813) |  |  | $ | 145,773 |
Investment contract liabilities |  | $ | — |  |  | $ | 3,189 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,189 |
Total other general fund liabilities |  | $ | 9,350 |  |  | $ | 25,920 |  |  | $ | 13,741 |  |  | $ | (26,745) |  |  | $ | 22,266 |
December 31, 2019 |  |  |  |  |  |  |  |  |  |
Invested assets |  | $ | 23,639 |  |  | $ | 152,512 |  |  | $ | 8,552 |  |  | $ | (23,084) |  |  | $ | 161,619 |
Total other general fund assets |  | $ | 4,135 |  |  | $ | 24,000 |  |  | $ | 11,955 |  |  | $ | (21,480) |  |  | $ | 18,610 |
Investments for account of segregated fund holders |  | $ | — |  |  | $ | 116,918 |  |  | $ | 55 |  |  | $ | — |  |  | $ | 116,973 |
Insurance contract liabilities |  | $ | — |  |  | $ | 131,428 |  |  | $ | 9,644 |  |  | $ | (9,888) |  |  | $ | 131,184 |
Investment contract liabilities |  | $ | — |  |  | $ | 3,116 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,116 |
Total other general fund liabilities |  | $ | 4,376 |  |  | $ | 23,780 |  |  | $ | 8,053 |  |  | $ | (14,788) |  |  | $ | 21,421 |

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- Definition Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] + References No definition available. + Details
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